Pack of 4 OSI Sealants 1868684 9.5 oz Quad Max Window, Door and Siding Sealant, White

The OSI Quad Max 9.5 oz White Window, Door, and Siding Sealant is designed for both exterior and interior applications, providing a reliable seal for windows, doors, and siding. This advanced sealant bonds to a wide variety of materials without the need for a primer, including fiber cement, cedar, brick, stone, coated aluminum, fiberglass, vinyl, PVC, stucco, EIFS, wood, glass, concrete, masonry, and flashing tapes. The Quad Max formula delivers strong adhesion and flexibility, making it ideal for sealing gaps and joints exposed to weather and temperature changes. Its white color blends seamlessly with most surfaces, ensuring a clean, professional finish. The 9.5 oz size is convenient for both small repairs and larger projects, and the easy-to-use cartridge fits standard caulking guns. Whether you are working on new construction or repairs, this window, door, and siding sealant helps prevent air and moisture infiltration, enhancing energy efficiency and durability. Choose OSI Quad Max for a dependable, long-lasting seal on your next project.