And yes it is a foam just like your beloved spray foam.
Spray foam under slab on grade.
An easy way to recognize eps on the jobsite is that it is commonly white.
Holes should be no less than six inches away from the edge of the concrete.
As with any new technique however there are some considerations to take into account before using this approach for the first time.
The best way to insulate under a slab on grade concrete foundation is with eps rigid foam insulation.
Two of the rigid foam insulations most commonly used below grade and under slabs 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.
The first step is to drill holes in the problem concrete.
Below grade under slab system with foamular rigid board insulation.
Geolift works for driveways sidewalks patios garage floors even pool decks.
Confirm long term thermal performance.
Although both are closed cell insulations they perform very differently over the long term.
Geolift works in three steps.
Owens corning enclosure solutions.
Insulating under foundation and basement slabs using spf spray polyurethane foam offers certain advantages over the more common method of using rigid foam board.