The company offers products that meet Leadership in Energy and Environmental Design (LEED) requirements. Iron-Grip 601®, Flex-Grip™ 550, Versa-Grip™ 102, Versa-Grip™ 181, and Duct Seal™ 321, which are water-based mastic duct sealants, have been tested in accordance with standards by numerous federal agencies such as the Food and Drug Administration (FDA), Environmental Protection agency (EPA), and the U.S. Department of Agriculture (USDA). LEED-compliant rolled sealants include Aluma-Grip™ 701, Foil-Grip™ 1402, Foil-Grip™ 1403-181BFX, and All-Purpose™ 1602. The LEED-compliant water-based duct liner insulation adhesives include Roto-Tack™, Speed-Tack™, Coil-Tack™, and Seal-Tack™. Each sealant resists mold, mildew, slump, and will securely adhere to virtually all duct substrates, the company says.

Hardcast, 900 Hensley Lane, Wylie, TX 75098; 800-527-7092; 972-442-0076 (fax);

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