* High strength* Durable bond* 100% waterproof* Expands into materials* Ideal for indoor and outdoor useRenowned for its incredible strength and versatility, Gorilla Glue expands into materials to create a durable bond which is 100% waterproof and resistant to extreme temperatures.The water activated polyurethane formula expands into materials to form an incredibly strong bond to virtually anything, making Gorilla Glue the perfect solution for a wide range of projects, both indoors and out.