Recent content by Macdesigner

Yep, that makes sense... it is now a value of 0.256 ! What do I do about the internal and external resistance ? Thank You

So when I add up all the R values ( which is about 3.9 ) what do I do ? By looking at my screenshot, what would be the next steps ? Thank you all very much.

I've looked at that website and here's what I've got s far ( see attached ) I understand that the U value needs to be 0.3, but how is this possible when the insulation alone is 3.8? I haven't divided or taken away the internal or external surface resistance because I don't know how to. By...

Hello, I'm new to this forum and I appreciate your help ! I have a timber frame building, and below is what I've calculated so far for the u-value. I understand that by UK regulations you need the value to be 0.3 (?) Cladding – Softwood Thickness m Density Kg/m3 Conductivity W/mk...