The Gorilla® 2 oz. gorilla glue is 100 percent waterproof, safe to use for indoor and outdoor. It is strong enough to stand up to the elements. It takes clamp time of 1 - 2 hrs, open time of 10 - 15 mins, dry time of 80 percent in 1 - 2 hrs and full cure time of 24 hrs. This water activated gorilla glue expands into materials to form an incredibly strong bond to virtually anything. This gorilla glue appears as light tan color when dry and is the best solution for almost any project or repair.