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KARNAK Corp. has introduced 671 Karna-Seal Silicone White Roof Sealant, a single-component, moisture curing, 100% silicone roof sealant that offers excellent UV resistance, flexibility, and tensile strength.
671 Karna-Seal resists weathering, hardening, chalking, and cracking. The sealant is touted as being three times stronger than others, and includes:
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