Rust-Oleum LeakSeal is an easy to use, rubberised protective utility coating designed to fill and seal leaks and cracks. Features and Benefits Provides a water-tight, flexible seal that prevents moisture penetration and corrosion Dries to a semi smooth finish - will not sag or drip Can be top-coated with latex or oil-based paints Typical Applications Designed to fill and seal leaks and cracks on metal, aluminium, galvanised metal, PVC, concrete, masonry, asphalt/bituminous roofing materials, vinyl siding, fibreglass, and more Notes Colours: transparent, aluminium, black and white Size: 500ml