Top 10 👏 OSI Gutter Parts & Accessories 5-fl oz Clear Synthetic Polymer Gutter Sealant 🌟

GS121 is designed for sealing around aluminum, galvanized and vinyl gutters and downspouts, sealing seam, joints and cracks in gutter troughs, and for use on sheet metal, air conditioning and heating ducts and ventilators. GS121 expands and contracts with temperature changes, cures to a tough rubbery gasket while remaining permanently flexible. Gs121 cleans up with mineral spirits.

• Permanently flexible, water resistant seal
• Seals most common gutter and downspout materials
• Expands and contracts with temperature changes
• Cures to a tough rubbery gasket
• Self-leveling; no is tooling required
• Mineral spirits clean up
• For use on gutters and downspouts
• Also available in a 10oz tube