Insulated Slab Foundation

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.

Insulated slab foundation.

R 10 scored squared edge insulation sheathing model 52dd view the owens corning basement and crawlspace insulation. Insulating a slab on grade depends on at least four factors. In all climate zones the horizontal insulation extending outside of the foundation shall. As a percentage of heat loss the floor went way down compared to the un insulated slab house.

A slab foundation is made of concrete that is typically 4 6 thick in the center. Slab on grade floors are often heated which provides a very comfortable and even distribution of heat throughout a home. Best seller owens corning foamular 250 2 in. A foundation system that offers both cost savings and excellent thermal performance.

But in fact as foundations go it s quick and cost effective and provides an excellent base for the super insulated homes we build. 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. So let s look at the mechanics of actually insulated the slab. 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.

Martin holladay explains insulating a slab on grade in the energy smart details department. 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. The concrete slab is often placed on a layer of sand for drainage or to act as a cushion. The climate the type of foundation whether the slab includes hydronic tubing for radiant heat and the severity of the local termite problem.

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.