Henry® 480 Stop Leak®

100% Silicone Spray Sealer

A premium, easy-to-use, 100% silicone aerosol leak sealer. Formulated to provide a permanent leak-proof seal on a variety of surfaces.

This multi-purpose leak sealer waterproofs and protects gutters, skylights, flashing, roofs, rvs, campers, windowsills, foundations, boats, cars, concrete, glass, metal and more.

100% silicone technology creates a waterproof seal

Stops leaks fast and permanently on a variety of surfaces

Rain-safe in 15-minutes. 1-coat application. Wide application temperature range from 2 °C to 38 °C (35 °F to 100 °F)

Coverage=up to 0.93 m2 (10 square feet) per canister per coat