Mineral Wool Insulation directly under Carpet

Ground Floor existing concrete slab with 6mm poly on top. No water/damp issues. Low head height. Wanting to add insulation and carpet.My idea:Seamless layer of 1.5″ rockwool comforboard 80 or… Ground Floor existing concrete slab with 6mm poly on top. No water/damp issues. Low head height. Wanting to add insulation and carpet.My idea:Seamless layer of 1.5″ rockwool comforboard 80 or…Read MoreGreenBuildingAdvisor