For installation on concrete foundations and under floor slabs the rigid foam insulation you choose can make a difference of tens of thousands of dollars on a project.
Foam board insulation under concrete slab.
Insulating properly below grade can help prevent total structure heat loss and reduce heating and cooling bills by 10 20.
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Below grade under slab with foamular xps insulation.
Concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type.
Foamular foamular 250 3 in.
This article discusses the use of polyisocyanurate foam board insulation below concrete slabs.
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We describe research on the effectiveness of polyisocyanurate foam boards under a concrete building floor slab and we compare using polyisocyanurate sub slab insulation with polystyrene foam insulation below a concrete slab.
Concrete 3 existing drywall 2 plywood 3 wood 2 sheathing type.
Additional insulation is applied along the edges of the slab because that is a primary surface for heat loss.
Water resistant rigid board for under concrete slab insulation and slab support in traffic bearing applications.
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Lack of foundation insulation on below grade and under slab projects can account for up to 25 of a structure s total heat loss.
For under slab applications the rigid foam insulation typically should be installed over a gravel base with a poly vapor diffusion retarder between the gravel and insulation.
Get free shipping on qualified under slab foam board insulation or buy online pick up in store today in the building.
A careful evaluation of these materials performance attributes against the project s needs can dramatically shrink labor and material costs.
Polyisocyanurate foam insulation properties.
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