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Hi there. Once you know the number of lamps you'd have to look at the ceiling layout and position them as equal distance as you can. This required length and area knowledge - I'll add this to my list of future posts but for now there are companies who do this for you - I found lightingcalculator.com through searching just now.

Hi there. I totally agree with you that cracks are a problem which need to be picked up by surveyors and if the vapour is inside a porous material it's not an issue. This video is part of my lecture showing the process of profiling so that students can move on to calculate different wall configurations and try to minimise interstitial condensation within insulation materials. The learning outcome of my session is to show that insulation installed inside the cavity doesn't allow bricks to 'breathe' and vapour to drain away naturally so unless it's managed properly, moisture can sit inside the insulation and cause damage that we can't see. I hope that helps put your mind at ease and you enjoyed the video. :)

Hi, is this based around full fill fibreglass insulation as opposed to partial fill rigid board insulation (maintaining a 50mm cavity)?

Hi there. Dew point and condensation calculators are mostly free (i.e. buildesk.co.uk) but I've not come across interstitial condensation calculators unless you are building a full wall unit off a manufacturer as they will have all the data to do one easily.

Building Services Engineers do this for a living. If you're looking for heating then most plumbers or mechanical installers know these too. You can do your own too but I hope that helps somewhat.

Apologies I've not got to this sooner. Yes agreed. My calculations are to show students the process and not all my data is entirely accurate. I will take note of this and if I update this resource I'll be sure to add this so there's no confusion. Thanks and I hope you enjoyed the video.

Hi there. So sorry I didn't see this until now. Hopefully you got your answer but basically the K (conductance) refers to an individual material per unit length (this can be measured by manufacturers easily) and U-Value is the rate of transfer through a wall made up of a number of different materials (this is calculated when we know the depth of each material). You're right they're both a form of conductance but you need to know the depth of a material to work out the resistance through it first...I'm sure there's someone out there who can simplify this all better but hopefully that helps a bit.

Sometimes it takes a few goes at it to sink in...personally it took me a few hundred x:)

Hi there. I hope you made a tool for this - there are manufacturers who have tools to work out their own materials in various wall configurations too which is a great idea.

Hi I teach for Cheshire College South & West if you want to enrol on a HNC or HND course. Private tuition is possible in some cases depending on your needs if you can clarify what you're wanting to achieve and I will try to help. This channel I've set up for my students so don't go on comments very often sorry :)

Hi there. Sorry I upload videos mainly for my degree students. If you let me know what you want to know more about I'll try to get a video arranged for it.

2 friends lost dogs in St John's river to similar situation. Tragic

Apologies I don't look at comments normally as these resources are for my students. I'm not a published author and will make mistakes but when I come around to upgrading this resource I will ensure to add this detail.

Apologies I don't look at comments normally as these resources are for my students. I'm not a published author and use notional numbers for ease of showcasing the calculations sometimes. I do understand you're asking for me to make it more realistic so when I come around to upgrading this resource I will ensure to add this detail.

Hi. The plan is purely made for class workshop resources so not a real building. This channel I've set up for my students so don't go on comments very often sorry.

It is dining room plus living room so around 26sqm.

Apologies I don't look at comments normally as these resources are for my students. I'm not a published author and will make mistakes but when I come around to upgrading this resource I will ensure to add this detail.

How do I find some who can calculate, in a home for building purposes

Apologies I don't look at comments normally as these resources are for my students. NR for wall is just the wall you need to look at whole room acoustic approach if you have multiple walls all with different sound issues. I'm not a published author or chartered acoustics engineer but when I come around to upgrading this resource I will ensure to add some detail on this. Thanks for your enquiry and I hope you found the result you needed.

@@silkensolutions Thanks you for your feedback, much appreciated. I managed to solve the challenge with the information from the video and a few other sources. Thanks again.

Apologies I don't look at comments normally as these resources are for my students. I'm not a published author and will make mistakes but when I come around to upgrading this resource I will ensure to add this detail.