The best Side of mix
I place 2" foil faced polyisocyanurate (Dow Tuff-R) on the interior walls of my basement, simply by attaching it with three" Tap-it concrete anchors and taping the seams with foil tape, you will need a hammer drill for making the holes during the concrete. I also pieced the polyiso into just about every rim-joist bay and sealed the edges and seams