Insulation covers

[Alabamaeee]

The "builder" who built our new property (if you can refer to him as as a builder that is) left some spanboard lying around the site, 12 mm! Not overdoing the insulation was he

 

[thepliedes]

Hi, what I have are sponge types about 1/2" thick. Anyone tried these?

 

[oliver90owner]

Anyone tried these?

Clearly. See post #39?