Rust-Oleum Leakseal is an easy to use, rubberized protective utility coating designed to fill and seal leaks and cracks. Limited overspray, instantly fills and seals leaks and cracks, provides a water-tight seal that prevents moisture penetration, rust, and corrosion. Multi-surface or multi-purpose use, for use on metal, aluminum, galvanized metal, PVC, concrete, masonry, asphalt roofing materials, vinyl siding, fiberglass, and more, excellent filling and building capability, will not sag or drip.
- Dries to a semi-smooth firm finish
- Coating will not sag or drip
- Can be top-coated with latex or alkyd based paints
- Great for gutters roofs flashing ductwork pvc drains masonry concrete and more
- Can actively build to fill gaps small holes and cracks