Insulated Slab Foundation

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.

Insulated slab foundation.

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

Insulslab a complete foundation system. R 10 scored squared edge insulation sheathing model 52dd view the owens corning basement and crawlspace insulation. 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. 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.

As a percentage of heat loss the floor went way down compared to the un insulated slab house. Martin holladay explains insulating a slab on grade in the energy smart details department. 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. A slab foundation is made of concrete that is typically 4 6 thick in the center.

Now look at this chart with a house with similar specs for walls roof but it has an r 11 perimeter insulated slab. This is for a house with an r 11 insulated slab. Best seller owens corning foamular 250 2 in. Insulating a slab on grade depends on at least four factors.

So let s look at the mechanics of actually insulated the slab.