Tough, expanding, sticks to everything glue. Incredibly strong and ideal for indoor and outdoor applications, gorilla glue is known for its industrial holding power and versatility, regardless of the surface. 100% Waterproof: doesn't break down when exposed to outdoor elements Versatile: easily bonds wood, stone, metal, ceramic, foam, glass, concrete and much more Incredibly strong: expands 3 times into the materials to form an incredibly strong bond Temperature resistant: bond holds through hot and cold temperatures Clamp time is 1-2 hours