Insulated Slab Foundation

The climate the type of foundation whether the slab includes hydronic tubing for radiant heat and the severity of the local termite problem.

Insulated slab foundation.

But in fact as foundations go it s quick and cost effective and provides an excellent base for the super insulated homes we build. Insulslab is a complete system based on a cast in situ foundation system which comprises a series of interlocking expanded polystyrene eps pods forming a substantially rigid waffle foundation system slab. A slab foundation is made of concrete that is typically 4 6 thick in the center. Martin holladay explains insulating a slab on grade in the energy smart details department.

Best seller owens corning foamular 250 2 in. 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. Compacting gravel for under a raft foundation insulated slab forming systems corner detail for insulated slab forming system skirt detail for frost protected shallow foundation slab forms rebar detailing for slab foundations. This is for a house with an r 11 insulated slab.

Insulating a slab on grade depends on at least four factors. So let s look at the mechanics of actually insulated the slab. In all climate zones the horizontal insulation extending outside of the foundation shall. R 10 scored squared edge insulation sheathing model 52dd view the owens corning basement and crawlspace insulation.

Perimeter slab insulation heat loss through an insulated slab windows 33 roof ceiling 8 slab 15 6 doors 5 walls 39 insulation and fenestration criteria table 402 1 1 insulation and fenestration requirements by componenta climate zone fenestration u factorb skylightb u factor glazed fenestrationb e shgc ceiling r value wood frame wall r value. Now look at this chart with a house with similar specs for walls roof but it has an r 11 perimeter insulated slab. Insulation installed outside the foundation wall shall extend form the top of the slab directly down for the full distance or at least down to the bottom of the slab and then horizontally until the specified distance is achieved. Slab on grade floors are often heated which provides a very comfortable and even distribution of heat throughout a home.

A foundation system that offers both cost savings and excellent thermal performance.