We use standard polyurethene closed cell foam, poured as thick as needed to attain the desired R-Value. We recommend Demilek HeatLok but do not know the local costs of the foam. The foam is not included you can inquire directly with Demilec HERE
We use standard polyurethene closed cell foam, poured as thick as needed to attain the desired R-Value. We recommend Demilek HeatLok but do not know the local costs of the foam. The foam is not included you can inquire directly with Demilec HERE