Concrete floor insulation

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Weatherproofing Windows, Radiant Barrier, Foil Insulation, Insulation Sheets, Insulated Curtains, Window Insulation, Spray Adhesive, Radiant Heat, Foam Core

EXTREMELY EFFECTIVE - reflect 95% of radiant energy, perfect RADIANT BARRIER. VAPOR BARRIER -Unaffected by humidity and moisture, can be used indoor/outdoor. SUPREME QUALITY - 3mm closed cell polyethylene FOAM ( not a cheap bubbles) sandwiched between highly reflective Engineered Foil on both sides. Easy to install, easy to cut and easy to clean, Strong but lightweight. SOUND BARRIER - excellent soundproofing material. NON TOXIC - will not irritate skin, eye or throat. Non allergic.

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Floor Insulation Ideas, Insulation Ideas, Basement Subfloor, Interior Wall Insulation, Basement Insulation, Cheap Floor, Rigid Foam Insulation, Rigid Insulation, Plywood Floor

I am proposing a project for a slab on grade Habitat house with 2" of foam under the slab and 1 1/2" or 2" of foam on top of the slab with 3/4" t&g plywood or osb floor. I want to float the plywood rather than use screeds to minimize thermal bridges. The interior walls are all non-bearing so they can be fastened to the plywood. I am certain that this is not an original idea so I would like to know if anyone has tried this and what the down side issues might be.

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