This multi-purpose leak sealer is easy to apply...just spray to instantly stop leaks all over your home! Spray this protective coating wherever small leaks occur, and they'll stop in an instant! Use Rescue 911 Instant Leak Sealer on roofs, chimney flashing, gutters and downspouts, plumbing and pipe joints...the spray leaves a firm coating that will adhere to most any surface and is impervious to water. This instant sealant ends leaks and seals cracks in metal, PVC, masonry, around roof vents and skylights, even in pools. Just spray it on; the seal is completely waterproof, stays flexible and is long-lasting. Rescue 911 Instant Leak Sealer won't freeze, crack, peel or sag, and has no CFCs. Plus this instant leak sealer seals out rust and corrosion. Rescue 911 Instant Leak Sealer is available in clear, black, white, or silver to coordinate with most home applications. 16-oz. aerosol can covers about 20 sq. ft. No air shipment. No express delivery. Rescue 911 Instant Leak Sealer can be used on: Any roof--residential or commercial Air conditioning and heating units Gutters and downspouts Plumbing and pipe works Chimneys Mobile homes Drip pans Duct work EDPM roofs and liners Roof vents Recreational vehicles