Since the design called for some 80,000 square feet of under-slab insulation, Seelman recommended ACH Foam Technologies’ Foam-Control Plus+ as an ideal solution. In part, Seelman’s ...

Like compressive strength, molded polystyrene’s thermal insulation capacities are also ... stiffness of the layers of support beneath a concrete slab,” says Bergstrom. Quantified, the modulus ...

If your slab is split down ... simply rapping on the concrete will work, Sciuga said. If you knock on it and it sounds hollow, there may be a void underneath. 5. Get under there - Some of the ...