Rust-Oleum LeakSeal Spray

Rust-Oleum LeakSeal SprayRepair and prevent leaks on a wide range of demanding surfaces with Rust-Oleum LeakSeal Spray. This rubberized coating seals cracks, fills small holes and provides firm-but-flexible protection against moisture and rust on surfaces that need it most.Great for gutters, roofs, flashing, ductwork, PVC, masonry, concrete and moreSeals leaks and cracks water-tightPaintable finishFor Best Results:Perform a test spray on cardboard to get a feel for the spray pattern.