SEALS OUT WATER, AIR AND MOISTURE: Gorilla Waterproof Patch and Seal Spray is a flexible, rubberized coating that seals out water, air and moisture to stop and prevent leaks | EASY TO USE: The applicator nozzle has a controlled spray pattern providing a clean, even coat; Once applied, the self leveling formula smoothly covers small gaps and cracks ensuring a watertight seal | TEMPERATURE AND UV RESISTANT: When dried, Gorilla Waterproof Patch & Seal Spray is temperature and UV resistant resulting in lasting repairs (SERVICE TEMPERATURE: -40°F to 160°F) | PAINTABLE: Works with both latex and oil based paint; When coating with oil based paint, use a primer first before painting | USE ON: Roofs, Gutters, Skylights, Flashing, Chimneys*, PVC Pipe Joints, Windows, RVs, DIY Projects and More | GREAT FOR: Metal, Concrete, Wood, Aluminum, Brick, Tile, Fabric, Rubber**, Glass and More