Gs121 Gutter & Seam Sealant, Clear, 10-oz.

OSI, 10 OZ, GS121, Clear, Gutter & Seam Sealant, Seals Aluminum, Galvanized & Vinyl Clad Gutters & Downspouts, High Quality Resins & Polymers Form A Tough Rubbery Seal That Expands & Contracts Without Cracking.

• Permanently Flexible, Water Resistant Seal
• Seals Most Common Gutter and Downspout Materials
• Expands and Contracts with Temperature Changes
• Cures to a Tough Rubbery Gasket