Insulated Floating Slab Foundation

Alternatively a basement can be constructed by beginning with an insulated raft slab followed by an icf foundation wall.

Insulated floating slab foundation.

The result is a very comfortable and energy efficient basement with no thermal bridging and reduced risk of mold. Watch this animation for the proper procedure to insulate a monolithic slab. As a percentage of heat loss the floor went way down compared to the un insulated slab house. Insulation of slab on grade foundation using.

A floating slab is the basic foundation structure used for buildings that do not have basements garages sheds barns and even some homes in high water table or coastal areas. Because they are easier to insulate slab foundations with stemwalls are preferable to monolithic slabs. In cold climates most slab on grade foundations include perimeter stemwalls or frost walls that extend 3 ft. This provides a continuous layer of insulation separating the concrete from the ground.

The area between the stemwalls is usually filled with compacted gravel to support the slab. This is for a house with an r 11 insulated slab. Insulated floating subfloor over slabless slab. So let s look at the mechanics of actually insulated the slab.

Concrete floating slabs can and in areas that experience freezing temperatures should be insulated.