Description

Osi Gs121 gutter and 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.

• Permanently flexible, water resistant seal
• Seals most common gutter and downspout materials
• Expands and contracts with temperature changes
• Cures to a tough rubbery gasket