I'm about to push the button on the Thermo12 Gold Cal Sil but I noticed in one of the threads someone suggested it was not as good an insulator as straight Calsil and somebody else was concerned about a compression of rate of 5%.
All those who used Thermo are you happy with the choice in the end? Good insulation and a good flat surface to build on? I was going to use 4" in the end.
It's rating seems to be .67 btu - in/(hr.ft2.f) or 0.96 W/m C and whilst I don't really understand the scale it doesn't seem far off FB board.
Thanks again to everyone in this very helpful forum.
Regards
Toby
All those who used Thermo are you happy with the choice in the end? Good insulation and a good flat surface to build on? I was going to use 4" in the end.
It's rating seems to be .67 btu - in/(hr.ft2.f) or 0.96 W/m C and whilst I don't really understand the scale it doesn't seem far off FB board.
Thanks again to everyone in this very helpful forum.
Regards
Toby
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