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Insulation Keeps Out Crawl Space Humidity
As a solution to vented crawl spaces where condensation, humidity and other changes in the atmosphere can leave the space damp and moldy, Dow Building and Construction recommends building an insulated non-vented or closed crawl space — one that acts more like a basement.
Dow Building and Construction is a member of the National Council of the Housing Industry — the Supplier 100 of NAHB.
Dow’s Thermax™ foam sheathing can be installed on the interior of crawl space walls to help keep the non-vented or closed crawl space warm, dry and comfortable.
Unlike other foam insulations, the manufacturer says that Thermax can be left exposed on the interior, per International Code Council National Evaluation Service Report NER-681.
Diagonal Metal Bracing
For builders who are seeking ways to use less OSB and plywood while maintaining the structural performance of the home, Dow suggests using diagonal metal bracing in combination with insulating foam sheathing, such as its complete line of Styrofoam™ and Dow polyisocyanurate insulated sheathing solutions.
When walls are braced with diagonal metal braces, per Section 602.10 of the International Residential Code (IRC), Dow says that the entire wall surface can be covered with energy- and cost-saving rigid insulated foam sheathing.
For more information on Dow’s full line of insulation, click here, or call 866-583-BLUE (2583).
This feature is solely for educational and informational purposes. Nothing on this page should be construed as policy, an endorsement, warranty or guaranty by the National Association of Home Builders of the featured product or the product manufacturer. The National Association of Home Builders expressly disclaims any responsibility for any damages arising from the use, application or reliance on any information contained on this page.
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