Tough, expanding, sticks to everything glue. Expands 3 times into the materials to form an incredibly strong and temperature resistant bond that holds through hot and cold temperatures. Ideal for indoor and outdoor applications. 100% waterproof and doesn't break down when exposed to outdoor elements. Gorilla Glue is known for its industrial holding power and versatility, regardless of the surface. Easily bonds wood, stone, metal, ceramic, foam, glass, concrete and much more. Clamp time is 1-2 hours.