Product Description Tough, expanding, sticks to everything glue. Gorilla Glue is a 100% waterproof glue, safe for indoor and outdoor use and strong enough to stand up to the elements. Incredibly strong, 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