No Sweat Slabs
Insulating under or over slabs (including radiant-heated designs) helps reduce the potential for condensation or "sweating," reduce energy loss and increase the comfort of the home's occupants. And to reduce the potential for mold, it's critical to insulate slabs that will have floor coverings.
With rugged STYROFOAM™ Brand Extruded Polystyrene Insulation, insulating under the slab before the concrete is poured/placed can be a "no sweat" proposition. Even after the slab is in place it's still not too late to add energy-efficient, moisture-resistant STYROFOAM™ Brand Insulation.
U.S.
| Project Specifications | Recommended Dow Solutions | |
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STYROFOAM™ Brand SCOREBOARD™ Insulation | |
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STYROFOAM™ Brand Square Edge Insulation | |
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STYROFOAM™ Brand Tongue and Groove Insulation | |
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Enhanced Installation Learn more about weatherization |
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Learn about high-load slab solutions from Dow |
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STYROFOAM™ Brand SCOREBOARD™ Insulation |
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STYROFOAM™ Brand Square Edge Insulation | |
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STYROFOAM™ Brand Tongue and Groove Insulation | |
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STYROFOAM™ Brand WALLMATE™ Insulation | |
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Enhanced Installation Learn more about weatherization |
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| Literature |
| Installation Recommendations for STYROFOAM™ BLUEGUARD™ Exterior Foundation, Interior Crawl Space, Under Slab (205KB PDF) (1) Consult the label and Material Safety Data Sheet before use. |
Canada
| Project Specifications | Recommended Dow Solutions | |
Learn about high-load slab solutions from Dow |
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STYROFOAM™ Brand SM Insulation |
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Enhanced Installation |
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Learn about high-load slab solutions from Dow |
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STYROFOAM™ Brand SM Insulation |
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STYROFOAM™ Brand WALLMATE™ Insulation | |
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Enhanced Installation |
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| Literature |
| Below Grade Insulation: The foundation of effective energy savings (Canada) (536KB PDF) |
| Below Grade Insulation: The foundation of effective energy savings (French) (536KB PDF) |
Dow can help you get to the bottom of your foundation insulation questions.


