why put foam under concrete
On building foundations the insulation whether EPS or XPS is installed over the dampwaterproofing after that layer has adequately. However even as much as 12 inches of styrofoam under your house should be fine. Not As Challenging As Burying Foam In Dirt But I Still Would Recommend Eps Xps Over Polyiso Here Slab Insulation Concrete Slab Concrete Reduce heat loss by 56. . Add half a 94 lb. If the base is preped and tamped properly and the correct concrete and wire is used you will crack no more or less than. In slab situations raising up the subfloor off the concrete with a layer of plywood over sleeper strips. Free 2-Day Shipping wAmazon Prime. Vapor Barrier and Thermal Break. Shown in a diagram of a well-insulated house was what. Then why do they put foam under concrete. Foam base can seriously speed up your installation process. Figure 4-15 Building Foundation. Polyethylene Under Concrete