This glue has a high strength and versatility. It is 100% Waterproof and has an Incredible Foaming Power. Gorilla Glue is great for Indoor and Outdoor uses; as well as Paintable, Stainable, and Sandable. Gorilla Glue is the multi-use tool to have in every junk drawer. Works on Wood, Stone, Metal, Ceramics, Foam, Glass,Brick, Concrete and More Ideal for most household fixes and buildingrepairs, indoor or outdoor Won&';t break down when exposed to moisture A little goes a long way; foam expands 3-4 times,then penetrates surface for added strength Unaffected by extreme heat or cold Makes for easy finishing