Absolutely brilliant video. I've been in the Fenestration industry for over 30 years and never knew how these were installed. Thanks to your brilliant video and commentary, I now do. Thanks for helping out an old dog, learning new tricks every day.
Hi Charlie and greetings from VELUX (Documentation department)... thank you for the kind words. It was great to see how well you were able to install the product. I hope you are still enjoying your VELUX window :) Kindly Torben
You’ve just sold that product to me Charlie. Excellent info. I think I can do it as you’ve explained it so well. Velux should be paying you commission man.
Nice job... I live in Nashville TN area and installed two Velux in my home 34 years ago. Had to replace both about 8 years ago due to the seals breaking and window fogging. Easy replacement because the same sizes are available (not always the case with some manufacturers. One window is installed in the second story hallway and the other in a bath in the rear of the home... so we rarely turn on lights during the day. Very pleased with the windows overall...
Thanks. They're great aren't they and 34 years! Wow, that's testament to the quality and probably to your installation technique! Great to hear from you all the way from Nashville!
Thank you so much for this video Charlie....I watched it and rewatched a further 3 times before i installed my velux window confidantly today! I am no longer a velux virgin! Thank's again
Might be worth mentioning that you were working on a fairly small roof and not cutting a large opening therefore the lathes supported what was left of the rafters that were cut out. A larger opening it would be worth temp fixing a 4x2 above and below the new opening spanning several rafters to support the roof before adding double rafters and trimmers for the new window.hope that made sense,nice job,gotta love a velux.
Makes perfect sense Dave and funnily enough I was thinking about that, this morning. Frustrating as you try and think of everything but always miss something! Thanks for the comment.
Good work Charlie, as you pointed out doing it for real isn't quite as simple as the Velux indoor workshop demonstration! Keep up the good work and best of luck with your channel.
@@CharlieDIYte like you I had the issue of lead soakers I had to make and fit up against the chimney when fitting one of my velux windows, plus slating around it. One 'simple' job can quickly become three larger jobs and when the weather turns it's twitchy bum time! Keep up the hard graft, you have great, useful tutorials. 👍
Fair play for admitting / sharing your mistakes, as they are as informative as the biits that went well. If you’ve made the mistake, then chances are plenty of others will too and so it is important to hear about and understand what went wrong. Whilst I have done much DIY in my time, the only stuff I hate doing and perhaps avoid is that which involves breaking the water seal of the house. That would cause me sleepless nights even though I am sure that I could do it. Anyway, well done and thanks for sharing. 👍
@@CharlieDIYte how to do this for a metal roof?? How will you deal with the metal sheeth?? In this case you can put back the tiles but what will you do if it was metal frame roof??
Thanks so much Charlie, this is going on my list of top 10 RUclips DIY videos, and believe me I've watched a few :). Great job and very well explained.
Thank you so much. Your video was a great help in my deciding in do it myself vs having it installed. I am a handy man and enjoyed doing renovations starting in England and mostly in Canada where I live now. However, not being a young man I once was, getting to and working on the roof is now a challenge. Watching your video showed me that I can do it all from inside the attic if I install the openable skylight aka roof window. In Canada most roofs have asphalt shingles instead of clay/slate in UK. Cutting the asphalt shingles will be lot easier than clay.
Had a leak from new velux after loads of different fixes I found out problem .on the outside glass seal.theres a problem with original seal look ok but let's in rain.how I fixed mine was to re seal around window again with clear seal ,this solved problem it's been over a year now and not a dip coming in.this tip will save you time pulling off slates and looking elsewhere 👍👍
Thanks pal, this is the video I needed to watch got 2 I'm fitting tomorrow never done one before but now I can't wait, Aiming to get both in tomorrow now. 👍
Superb video many thanks! Where where you 35 years ago when I fitted my Velux window?? I only had a piece of paper that came with the window. No internet but I’ve tackled most jobs over the years and it’s still ok today - hardest job I’ve done tho! Loved your idea of screwing the batons to the inserted rafters. Tomorrow I replace the 15mm glazing unit with a new 25mm unit using a conversion kit. There looks to be some parts missing and extra parts not needed!! Panicking a bit now as I’ve less confidence these days. Velux staff very helpful I must say. Great info many thanks. Keith
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That’s so impressive Charlie. I’ve been considering doing just the same thing with 3 windows in the loft. What’s holding me back is having a 3 storey house so realistically have no external access whatsoever. You’re a star!!!
You'd be ok mate. To be honest, the only time I went up the ladder was to work out where the window was going - which you don't need to do - and to take a photo at the end! I did the whole thing from the inside standing on a step ladder. I guess it depends on the size of window you're thinking of installing though. Just make sure you get building control involved from the start. You don't necessarily need to use the council's building control dept, there are lots of building control consultants out there. The more you plan and research it, the more confident you'll feel on the big day!!
My house is only 25yrs old so I’ll need to deal with the internal felt issue but it’s good to know I won’t need access from outside because that would push the cost up considerably. Thanks for the advice on building control.
Yet again another brilliant video Charlie. I think your in my mind as over the years you have shown items I am wanting and then today you show this. How did you know I need to put two Velux windows in. Having watched this I have to say I would be happier getting someone in who knows what they are doing, looks just a smidge too difficult for me. Not the cutting or fitting the roof ready to receive the window but the actual fitting itself. Still enjoyed the video, very informative. I might get one fitted and watch how he does it and then attempt the other one by myself. Again cheers Charlie. Chris
Thanks Chris! Ha, I've been wanting to repost this video for ages, so maybe there are greater forces up there!! D'you know what, the installation was actually surprisingly easy - the hardest thing was working out how to extricate the window from its frame at the start, 🤣 which I didn't show because it would have been like one of those Laurel and Hardy films! You do need to be comfortable with roofing though. I think your idea of getting someone in to install the first is a great idea. Thanks again!
Thanks Rob. I've got to say, I've never got on very well with that head cam. It's good to have it for those up the ladder jobs but the normal camcorders I use are vastly superior.
Great video as always! Just wondering if you have any tips on the interior finishing of the window and how this is best achieved? By this I mean the plaster boarding up to the frame etc. I have four to finish off (installed by builders...) Anyway thanks for the great channel!
Thanks Maceo. I used 100mm celotex in between the roof rafters, and foil backed 12mm plasterboard screwed to the rafters to finish off the sloping ceiling. Kingspan K118 for the walls, dot and dabbed. You saw the Velux has an insulation collar so I just used off cuts of the foil backed plasterboard sloping at an angle from the Velux frame where there's a slot for the plasterboard to go into, back to the front of the window casement, screwed to the rafters, if that makes sense.
I was surprised that with it been such a small roof you didnt strip it back and a linner and new lats on. Especially as you apear to have insulated and boarded the roof. 30 years ago i installed three velux windows and a fixed double glassed sky light in, the tiles were double romans, i was left with little 1 inch wide lenths of tiles they were a pain to fit .
As a carpenter the Double trimmers are completely unwarranted for a small roof such as yours. Regs now are a joke. If the rafters are spanning a large area fair enough. The old 50x100 rafters are solid. Very informative video 👍
The staples in the sides of the frame were used to secure cardboard to the frame in the original box. The Velux video mentions the need to remove them!
Always enjoy your vids Charlie but would just like to say that there is absolutely no benefit to fitting the shroud or the (over engineered) metal drainage bar if roofing felt has not been fitted. If felt has been fitted then it is important to fit the drainage bar in case the ridge tiles fail in the future. This would carry the water away from the Velux although still running on top of the felt where it should continue down the roof and into the gutter. Hope this others in the future.
Thanks Brian, I appreciate that! Funnily enough a friend of mine got a pro to do his and it's been leaking. When it's your own you obsess about it a bit more, I guess (ignoring the occasional error or two!)
Great video, i have a gap of 56cm between trusses so want to fit a 55cm wide velux in. Checking velux instructions they specify a 4-6cm gap wider than the window for the opening. Velux say its to allow for expansion but also insulation. The bdx insulation collar i guess fills the 4-6cm gap? Your thoughts would be great👍
Thanks for sharing your experience, and knowledge Charlie. Question, you mentioned you don't have felt under your tiles neither do I. What did you do under your roof tiles before converting the space I to a room? I have a 1930's semi detached home, I planning to I stall two velux, and convert the loft into a room, but should I foam insulate between rafters, or kingspan?
I cut sheets of 100mm Celotex foil backed foam and inserted them between the rafters - it might have been 80mm - check the depth of your rafters to see what you need. Ideally you'll leave a small gap between the foil and and tiles for air to circulate. Painstaking work but worth it. If you don't get them quite right you can spray foam in any gaps. You then want a vapour barrier between that and the plasterboard to protect the exposed rafters from any moisture permeating through the plasterboard from the room. You can either staple in place a membrane or foil tape over the battens, and for belt and braces you could also use foil backed 12mm plasterboard. Worth doing for peace of mind 👍
When you had to put double trimmers, what thickness then does that make? 4 inches? I submitted my design to BC without double trimmers and they haven't said anything.
Hey Charlie, Very helpful video. I'm about to attempt the same job myself and have a similar roof to yourself with no underfelt but sarking board instead of battening. My question is if you were installing again would you bother at all with the underfelt collar? Part of me feels like it's in the kit so may as well fit it but I have three windows to do and if its as fiddly and time consuming as it looks maybe its better to just leave it out.
Hi there. No I probably wouldn't bother with the underfelt collar as it doesn't add much value without surrounding underfelt - although I guess if you subsequently refelt the roof you'll be annoyed you didn't fit it, and I suppose it's another barrier to creepy-crawlies 😉 but what's essential is the BDX insulation collar (or whatever it's called) as this eliminates cold bridging between the rafters and velux frame. Told my carpenter mate John to get one when he installed a velux and he agreed it was essential. Get the opening tolerances spot on to ensure a really tight fit.
@@CharlieDIYte Thanks Charlie, I took advantage of the fine weather we've been having to install my first of three and it all went pretty smoothly thanks to your video combined with the 5 parter 'official' one on the JJ Rooofing Supplies Channel. A few thoughts from my first attempt as a DIY'er. 1) The Velux kit is really well made, like all jobs you attempt for the first time there are some snags and puzzling choices and instructions but once you figure it out everything makes sense and fits together really well. 2) Kudos to Velux for putting an extra screw in each bag in case you lose one down the roof 3) Like you I thought it was a shame they don't add a T20 bit in the bag. I could find every size except that in the toolbox but a quick trip to Screwfix to buy a bag of them solved that. 4) I wasn't prepared for quite how heavy and difficult lifting the sash into the frame to check alignment would be. I've fitted a couple of windows in my house previously but its a whole different ball game holding a ~30kg window out on the roofline on the top of a ladder and trying to engage the barrel bolt by touch. If you have a large(ish) window like I did I would recommend a second set of hands for this step to avoid bruising the softwood frame. 5) I went with the solar Integra version and fitting the electrics were very simple with the exception of connecting the cable from the solar to the internal electrics cable. The internal cable was tucked away and couldn't be extended or engaged with the solar cable. Removing the insulation block it hides behind gave access with the insulation then added back. Since the insulation had a plastic screw holding it maybe this is how you should do it but the instructions seem to imply you can do it without removing insulation. 6) My biggest challenges were actually from my 100 year old roof with no felt and old sarking boards with no battens but once you realise it's stood this long without leaking then you worry less about the underfelt collar and deviating form the instructions a little. Thanks again Charlie for all the great content.
Thank you for uploading. Must say... removing/altering pieces of structure in your house -- gonna need Building Regulations approval. This ought to be a reflex thought. DIYers note. Other acts of DIY which should immediately make you think "Building Regulations Approval" include altering the heat-loss of your house; making escape in case of fire more onerous; and more.
Battling with new velux. Lots of leaks. Builders installed a flashing kit EDW SK10 2000 (red line) with a blue line GGL SK10 3070. Is this a mismatch given the different colours? Would be so grateful for any advice.
Great heads up on the felt kit! Our Velux arrives tomorrow with insulation+felt kit, we'll take your advice and omit the metal bar as our old felt isn't trustworthy! Just wondered if the insulation uses up much of the 40-60mm gap, and that's why you had a perfect snug fit? Appreciate your advice mate, cheers!
Thanks. It's definitely worth getting the insulation and felt kit. Yes, can't remember exactly, but you want to follow the dimensions/ tolerances specified by Velux exactly and you'll get a wonderful tight fit with the insulation collar. If you make it too loose you'll dear the object of the kit, although I guess you could use spray foam in the gap to prevent cold bridging.
Cheers Charlie, great advice! Definitely need good insulation here so we'll take our time :) window arrived, weighs approx 60Kg! hopefully get it up loft ladder in 2 pieces. Was it easy to plasterboard around the insulation collar after? Your house looks lovely my wife's very words are "make ours look the same". Have a great weekend!
No I didn't. It's not necessary with a Velux install provided you keep the window apperture to the correct dimensions. I also really recommend the insulation collar. You get such a snug fit.
Hello, I have a question? I'm installing a bigger roof maker skylight and of course the dimensions are not always correct as to fit exactly between two rafters either side. Can the skylight be fitted between two trimmers either side and above and below the skylight or does it have to be installed between two rafters. Thanks
Yes typically this is what is done but as I said in the vid it's important to double up the trimmers. You'll need building regs and they can advise how you should do it.
Hiya Charlie , just installed one of these myself , and thought the felt cloak that’s supplied should be the other way up ? As if any water was to run off it would collect in the pockets ? . Don’t think I looked at the instructions clearly enough to see what is the correct way 🤔
I don't think the other way up but perhaps I got it wrong in terms of which is the bottom and top - one or two people have suggested that. I suppose we have to ask ourselves what the purpose of the felt collar is. There shouldn't be any water getting through so it's really to preserve the integrity of your underfelt. Either way I wouldn't worry and sounds like you've done a great job. 👍
@@CharlieDIYte there’s almost to many instructions that it takes a long time to work through each stage , It’s good that they supply the felt and have thought of everything in terms of catching water, I don’t think one area of felt is going to save much leakage when there’s no felt of the roof anyway 😂 as long as the tiles are sound there’s no problems 💪🏻💪🏻
Great video Charlie and impressive job well done! Are these easy to install if you have composite/imitation slate? I've done a small lean to and understand how to lay and tie the slate, just wondered if it's easy enough to remove and replace slates around the opening. Appreciate your advice!! BTW I bought the Thermpro TP65, works really well, thanks again!
Yes I don't see why not. You'd just need to buy the right flashing kit for composite slates, and in fact the cutting should be so much easier than it was for me, because I think you cut them with a slate cutter (which looks like a large pair of pliers).
Thanks Charlie! I've been looking on the Velux website, sadly we might have to fit the 660x980mm which only opens on the center pivot unless we cut another rafter and offset the position slightly. For an extra £10/£20 i'd prefer the wider window. Their balcony windows are clever, provided you can get permission. We have purlins in the way, and i'm worried about removing them being that it's an old house. Thanks again!
@@CharlieDIYte Hi Charlie, hope you're well and enjoying the holiday weekend :) Over a year later, we're finally back to ordering a Velux window after giving up because nobody had the UK04 in stock. A Velux approved installer confirmed our roof could take the weight but recommended only double glazed, apparently triple is best suited to colder countries. My only concern is the dreaded condensation and wondered if you experience much with yours? Do the trickle vents overcome this? Cheers
Part of me is wondering if building control told you to take down the old content as it breached guidance, then told you they'd approve yours, as you'd used old Oak = very strong, and suggested it would be ok if you added the guidance to re upload. Perhaps it's just late, anyway I'm glad it's back with extra benefits.
Hi Craig. No, I took it down voluntarily when I realised I should have got building regs consent and didn't want to mislead anyone. I retrospectively got consent and took the decision to repost as I thought people would benefit from knowing what they've got to do on the building regs side.
great video, thanks. you do not show how you remove tha woindow glass and re-installs it in the frame. this is something i fidn to miss completely also from the installation guides? how did you do it? I cannot figure it out :-)
Yes sorry about that Christian. It was late in the day and I forgot to video it. There's a video that explains this that there's a QR code you can scan to view in the instructions but here's a link ruclips.net/video/fRSYjKQlAKY/видео.html
Most clay roof tiles just hang on the 'nibs' - only every 5th (3rd if in a very high wind region) row gets nailed. Makes replacing the odd broken tile easier. Our 200+ year old roof had Kent peg tiles, and not a single nail in the whole roof - the weight of the tile above holds the tiles on. Wooden (or these days alloy) pegs hook over the battens...
Great job Charlie, first time I have come across your videos. I do all my DIY to usually a very good standard, however we all make some mistakes (as I have done many times) and we learn. I have at times employed expensive so called professional tradesmen who have made very basic mistakes, their philosophy is usually get it done quickly and cheaply, whereas DIY gives you the time to think and plan. I am just about to install either a velux or a skylight in a small landing area to give light and your video has been invaluable. Just one question the flashing kit you used is it suitable for a slate roof. My house is also victorian built in 1879 but with a Welsh slate roof. The companies never seem to make that fully clear.
Thanks so much. I agree with all that. They do a flashing kit for slate, so best to check with them but it may even be the same. Good luck with the install 👊
Charlie - great video - looking to change existing Centre pivots myself. Struggling to find combined Top Hung and centre pivot as shown in your video. Can find GPU and GPL but neither state that window is both Top & Centre moving - just one or the other. Can you help with the window code for the window you installed - thanks.
Hey, this is a great video.. I'm thinking of trying this myself on our London terrace house, I'm not much of a DIY guy usually and thinking this might be a bit much, would you recommend a total novice trying this?
I'd love to say yes, but I think best to get someone in if you've got very little previous DIY experience, or at the very least get someone to help you who knows what they're doing so that you enjoy and learn from the experience, rather than it being something that puts you off doing any other DIY.
It's the one speed model. Very basic but it's been brilliant over the years. However if you're in the market for one of these, you need to get this one bit.ly/3fHBqCA I've pretty much replaced my Ryobi with it now and am loving it, but mine was £150!! This was the video where I started using it ruclips.net/video/sL-t2Zc4wCs/видео.html
It's really hard to get to all the comments given how many come in, with the majority like yours, I'm afraid not even asking with a "please" (call me old fashioned but it makes all the free answers I give a lot more with while). I think you can get a BDX collar for all the window sizes. Call Velux or a supplier to check.
@@CharlieDIYte you have read my message wrong, I’m saying “ignore me” because I found out half way in the video, it’s your misunderstanding pal. I had no Mel-intent
Yes. Although for belt and braces you should always double up those trimmers. I got away with it because of the (small) size of the roof and therefore reduced loads on those beams.
Good one! Just I'm a bit surprised how can a roof in England, which is the rainiest place on Earth, be with such simple flat tiles without any water channel or foil under and can withstand without leaking inside😂
Absolutely brilliant video. I've been in the Fenestration industry for over 30 years and never knew how these were installed. Thanks to your brilliant video and commentary, I now do. Thanks for helping out an old dog, learning new tricks every day.
WOW you've made a right pigs ear of that
Hi Charlie and greetings from VELUX (Documentation department)... thank you for the kind words. It was great to see how well you were able to install the product. I hope you are still enjoying your VELUX window :) Kindly Torben
Hi Torben. Thanks for your kind words, too. Yes still loving the window. Its transformed the room as they so often do! Great to hear from you 👍
You’ve just sold that product to me Charlie. Excellent info. I think I can do it as you’ve explained it so well. Velux should be paying you commission man.
Thanks mate. Just make sure you comply with building regs in terms of doubling up the rafters and stringers 👍🏻
Nice job... I live in Nashville TN area and installed two Velux in my home 34 years ago. Had to replace both about 8 years ago due to the seals breaking and window fogging. Easy replacement because the same sizes are available (not always the case with some manufacturers. One window is installed in the second story hallway and the other in a bath in the rear of the home... so we rarely turn on lights during the day. Very pleased with the windows overall...
Thanks. They're great aren't they and 34 years! Wow, that's testament to the quality and probably to your installation technique! Great to hear from you all the way from Nashville!
As always, informative, to the point, and no mumbo jumbo.
Very well done.
Thank you so much for this video Charlie....I watched it and rewatched a further 3 times before i installed my velux window confidantly today! I am no longer a velux virgin! Thank's again
Might be worth mentioning that you were working on a fairly small roof and not cutting a large opening therefore the lathes supported what was left of the rafters that were cut out. A larger opening it would be worth temp fixing a 4x2 above and below the new opening spanning several rafters to support the roof before adding double rafters and trimmers for the new window.hope that made sense,nice job,gotta love a velux.
Makes perfect sense Dave and funnily enough I was thinking about that, this morning. Frustrating as you try and think of everything but always miss something! Thanks for the comment.
Good work Charlie, as you pointed out doing it for real isn't quite as simple as the Velux indoor workshop demonstration! Keep up the good work and best of luck with your channel.
Hey, good to hear from you, mate. Big fan of your Channel! And you're right, they do make it look ridiculously easy in the workshop demo!
@@CharlieDIYte like you I had the issue of lead soakers I had to make and fit up against the chimney when fitting one of my velux windows, plus slating around it. One 'simple' job can quickly become three larger jobs and when the weather turns it's twitchy bum time! Keep up the hard graft, you have great, useful tutorials. 👍
Nice! i have done this many times but this video is so well explained that it will help a lot of people who want to instal a velux. Well done man!
love your channel we need more guys like you Charlie in the UK
Aw, thanks!
Fair play for admitting / sharing your mistakes, as they are as informative as the biits that went well. If you’ve made the mistake, then chances are plenty of others will too and so it is important to hear about and understand what went wrong.
Whilst I have done much DIY in my time, the only stuff I hate doing and perhaps avoid is that which involves breaking the water seal of the house. That would cause me sleepless nights even though I am sure that I could do it.
Anyway, well done and thanks for sharing. 👍
Cheers Steve, I appreciate that! 👍
@@CharlieDIYte how to do this for a metal roof?? How will you deal with the metal sheeth?? In this case you can put back the tiles but what will you do if it was metal frame roof??
Thanks so much Charlie, this is going on my list of top 10 RUclips DIY videos, and believe me I've watched a few :). Great job and very well explained.
Can't thank you enough for that Danny! I tell you what, it's comments like yours that keep me doing this!! Cheers mate!
I'd say: good job, and congrats with your new window! Well documented, as always; I really like your style of filming and commentary.
Full of admiration for you attempting that and succeeding. I've had a professional builder taking many hours to fit one.
Don't be negative towards your builder. Sure he did a good job. Every job is different whether it takes longer or not.
@@michaelmacneil3719 Actually, he didn't fit the roof tiles over the drain on the outside of the window and the insulation is revealed, so not good!
Thank you so much. Your video was a great help in my deciding in do it myself vs having it installed. I am a handy man and enjoyed doing renovations starting in England and mostly in Canada where I live now. However, not being a young man I once was, getting to and working on the roof is now a challenge. Watching your video showed me that I can do it all from inside the attic if I install the openable skylight aka roof window. In Canada most roofs have asphalt shingles instead of clay/slate in UK. Cutting the asphalt shingles will be lot easier than clay.
Had a leak from new velux after loads of different fixes I found out problem .on the outside glass seal.theres a problem with original seal look ok but let's in rain.how I fixed mine was to re seal around window again with clear seal ,this solved problem it's been over a year now and not a dip coming in.this tip will save you time pulling off slates and looking elsewhere 👍👍
Thank you Charlie Whyte. What a thing to install but it looks great. Take care as always from South Africa
Thanks Val, and thanks for your comment, as always :)
Good, honest instruction. Really helpful that you went back and showed an improved method. Many thanks
Thanks pal, this is the video I needed to watch got 2 I'm fitting tomorrow never done one before but now I can't wait, Aiming to get both in tomorrow now. 👍
Good luck mate. It's very satisfying, and straight forward if you follow the instructions. 👍
Superb video many thanks! Where where you 35 years ago when I fitted my Velux window?? I only had a piece of paper that came with the window. No internet but I’ve tackled most jobs over the years and it’s still ok today - hardest job I’ve done tho! Loved your idea of screwing the batons to the inserted rafters. Tomorrow I replace the 15mm glazing unit with a new 25mm unit using a conversion kit. There looks to be some parts missing and extra parts not needed!! Panicking a bit now as I’ve less confidence these days. Velux staff very helpful I must say. Great info many thanks. Keith
Installed his own velux, dude is fearless
Thanks mate! I just figured I could pull it off!
I really have to thank you. I found many answers in this video
You're welcome 👍🏻
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I will be giving this ago soon, How many days did it take you?
That’s so impressive Charlie.
I’ve been considering doing just the same thing with 3 windows in the loft. What’s holding me back is having a 3 storey house so realistically have no external access whatsoever.
You’re a star!!!
You'd be ok mate. To be honest, the only time I went up the ladder was to work out where the window was going - which you don't need to do - and to take a photo at the end! I did the whole thing from the inside standing on a step ladder. I guess it depends on the size of window you're thinking of installing though. Just make sure you get building control involved from the start. You don't necessarily need to use the council's building control dept, there are lots of building control consultants out there. The more you plan and research it, the more confident you'll feel on the big day!!
My house is only 25yrs old so I’ll need to deal with the internal felt issue but it’s good to know I won’t need access from outside because that would push the cost up considerably.
Thanks for the advice on building control.
Yet again another brilliant video Charlie. I think your in my mind as over the years you have shown items I am wanting and then today you show this. How did you know I need to put two Velux windows in. Having watched this I have to say I would be happier getting someone in who knows what they are doing, looks just a smidge too difficult for me. Not the cutting or fitting the roof ready to receive the window but the actual fitting itself. Still enjoyed the video, very informative. I might get one fitted and watch how he does it and then attempt the other one by myself. Again cheers Charlie.
Chris
Thanks Chris! Ha, I've been wanting to repost this video for ages, so maybe there are greater forces up there!! D'you know what, the installation was actually surprisingly easy - the hardest thing was working out how to extricate the window from its frame at the start, 🤣 which I didn't show because it would have been like one of those Laurel and Hardy films! You do need to be comfortable with roofing though. I think your idea of getting someone in to install the first is a great idea. Thanks again!
Great video Charlie, I love the head-cam footage too!
Thanks Rob. I've got to say, I've never got on very well with that head cam. It's good to have it for those up the ladder jobs but the normal camcorders I use are vastly superior.
Great video as always! Just wondering if you have any tips on the interior finishing of the window and how this is best achieved? By this I mean the plaster boarding up to the frame etc. I have four to finish off (installed by builders...) Anyway thanks for the great channel!
Im happy to attempt most things but this takes guts as well as good planning. 👍🏾
It does, but if you spend long enough planning, and believe me, I spent a while! it's possible!
Great video. I would love to see how you finished the rest of the room. Insulation? Window casement etc.
Thanks Maceo. I used 100mm celotex in between the roof rafters, and foil backed 12mm plasterboard screwed to the rafters to finish off the sloping ceiling. Kingspan K118 for the walls, dot and dabbed. You saw the Velux has an insulation collar so I just used off cuts of the foil backed plasterboard sloping at an angle from the Velux frame where there's a slot for the plasterboard to go into, back to the front of the window casement, screwed to the rafters, if that makes sense.
@@CharlieDIYte that's great. Thank you!
Thanks ... Very helpful... Will try this when the weather picks up.. :)
I was surprised that with it been such a small roof you didnt strip it back and a linner and new lats on. Especially as you apear to have insulated and boarded the roof.
30 years ago i installed three velux windows and a fixed double glassed sky light in, the tiles were double romans, i was left with little 1 inch wide lenths of tiles they were a pain to fit .
As a carpenter the Double trimmers are completely unwarranted for a small roof such as yours. Regs now are a joke. If the rafters are spanning a large area fair enough. The old 50x100 rafters are solid. Very informative video 👍
You have good habits bro,and job is done good 👍💪🏼
Great (real world, warts and all!) video - thanks.
You're welcome. Thanks Colin 👊
The staples in the sides of the frame were used to secure cardboard to the frame in the original box. The Velux video mentions the need to remove them!
I won't be attempting this. Well done
Thanks 👍
Nice work Charlie, and great video.
Always enjoy your vids Charlie but would just like to say that there is absolutely no benefit to fitting the shroud or the (over engineered) metal drainage bar if roofing felt has not been fitted.
If felt has been fitted then it is important to fit the drainage bar in case the ridge tiles fail in the future. This would carry the water away from the Velux although still running on top of the felt where it should continue down the roof and into the gutter.
Hope this others in the future.
Totally agree, Steve. It was one of those things, as I was doing it for the first time I thought I'd better fit it just in case.
Very good video how to install velux, thanks!
Thanks Georges 👍🏻
Good job Charlie probably would not have been any better if you have had a pro to do it , you got there in the end , have a nice day.
Thanks Brian, I appreciate that! Funnily enough a friend of mine got a pro to do his and it's been leaking. When it's your own you obsess about it a bit more, I guess (ignoring the occasional error or two!)
Saw your first vid some years ago, Charlie..still not fitted it, it has become my bet noire. Maybe with your new vid I'll work up the courage. Thanks.
Great video, i have a gap of 56cm between trusses so want to fit a 55cm wide velux in. Checking velux instructions they specify a 4-6cm gap wider than the window for the opening. Velux say its to allow for expansion but also insulation. The bdx insulation collar i guess fills the 4-6cm gap? Your thoughts would be great👍
like you said do your planing properly and your research and take your time enjoyed the video.
Thanks mate. Appreciate that!
...bloody hell Charlie!😳...nice 1 and I certainly wont be attempting mine Haha...but very informative and nice work. 👍🍻
Thanks!
Job well done, looks nice!!
Thanks for sharing !
Thanks!
Thanks for sharing your experience, and knowledge Charlie.
Question, you mentioned you don't have felt under your tiles neither do I. What did you do under your roof tiles before converting the space I to a room?
I have a 1930's semi detached home, I planning to I stall two velux, and convert the loft into a room, but should I foam insulate between rafters, or kingspan?
I cut sheets of 100mm Celotex foil backed foam and inserted them between the rafters - it might have been 80mm - check the depth of your rafters to see what you need. Ideally you'll leave a small gap between the foil and and tiles for air to circulate. Painstaking work but worth it. If you don't get them quite right you can spray foam in any gaps. You then want a vapour barrier between that and the plasterboard to protect the exposed rafters from any moisture permeating through the plasterboard from the room. You can either staple in place a membrane or foil tape over the battens, and for belt and braces you could also use foil backed 12mm plasterboard. Worth doing for peace of mind 👍
When you had to put double trimmers, what thickness then does that make? 4 inches?
I submitted my design to BC without double trimmers and they haven't said anything.
Good job and thanks again Charlie
Thanks Jean!
Best detailed video, very well done, Ma shah Allah keep it up thanks a lot.
Great video Charlie. Love your videos & your channel. Keep it up!
Awesome video. I enjoyed it very much !
Thanks Philip!
Hi, great video, is there a part 2 where you show how you did the inside cover and isolation of the window
Thanks. No, unfortunately not but the frame has grooves in it that you slot the plasterboard into.
Hey Charlie, Very helpful video. I'm about to attempt the same job myself and have a similar roof to yourself with no underfelt but sarking board instead of battening. My question is if you were installing again would you bother at all with the underfelt collar? Part of me feels like it's in the kit so may as well fit it but I have three windows to do and if its as fiddly and time consuming as it looks maybe its better to just leave it out.
Hi there. No I probably wouldn't bother with the underfelt collar as it doesn't add much value without surrounding underfelt - although I guess if you subsequently refelt the roof you'll be annoyed you didn't fit it, and I suppose it's another barrier to creepy-crawlies 😉 but what's essential is the BDX insulation collar (or whatever it's called) as this eliminates cold bridging between the rafters and velux frame. Told my carpenter mate John to get one when he installed a velux and he agreed it was essential. Get the opening tolerances spot on to ensure a really tight fit.
@@CharlieDIYte Thanks Charlie, I took advantage of the fine weather we've been having to install my first of three and it all went pretty smoothly thanks to your video combined with the 5 parter 'official' one on the JJ Rooofing Supplies Channel. A few thoughts from my first attempt as a DIY'er.
1) The Velux kit is really well made, like all jobs you attempt for the first time there are some snags and puzzling choices and instructions but once you figure it out everything makes sense and fits together really well.
2) Kudos to Velux for putting an extra screw in each bag in case you lose one down the roof
3) Like you I thought it was a shame they don't add a T20 bit in the bag. I could find every size except that in the toolbox but a quick trip to Screwfix to buy a bag of them solved that.
4) I wasn't prepared for quite how heavy and difficult lifting the sash into the frame to check alignment would be. I've fitted a couple of windows in my house previously but its a whole different ball game holding a ~30kg window out on the roofline on the top of a ladder and trying to engage the barrel bolt by touch. If you have a large(ish) window like I did I would recommend a second set of hands for this step to avoid bruising the softwood frame.
5) I went with the solar Integra version and fitting the electrics were very simple with the exception of connecting the cable from the solar to the internal electrics cable. The internal cable was tucked away and couldn't be extended or engaged with the solar cable. Removing the insulation block it hides behind gave access with the insulation then added back. Since the insulation had a plastic screw holding it maybe this is how you should do it but the instructions seem to imply you can do it without removing insulation.
6) My biggest challenges were actually from my 100 year old roof with no felt and old sarking boards with no battens but once you realise it's stood this long without leaking then you worry less about the underfelt collar and deviating form the instructions a little.
Thanks again Charlie for all the great content.
Iv subscribed to Charlie told my family also Keep the videos coming
Thanks Tim - massively appreciate that!
Isn't it necessary to brace the rafter with lengths of wood to other rafters before cutting and removing a section?
Thank you for uploading. Must say... removing/altering pieces of structure in your house -- gonna need Building Regulations approval. This ought to be a reflex thought. DIYers note. Other acts of DIY which should immediately make you think "Building Regulations Approval" include altering the heat-loss of your house; making escape in case of fire more onerous; and more.
Yes, I agree. I have a building regs consultant now who I consult for all relevant projects 👍🏻
Battling with new velux. Lots of leaks. Builders installed a flashing kit EDW SK10 2000 (red line) with a blue line GGL SK10 3070. Is this a mismatch given the different colours? Would be so grateful for any advice.
Great heads up on the felt kit! Our Velux arrives tomorrow with insulation+felt kit, we'll take your advice and omit the metal bar as our old felt isn't trustworthy! Just wondered if the insulation uses up much of the 40-60mm gap, and that's why you had a perfect snug fit? Appreciate your advice mate, cheers!
Thanks. It's definitely worth getting the insulation and felt kit. Yes, can't remember exactly, but you want to follow the dimensions/ tolerances specified by Velux exactly and you'll get a wonderful tight fit with the insulation collar. If you make it too loose you'll dear the object of the kit, although I guess you could use spray foam in the gap to prevent cold bridging.
Cheers Charlie, great advice! Definitely need good insulation here so we'll take our time :) window arrived, weighs approx 60Kg! hopefully get it up loft ladder in 2 pieces. Was it easy to plasterboard around the insulation collar after? Your house looks lovely my wife's very words are "make ours look the same". Have a great weekend!
How on earth did you remove the frame?? Managed on a centre pivot window but have no idea on this top hung one! Please help!!
My velux roof window, is on a roof that is pitched at 13.2, and it's pooling at the bottom, but up to now not leaking do u think it'll be ok
Nice vid, good explanation of whats involved in the process. Have you used pu foam at all? Its not on the video..
No I didn't. It's not necessary with a Velux install provided you keep the window apperture to the correct dimensions. I also really recommend the insulation collar. You get such a snug fit.
Do you have a new link for the installers handbook? Link is dead.
Perfect job
Thanks 👊
Nice one Charlie - you always learn a lot doing the first one - the next one will be a piece of pi**.😂
Very good video - thanks for sharing 👌👍
Another great video
When you made your template was that the size of the window or the size of the window and the flashing? Thanks
Pretty sure it was the size of the window.
Hello,
I have a question?
I'm installing a bigger roof maker skylight and of course the dimensions are not always correct as to fit exactly between two rafters either side.
Can the skylight be fitted between two trimmers either side and above and below the skylight or does it have to be installed between two rafters.
Thanks
Yes typically this is what is done but as I said in the vid it's important to double up the trimmers. You'll need building regs and they can advise how you should do it.
Hiya Charlie , just installed one of these myself , and thought the felt cloak that’s supplied should be the other way up ? As if any water was to run off it would collect in the pockets ? . Don’t think I looked at the instructions clearly enough to see what is the correct way 🤔
I don't think the other way up but perhaps I got it wrong in terms of which is the bottom and top - one or two people have suggested that. I suppose we have to ask ourselves what the purpose of the felt collar is. There shouldn't be any water getting through so it's really to preserve the integrity of your underfelt. Either way I wouldn't worry and sounds like you've done a great job. 👍
@@CharlieDIYte there’s almost to many instructions that it takes a long time to work through each stage , It’s good that they supply the felt and have thought of everything in terms of catching water, I don’t think one area of felt is going to save much leakage when there’s no felt of the roof anyway 😂 as long as the tiles are sound there’s no problems 💪🏻💪🏻
Great video Charlie and impressive job well done! Are these easy to install if you have composite/imitation slate? I've done a small lean to and understand how to lay and tie the slate, just wondered if it's easy enough to remove and replace slates around the opening. Appreciate your advice!! BTW I bought the Thermpro TP65, works really well, thanks again!
Yes I don't see why not. You'd just need to buy the right flashing kit for composite slates, and in fact the cutting should be so much easier than it was for me, because I think you cut them with a slate cutter (which looks like a large pair of pliers).
Thanks Charlie! I've been looking on the Velux website, sadly we might have to fit the 660x980mm which only opens on the center pivot unless we cut another rafter and offset the position slightly. For an extra £10/£20 i'd prefer the wider window. Their balcony windows are clever, provided you can get permission. We have purlins in the way, and i'm worried about removing them being that it's an old house. Thanks again!
@@CharlieDIYte Hi Charlie, hope you're well and enjoying the holiday weekend :) Over a year later, we're finally back to ordering a Velux window after giving up because nobody had the UK04 in stock. A Velux approved installer confirmed our roof could take the weight but recommended only double glazed, apparently triple is best suited to colder countries. My only concern is the dreaded condensation and wondered if you experience much with yours? Do the trickle vents overcome this? Cheers
Part of me is wondering if building control told you to take down the old content as it breached guidance, then told you they'd approve yours, as you'd used old Oak = very strong, and suggested it would be ok if you added the guidance to re upload. Perhaps it's just late, anyway I'm glad it's back with extra benefits.
Hi Craig. No, I took it down voluntarily when I realised I should have got building regs consent and didn't want to mislead anyone. I retrospectively got consent and took the decision to repost as I thought people would benefit from knowing what they've got to do on the building regs side.
Nice job buddy
Thanks Kevin 👍🏻
@@CharlieDIYte no problem
Really informative video. Thank you
You're welcome, James. Thanks for the comment 👍
great video
Thanks!
Great video. Can this window be installed from within the loft without going onto the roof
That's my question too. My loft trap is pretty small compared to the size of the frame that I would want to use.
great video, thanks. you do not show how you remove tha woindow glass and re-installs it in the frame. this is something i fidn to miss completely also from the installation guides? how did you do it? I cannot figure it out :-)
Yes sorry about that Christian. It was late in the day and I forgot to video it. There's a video that explains this that there's a QR code you can scan to view in the instructions but here's a link ruclips.net/video/fRSYjKQlAKY/видео.html
@@CharlieDIYte thanks... I succeeded in the end 👍👍
Well done 👍
Great job. However, what is holding the 2 rows of tile above the window in place as they are not nailed?
The tiles have lips on the underside that sit over the roof battens.
@@CharlieDIYte Ah ha, now it makes perfect sense!
Most clay roof tiles just hang on the 'nibs' - only every 5th (3rd if in a very high wind region) row gets nailed. Makes replacing the odd broken tile easier. Our 200+ year old roof had Kent peg tiles, and not a single nail in the whole roof - the weight of the tile above holds the tiles on. Wooden (or these days alloy) pegs hook over the battens...
Seems like a cool guy!!
Thanks buddy 😉👍
my house the beams holding the roof come from the centre of the floor and go up in a V shape. how to change that to convert to room?
After watching that I think I'll leave it to the professionals! 😆😆😆
Fair enough. Just make sure they fit the insulation collar though as some will just leave that because they find it easier not to.
Hey guys how do you cover the hole in the roof if I have to complete the job following day? Thanks
Try and pick two days when it's not forecast to rain. Failing that, some polythene jammed under the tiles should do the trick
@@CharlieDIYte thank you for advise
Great job Charlie, first time I have come across your videos. I do all my DIY to usually a very good standard, however we all make some mistakes (as I have done many times) and we learn. I have at times employed expensive so called professional tradesmen who have made very basic mistakes, their philosophy is usually get it done quickly and cheaply, whereas DIY gives you the time to think and plan. I am just about to install either a velux or a skylight in a small landing area to give light and your video has been invaluable. Just one question the flashing kit you used is it suitable for a slate roof. My house is also victorian built in 1879 but with a Welsh slate roof. The companies never seem to make that fully clear.
Thanks so much. I agree with all that. They do a flashing kit for slate, so best to check with them but it may even be the same. Good luck with the install 👊
What happened with the. Code Violation from the city
Charlie - great video - looking to change existing Centre pivots myself. Struggling to find combined Top Hung and centre pivot as shown in your video. Can find GPU and GPL but neither state that window is both Top & Centre moving - just one or the other. Can you help with the window code for the window you installed - thanks.
It’s called an activent. You can by them online or from Tuindeco
Hey, this is a great video.. I'm thinking of trying this myself on our London terrace house, I'm not much of a DIY guy usually and thinking this might be a bit much, would you recommend a total novice trying this?
I'd love to say yes, but I think best to get someone in if you've got very little previous DIY experience, or at the very least get someone to help you who knows what they're doing so that you enjoy and learn from the experience, rather than it being something that puts you off doing any other DIY.
Was it fiddly getting the roof tiles off? This part wasn't shown?
No not at all. You might break a few if they're nailed down but you should have plenty of spare as you're installing a velux in their place.
Hi Charlie, is your 12v Ryobi drill driver the 1speed or the 2 speed model? Great video by the way. What an achievement!
It's the one speed model. Very basic but it's been brilliant over the years. However if you're in the market for one of these, you need to get this one bit.ly/3fHBqCA I've pretty much replaced my Ryobi with it now and am loving it, but mine was £150!! This was the video where I started using it ruclips.net/video/sL-t2Zc4wCs/видео.html
I have the same kind off roof… I would love to remove the whole roof and put a new one one but it would not look right
I know the feeling. It would be a relief knowing it was re-roofed, but I console myself with the fact that the roof space is well ventilated!
Good vid
What is that background sound in 7:52? 🤔🤔😅
Robert Forever Ago
I heard it too 😂😂😂
🤣🤣🤣
Great video, those kits seem overly complex though?
Thank you!
Did u have scaffolding ? Or did u reach the tiles on a ladder
Ladder outside (not very high up), but I did most of the work from inside the room.
@@CharlieDIYte thank you .. definitely going to take the project on
i have ordered mk04 78 x 98 with the edw kit, you you order the bdx underfelt collar 78 by 98?
ignore me
It's really hard to get to all the comments given how many come in, with the majority like yours, I'm afraid not even asking with a "please" (call me old fashioned but it makes all the free answers I give a lot more with while). I think you can get a BDX collar for all the window sizes. Call Velux or a supplier to check.
@@CharlieDIYte you have read my message wrong, I’m saying “ignore me” because I found out half way in the video, it’s your misunderstanding pal. I had no Mel-intent
For someone who has said budget is limited you should have gone unbranded and got the same size and spec, for 1/3 of the cost.
You can't beat Velux for quality and reliability though 🤔
Did you manage to get building regs approval at the end?
Yes. Although for belt and braces you should always double up those trimmers. I got away with it because of the (small) size of the roof and therefore reduced loads on those beams.
Why didnt you screw the frame to the roofing joist, instead of fitting it to the lats.
Good one! Just I'm a bit surprised how can a roof in England, which is the rainiest place on Earth, be with such simple flat tiles without any water channel or foil under and can withstand without leaking inside😂
Thanks 👍 Well, it's been dry as a bone. Just a brilliantly designed kit.
Absolutely terrifying job! That's me decided...one to leave to the pros!