Insulated Slab Foundation

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

Insulated slab foundation. Now look at this chart with a house with similar specs for walls roof but it has an r 11 perimeter insulated slab. 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. Best seller owens corning foamular 250 2 in. In all climate zones the horizontal insulation extending outside of the foundation shall.

A slab foundation is made of concrete that is typically 4 6 thick in the center. A foundation system that offers both cost savings and excellent thermal performance. 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. Insulating a slab on grade depends on at least four factors.

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. 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. R 10 scored squared edge insulation sheathing model 52dd view the owens corning basement and crawlspace insulation.

Martin holladay explains insulating a slab on grade in the energy smart details department. 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. As a percentage of heat loss the floor went way down compared to the un insulated slab house. Insulslab a complete foundation system.

But in fact as foundations go it s quick and cost effective and provides an excellent base for the super insulated homes we build.