OSI 1939148
For all gutters, downspouts, heating and AC ducts and other seams in sheet metal surfaces. Cartridge has convenient 3 in spout. Use to seal seams, joints and cracks.
California residents see Prop 65 WARNINGS
- Permanently flexible, water-resistant seal
- Seals most common gutter and downspout materials
- Expands and contracts with temperature changes
- Cures to a tough rubbery gasket