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To form water and airtight seals around junction box flashings, Topaz’s Duct-Seal Weatherproof Compound can be easily formed into any shape and will securely adhere to clean surfaces. UL approved, permanently soft, nontoxic, noncorrosive to metals or plastics and asbestos free; sold in wrapped one or five pound packages.
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Sealing Compound
1 lb
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