Insulated Slab Foundation Cost

In cold climates most slab on grade foundations include perimeter stemwalls or frost walls that extend 3 ft.

Insulated slab foundation cost. The same variables we used in pricing a slab apply to this foundation. Two materials used to construct foundations are icf and poured concrete. A floating slab for a mobile home runs 4 600 to 14 000 while a standard 24 x 24 2 car garage foundation costs 3 100 to 4 800. But in fact as foundations go it s quick and cost effective and provides an excellent base for the super insulated homes we build.

Slab foundation is the least expensive of the three foundations. Insulated concrete forms foundations. Increasing sub slab insulation to r15 or r20 or more will make floors much more comfortable and reduce heating costs. Compared with a full foundation a frost protected slab can reduce construction costs in my market by about 20 000 for a house with 850 square feet on the first floor.

A typical 1 200 square foot house foundation costs 6 900 to 16 200 for a concrete slab or about 40 000 for a full basement unfinished. Labor for this foundation will cost about 7 000 for a total of 10 200. A basement foundation supports the entire structure. The area between the stemwalls is usually filled with compacted gravel to support the slab.

A basement foundation is a minimum of eight feet above the footings and provides living and storage space.