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Fanfold Underlayment Reduces Air Infiltration
 All-plastic Green
Guard® Fanfold Underlayment from Pactiv Corporation is easily installed, enhances energy efficiency and provides a smooth base for replacement siding, according to the manufacturer.
Headquartered in Lake Forest, Ill., Pactiv Corp. is a member of the National Council of the Housing Industry — the Supplier 100 of NAHB.
Easy-to-cut, GreenGuard stays flat to provide a solid, level base for new siding, according to Pactiv Corp. Made of extruded polystyrene foam with clear flexible plastic facers, it provides superior resistance to moisture and humidity that helps prevent warping, crumbling or delamination.
The underlayment increases energy efficiency by sharply reducing air infiltration into the wall cavity.
GreenGuard’s fanfold design is highly resistant to cracking, denting and tearing. One side is printed with grid lines for alignment and cutting, says Pactiv Corp.
The product is sold in a two-square bundle, 4-foot x 50-foot; when installed over old siding it provides a continuous layer of thermal and air infiltration protection.
For further information about the GreenGuard® family of products available to home builders and remodelers from Pactiv, click here, or call 800-241-4402.
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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