Product Description
Backer rods do not stain sealants, and are chemically inert. They are non-gassing, non-exuding, and virtually dust-free.Closed Cell Backer Rod available in multiple diameters and lengths Meets ASTM C1330, ASTM D5249 For Use with Cold Applied Sealants Closed Cell Polyethylene Foam Nonimpregnated, nonstaining, and nonbleeding Inert and does not adhere to sealants Meets all requirements of the 1990 Clean Air Act Is a "Domestic End Product" as defined by the Buy American Act , Title 41 USC 10 Closed cell backer rods are designed to limit the depth of sealants, help the sealant assume an hourglass shape (which prolongs sealant life), and serve as a bond breaker to prevent bottom-side adhesion. 1/2" Closed Cell Backer Rod - 800 ft Handy Pack
Shipping Weight: 12 pounds
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