- High build formula that seals leaks and cracks instantly
- Can be top-coated with latex or oil based paints
- LeakSeal dries to a semi-smooth, firm finish that will not sag or drip
- Great for gutters, roofs, flashing, ductwork, PVC, masonry, concrete and more
- Rust and moisture resistant applies for superior protection from leaks and cracks
Rust-Oleum LeakSeal Flexible Rubber Coating is an easy to use, rubberised protective utility coating designed to fill and seal leaks and cracks. It provides a water-tight, flexible seal that prevents moisture penetration, rust and corrosion.