DIY: How to fix, repair, protect and seal a felt roof and flat roof using Everbuild Black Jack
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- Опубликовано: 6 окт 2024
- We had a problem with our shed workshop flat felt roof leaking and needed a quick repair. Instead of replacing the felt roof we decided to use a product called Ever build Black Jack All Weather Roof Coating which will seal and repair the roof to prevent current and future leaks it also helps to protect the felt, at the time of this video 5 litres of this costs £17 at Toolstation. We needed approximately 1 and half tins for a roof that is 24ft x 12ft (length/width) which should give you an idea of how much you'd need.
This product can be used on a variety of materials including concrete, metal, felt and some plastics, and ideally you want to paint it on as we found using a roller can cause finishing issues as it contains little fibres so is best applied with a paint brush really and you must mix this thoroughly!
I hope this product review helps you, it sorted out problem out. If you like this video please consider dropping a like and/or subscribing.
Buy Ever Build Black Jack:
amzn.to/2HMkImN
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Excellent video!
Thank you, nice to have you guys comment!
Did it fix the leak mate
It does work and stops shed roof leaks but it only lasts for about a year, I did mine last October and I've just had to do it again, because it started cracking and letting water in, just thought I'd post this to keep people informed.It is a good product but doesn't last as long as maybe it should,it is now £30 a tin, cheers
In case anyone is still interested, this product goes on well with a SOFT sweeping brush (the type you would sweep a laminate floor with). I bought a couple from pound land. MUCH MUCH easier than a paintbrush.
great advice, thanks for sharing it.
Thanks
Sorry to comment so late but can you link exactly what sort of brush you mean?
@@danburb0 A broom for sweeping flat floors
I've just done my 3m X 2.4m garden flat roof, the felt hadn't failed or no leaks but it was a nice day and the experts say this lasts up to 10 years plus.
I bought a 25L drum on eBay and used a garden soft broom to paint it on. Took me about 45 minutes.
Thanks for sharing your experience.
I can't thank enough for this vid.it literally saved my badly leaking felt roof.painted this on a fine sunny day last week n since then its been raining nonstop. And not a single drop of leaking.grt stuff.thank u dan.
I am glad it helped you, it's good stuff and works. Please subscribe as I am trying to reach 1k.
Thanks for this video! Literally saved me from stripping all of the felt of led my garden office (it’s quite a large shed). Had a leak last week in this horrendous weather. Put a good coat of this stuff on and it seems to have done the trick so far. I’m going to try and put a second coat on when the weather lets up again.
Builder wanted £800 to replace flat roof , 2 tins of “ with fibre” comes in 2 types with or without fibres, fibres stop it cracking over time. On offer atm tool station £16 with fibres. USE GLOVES! Used 1 tin let it dry over night, next day used second tin. Saved me £723.
Thanks for sharing
I've just been quoted 600 to replace mine so think I'm trying this first thank you, it has 2 big cracks in so need to look at patching first then cover with this paint, so the fibers
Grat help for me, thank you.
In my case flat porch roof covered with felt started to leak. Following recommendations bought and gave 3 coats of "Thompson's 10 YEAR ROOF SEAL" in 3 dry days, above 10 deg temperature outside. First terrential rain and leak comes back.
Climbed the roof after the rain inspect the cover. Seemed healthy, but notice tiny spike. Trying to snap it actually started too peel entire coat and peeled coat from entire roof in almost one move!
But the worst thing was - it was dry on the top and wet underneath! It was working like kind of film letting water leak to the ground and keeping it there.
Following you movie i bough instead Everbuild Black Jack All Weather Roof Coat 5L and just one paint did the job perfectly!
Thank you guys! I should have come across this review sooner.
Just wanted to share that I used this product after watching your helpful video. I'd started with the thinner 'Bitumen Paint' but this didn't do the job. I follower it up with 2 coats of this 'All Weather Roof Coating', and, fingers crossed it is holding up however one issue was: one of the problems with my roof is there's a lot of pooling of water - this product says that it will be resistant to rain almost immediately but the problem is that in the areas of my roof where the water pools, the paint has also run into these areas so is thicker. The paint may be showerproof instantly but where the water pools the paint has split to some extent - it still seems to be holding the water off but once it's dry I'm going to give it another coat of paint. I used a tar brush which was quick, but it might have gone on a bit too thick to dry quickly.
sounds like the underlying structure of the roof has a low spot, this paint is good but isn't a magic bullet to bigger problems.
I used a full size roller with a soft sleeve on the end of a broom handle, poured it on the roof and spread it around in no time. Also, although more expensive I found the Bostic product much better.
good to hear, the brush is all we had so used that.
Dan. Started on mine yesterday, but my old knees, hips and back will never be the same buddy. Ha! Ha! My bitumen was much thicker than that, but the same make as yours. I hope to finish mine tomorrow with any luck, it seems to work really well so thanks for the video once again.
Good stuff!
I've used this & Roofix & the important thing is to mix it thoroughly. I now use a mixing tool [£10] in an electric drill, which is miles better than a stick! As I have a 20ft x 12 ft roof to cover, I will roll it on & not punish myself with a 3" brush.
true mixing it is important, we did the job on a sunday afternoon when shops were closed the roof was leaking so wanted to get it done before the rain that being said brushing will apply a thicker coat, however you can roller 2-3 times if needed.
Hello Daniel, thanks for posting this video,my shed is just over two years old and has started leaking, it's January and I've just caught a dry day to put this stuff on, exactly how you did it, totally agree seems like a quality product and hopefully will do the trick, after reading some of the comments I'm sure it will, cheers
its lasted and works
I'm not a fast mover and it does go off quite quick - I found that if I put the tin inside a bucket that had a few inches of boiling water in it; it gave me plenty of time to cover my 15 sq meter roof, without straining my wrist stirring every 5 minutes ;-).
good advice
Many thanks for this I have the adhesive but will now get the coating as it seems like a great product and will save me stripping the shed roof felt....😊
Thanks guys this will solve my one leak in my garden shed instead of re-felting the whole roof.
Having watched your video I have just used this product on my leaking garage roof, I applied 2 coats to seal a 12” long split in the existing felt , a small felt patch was then applied and a further 2 coats of the Black Jack applied over the patch and the result looks excellent. The product is very easy to work with and good value at £17.45 a can. Fingers crossed the leak has been stopped. Thanks for posting your video and inspiring me to attempt my repair !
Awesome, glad the video has helped you out!
Hi Rich - A year down the line now. How would you rate this product? Did it stop the leak. Storm Eunice damaged the felt roof on our kitchen extension, and a I just need a quick, cheap fix that will last 12-24 months until we can afford to have it done properly.
@@Marc-wg2mr I haven’t checked the roof since storm Eunice tbh but the repair up to now as far as I know is still fine.
Spot on video. Used it to tank a vertical wall a few years back to block water ingress ( ultimately from a leaking gutter ) really a belt & braces exercise. Now watching this for a small non lead flat bay window roof, was harder to get hold off but will try Toolstation ( a mere 100 yards away!) 😊👍
£30 from Toolstation
Propper diy guy .... u wana try do it cheep get bitchmin 1st .... tbh if i was u id just re felt it lol tool staion etc all desinged to sell trade trade and u diy stuff
A stellar video, very informative. Very interested to know how well these products have performed over the last few years.
I've got a roofing issue on the horizon so it would be great to know how effective these products are and what the longevity is like.
I am sure it will fix the issue for you.
@@DanielJohnHowTo and longevity?
Very informative video. This stuff looks like the solutions to my problems. It’s amazing how much water can penetrate a loose felting nail or find that hole in. the felt.
Thanks for watching!
2 years later, how did the roof hold out over time? I have a gentle pitched roof, no current leaks and was thinking to do this to buy me another few years till I am ready too properly re felt? Cheers
Blackjack works for a short term fix, but won't last long on a flat roof that gets sun all day in summer, it eventually just melts through the porous areas it sealed and you need more, it may work better on a flat roof that doesn't experience full sun all day long in the summer, or in places where its not so warm in summer, but as a short term fix it can help in some situations, it's just not %100 guaranteed to work in all situations.
thanks for sharing your advice.
I agree Vinnie,my shed is South facing and gets the sun all day and it has cracked,so the location is definitely a factor when applying this stuff, cheers
@@philipgordon6248 The jet black product gets really hot, had the same issue with Thompsons that I think started to deteriorate and 'alligator' in one area of my felt roof on a garage after those 40C days in 2022. It was a section surrounded by parapet wall that gets less air circulation and probably hotter. I've covered it again with the top coat as grey hoping that it will be a bit cooler.
Just a top tip,
Use a soft brush like what you use indoors, or a 5" paste brush, also, a company in wakefield called bc profiles sells a 25ltr tin of 905 for £43 plenty for 2- 3 coats but good video you got there in the end, 👍
Good advice thank you.
Used this on my garage roof five years ago, it's just started lifting in certain places so doing it again.
thanks for your comment
Bought the heavy duty rough type of felt for my shed. So after 10 yrs it must be loosing it"s oils, had pin hole leaks. Being the rough type of felt was wondering if, a coat of unibond first would make a small tin of blackjack go on easier and further. Cool vid by the way.
I haven't used unibond before.
Really enjoyed watching this video. Your commentary was to the point and has given me the confidence to do this job on my own flat roof. Now I just need to wait for a couple of dry days :-)
thanks and not too cold either, good luck.
Same here. Very useful info
Good afternoon
I have a question for you.
On a flat felt roof we had a slight leak in one of the bedroom ceilings;
* We Bitumen painted the felt joint/seals (how long is the job good for?)
* We Bitumen painted the felt joints/seals and then a 2nd coat , a few days later, for the entire roof( how long is the job good for?)
It only caused a small leak and that was down to the recent 6 weeks of solid /hard rain/torrential rain.
Any words of wisdom would be appreciated.
Thank you
Next project... even smaller brushe, that’s keep you in the business forever 🤪
I bought a 25l container for about £50 off Amazon - good value if you need more than 5l.
fair enough.
I had the same problem in my kitchen flat roof leaking
I'm going to buy 5l then paint the whole roof hopefully should sort my leak
But the only problem is UK bad weather
it will be fine
Thanks for the video. I have just today applied 5L worth to my old shed roof in the hope it will last me another 2 or 3 years. Time will tell of course.
I used a mixer paddle on my cordless drill to mix it thoroughly before use and then I used a wallpaper paste brush to get it on the roof. You'll need some turps or white spirit to clean any tools you want to keep (I discarded the brush but the paddle mixer cleaned up well)
Best of luck!
Dan, Was about to re-felt my garage this spring, but seeing this it looks a better job, easier and cheaper. Did it work and did the roof become water proof again? Would you suggest a second coat? Brilliant help and very apt for me right now.
Yes it did work, stopped any leaks we had and also protected the felt you can always recoat it every now and then for added protection, thanks.
Great video thanks👍🏻I’ve just ordered a tin from amazon to do my shed roof with so I’d love to know did it rain just after you finished the video and when it did rain did it solve your leaking roof? Thanks 🙏
If you found this video helpful please subscribe, it will help me a lot. I am planning to release more videos shortly.
Good call guys , i have a leaking shed roof across the overlap this will do nicely instead of re-felting it all
yep and will provide further protection for you.
Great video guys, thanks. Happy Easter.
Thanks you too.
After watching this I'm going to do my roof with this next week. Is it still working?
Hi Lee, thanks for your comment. Yes it's still working and in great condition, we expect this to last a number of years really and I reckon it will do. Probably best to get it done sooner rather than later as the weather is starting to turn cold now.
What you can do is rinse your new roller sleeve with water first to get out any loose fibers. Spin off the water then until dry
Thanks for the advice.
Just done my workshop with this after watching your video last week, hopefully it turns out as good as yours once dry
if it goes on my carpet o won't have to worry about getting it clean cos my wife will murder me 😂
yep, use old clothes and gloves etc because this stuff gets into things and won't come out easily, good stuff though.
Excellent video, I think you might have solved my roof problem. Cheers mate!
Thanks, it certainly helped us. No problems since.
no you can get the stuff in polar white cromer do it and loads of other places do as well
Brilliant video, thank you. Would you recommend cleaning / sweeping the roof first before painting?
Yes, absolutely
@@DanielJohnHowTo Hi Daniel, I watched your video and ready to piant the roof of my shed, but not sure if its ok, can I send you the image of roof then have your comment? Thanks. Eric
@@aaronmaoeric1 What's the issue with it?
@@DanielJohnHowTo I am not sure roof material is ok to paint waterproof coat or not, if you can share email address I will send image to you, Thanks
Followed your cleaning the roof advice and off I went (not literally). Easy to apply,great coverage and really pleased with the results. Will add another coat. Thanks for the tips etc.
Could you do an update, see how this product is panning out after a few months
Hi Eve, I could do. I can tell you it's lasted and is doing a great job currently though.
Well, providing they had no more than a light shower it probably worked, add high winds and driving rain and they'll be back to square one, or worse!
@@audimanuk well looking at recent updates its still holding out. And I'm sure over the last 3yrs they've had more than a light shower.
@@markramsell2722 More by luck than judgement, it would probably still be watertight without golightly mincing about with his little brush, a pointless exercise.
@@audimanuk Bruce, what would you do to repair a felt roof leak?
Brilliant helpful video
Thank you
Glad it was helpful!
Nice one. Top tip. Just what I need! Thank you
No problem 👍
Need to mix the fibres proper In the plater, whisk would have been better idea , it does thicken up good ,👍
you can't use a whisk it's not strong enough, the stuff is made from bitumen tar.
Thanks for this. How long did this repair last?
years
Thanks that’s helped me to do my shed now with these products easy do it 💪🏽
awesome thanks
Hi there, your facia boards on the outside look very high, they ideally want to be flush to the roof panels that is probably why the water is sitting on the roof and not running away.
I had the same problem but mine was coming in at the front and runing down the timber .and runing down the back wall so ive aded more felt to the front overhang but i am gona use this on the roof just for extra safe results .
Mine is currently doing this, I am going to have to do something similar.
How is this getting on now - was it a long term fix or just a hack to get another winter out of the roof? Cheers!
Good job and can put 2 coat?
Many thanks
if you want to but let the first coat harden off.
@DanielJohnHowTo OK I see many thanks
Hi Daniel,
Good video, i am planning to fix my felt flat roof next week.
Has your roof survived the latest heavy rain and snow?
Thanks, Marie
Yes it has and thanks for asking
This is an economical solution to a garage roof i have. Have you had any problems with sunlight affecting the coating (cracking etc)?
Gonna use car underseal on mine.....its right on the top of my house dorma style....
If that dont work I've been thinking of sticking 10mm thick bathroom wall /shower panels(interlocking) down on top noons can see them flat three story high anyway.
honestly, i would just use blackjack as underbody seal is too thick you may run into issues if you just want to get a job done and nicely.
Did it last and work ok .Thanks 🙂👍
nice one, it's good stuff
This is the video people told me to come and have a look at so here gose nothing.
It will last for 12 to 18 months. For best results use a horse hair brush or a hand sweeping brush. Normally it will take 24 hours to dry but if possible wait 48 hours befor second coat 😊
thanks is the video linked somewhere or talked about? just curious
@@DanielJohnHowTo someone was on about It on Facebook page
@@thomasbingham9648 thanks
Thanks for the video. Pretty good for 17 quid a tin.
Thanks for your comment, yes it's good stuff in fact it solved our leaking problem. I'd definitely recommend and use it again.
Hi guys . Great video. !! 3 Years on how is are the roof leaks. ?? . As I have a slightly larger workshop/storage , as yours . felt etc . a replacement roof ,is too costly at the moment . Heavy rain ..results in water ingress . Would be good to know ,as we may treat the roof ready for winter ? cheers
No issues.
A good method is to pour the black jack on and then spread it out with a used 9" roller as a used roller shouldn't shed any fibres.. but even if it does it won't affect the performance at all...
thanks for the advice Adrian.
Did you have any more leaks in flat roof
Please can you update us thank you
nope, all sorted thanks.
How has it held up long term guys? I have a relatively new large roof like yours where the guys didn't not seal the joints and I think I have leaks from the nails in there wholes. I was hoping something like this would fill and seal where its penetrative as I can't see the leaks being caused by anything else at this stage.
Many thanks for the video. Chris
the job has lasted well and worked, give it a try
Thank you that's really helpful! Is this still lasting or did you need to do anything else to your roof?
still lasting, we check it every now and then.
What about now August 2023
Should upgrade to a 3" brush.
true but it's all we had.
Can you put this on top a 3 layer felt as an extra layer of protection (4th layer almost)
Did it work and is it still holding up ok
Bird shite stains on the roof are reacting to the chemicals, Good job big lad.
It's ok to get messy and tarred with the same brush, Get some knee pads!
😊
Great work lads
Before use turn upside down in a warm room overnight
good advice, makes sense.
Better to stir /mix it with a square stick
Hi guys, good video, can you tell me did it work and has it lasted? Thanks.
Yes it does
Its been a few years, How did it do, last?
would you recommend stripping back old felt first or just paint this stuff over the top? I have an old shed with felt that is in ok condition, but has started to go brittle and flake. I was wondering if paint straight over would be ok or if I should smooth it back slightly first. What do you think?
I would either brush the old stuff then use black jack, as it will adhere better and fill holes but really if the felt is that bad then consider replacing it.
why not do the roof properly in the first place or was it a temporary thing and ,like me, didn't get around to doing it?? :O)
It was done properly with felt from Wickes, but the felt failed.
Thankyou very good and helpful video 👍👍
Most welcome 😊
I used cromopol grey to reflect heat
I have been roofing over 40 years . And all you are doing with these cans of different water proofing is prolonging the inevitable. That your flat roof needs renewing. In my experience they do not last . Otherwise they would be used on a new roif which of course they are not . So thinking you saved money in the long term you definitely haven't.
Great video I'm replacing my shed felt and I'm thinking of using Black Jack to finish it off. Would you recommend?
It would add extra protection, but shouldn't be needed depends on the felt quality.
@@DanielJohnHowTo Thanks for you advise. Have a good weekend and stay cool 👍
Did you put any " scrim " along the joints first?
Hi can I used this on a terrace house with a pitch roof made with tiles?
So I’ve put new boards on the pre-fab garage roof. I’ve got felt on there now. Do i need to torch or do I just paint over the felt? New to DIY - cheers
Hi Daniel, aware this was 2 years ago, just wondered how it’s still holding up? Felted my new shed I built from scratch last year, just had a massive down pour and noticed floor wet pretty much along where there beams run front to back. Layer felt across beams opposite way.
Job is still good, thanks.
Daniel cheers pal, grabbing a 5 litre tin next week
@@MOOSEIOD i bought ours from toolstation but check prices to get a good deal
Nice video!Would this work on a flat concrete roof that is leaking in your opinion?
Yes but make sure you work it into the surface, apply enough coats and it has a good time to dry etc. You can use this stuff on metal and all sorts etc.
Thx a lot for the fast reply! What is the coverage with one 5l tin?
I can't honestly remember, it should say on the product information when you buy it although it does go quite far. if you are doing a large roof it may be worth getting another tin just in case so the job can be finished, take it back if you don't use it etc.
How did it hold up? I'm looking for a solution to my leaky felt roof on my 12 x 12 home office.
still good.
I used this after watching this video in May last year, had no leaks until now? Only used a single coat to be fair but used the whole tin so applied quite a thick coat, especially on the joins of the felt. Any recommendations, should I buy another tin and try and apply another coat inbeteen the dry weather or re-felt?
if you think another coat would be best and ensure protection then go for it.
Hi can we use that during winter or it has to be summer time. Thanks
warmer weather is better for drying but you can use it in the winter
Did it fix the roof
it did
Did it work???
That black jack looks and stirs just like my car underseal.
pretty much the same thing but not as thick, i have used both and considered it myself.
Very interesting and thanks.
Do you need to sprinkle the stones or gravel over the roof afterwards or is it fine without?
Fine without but would certainly add some protection and stabilisation to the roof.
@@DanielJohnHowTo thankyou so much...brilliant video!!
Did it work?
yep
Any updates mate did you stop the leak?
hi daniel does blackjack work on insulating /waterproofing all felt shed roof including pitched roof (non flat) thank you
it will work on that, probably adds some insulation but not loads i honestly don't know
How is it looking after 5vyears
you can get a smaller brush ! my next job
I'm sure it works, but instead of slathering adhesive all over the roof why not use something proper like cromapol?
it's not solely an adhesive, look the product up
It would be really helpful to hear from you as to if this worked and stopped a leak. I have a leak in a small porch to the house ans are looking for a similar product that might work. The other products are about £50 quid for 5kg so I am interested hear if this worked
It does work and if you read through some comments you will also find other questions answered as well.
Thanks for your time and advice
Great video... Do you need to cover the entire garage roof or can you use it on a certain patch/join in the leak area... Thanks
Entire area in the video but you can use it to patch areas.
@@DanielJohnHowTo thanks for reply mate
Thank you very much for this!
You're very welcome!