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Get it between 2024-12-12 to 2024-12-19. Additional 3 business days for provincial shipping.
Permanently Flexible, Water Resistant Seal
Seals Most Common Gutter and Downspout Materials
Expands and Contracts with Temperature Changes
Cures to a Tough Rubbery Gasket
OSI GS121 Gutter & Seam Sealant is composed of high quality resins and polymers which cures to form a tough, rubbery seal. This seal expands and contracts with the change of weather and temperature without cracking. Formulated especially for sealing aluminum, galvanized and vinyl clad gutters and downspouts.