OSI Quad Max Window Door Siding Sealant Caulk 10oz

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Discover the First Line of Defense Against the Elements. OSI QUAD MAX siding & window sealant delivers the toughness that really makes a job last. QUAD MAX is the next generation of siding and window sealants, providing maximum durability and superior application performance for use in any condition.

Recommended by the Pros for the Pros, QUAD MAX siding & window sealant is designed for sealing around interior/exterior windows, doors, and siding. It bonds to a wide variety of materials without the need for a primer such as fiber cement, cedar, brick, stone, coated aluminum, fiberglass, vinyl, PVC, stucco, EIFS, wood, glass, and flashing tapes, and Kynar coatings.

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