Recent content by Fred101

Thanks for the input. I don’t know whether this would have changed your response or not…..but my daughters flat renovation was completed Q4 2022 and so it went through most of last winter with no signs of a problem. So, if the DPC up the patio door reveal was fitted incorrectly wouldn’t that...

Hi All, Hoping some kind soul can offer some guidance please. My daughter has a victorian terrace groundfloor flat in south London, but has recently noticed a small damp patch on her wall by her patio doors (see attached photos). Upon checking outside it's clear that a chunk of the render that...

"One other (very cost-effective but slightly more space consuming) method is to build your stud wall, fill the gaps with 100mm rockwool then fix 25mm celotex to the surface (eliminates the thermal bridges). Much easier getting rockwool draughtproof, cutting pir to exact sizes is very boring"...

Thanks for the tips folks :-) I also got the feedback from the suppliers. Their 40mm blanket +~20mm air gap either side means an 80mmm installation and that is equivalent to about 80-85mm of PIR. So in fact there is very little in it from a heat loss and size perspective, but this comparison...

Hi Woody, Thanks for the feedback and having never used foil before, I am wary. The product I was looking at would be a 90mm thick install (2x25mm air gap plus a 40mm thick foil) and I have asked the supplier for their technical data to show how that compares against 75mm and 100mm PIR...

Hi All, I have an attached garage that has an 8m single block (100mm thick) and render external wall and a couple of similar build returns either side of a 45mm thick insulated up and over panel door. The other 2 walls are attached the main body of the house. In winter the garage is almost too...