Spray Foam Under Slab On Grade

An easy way to recognize eps on the jobsite is that it is commonly white.

Spray foam under slab on grade.

Geolift works in three steps. Although both are closed cell insulations they perform very differently over the long term. The best way to insulate under a slab on grade concrete foundation is with eps rigid foam insulation. Water resistant rigid board for under concrete slab insulation and slab support in traffic bearing applications.

Below grade under slab system with foamular rigid board insulation. It also discusses installation procedures for below grade and under slab insulation. Insulating under foundation and basement slabs using spf spray polyurethane foam offers certain advantages over the more common method of using rigid foam board. As with any new technique however there are some considerations to take into account before using this approach for the first time.

Holes should be no less than six inches away from the edge of the concrete. The first step is to drill holes in the problem concrete. Confirm long term thermal performance. Owens corning enclosure solutions.

Two common rigid foam insulations specified for below grade applications are expanded polystyrene eps and extruded polystyrene xps. See our step by step slab on grade construction videos in the ecohome green home building guide pages.