Our most durable wood glue, this Ultimate formula is 100% waterproof and incredibly strong, but still easily cleans up with water. It is great for outdoor applications where temperatures or moisture might be a concern, as well as interior projects that could benefit from the extended working time and high strength. Our ultimate formula dries the natural color and is both sandable and paintable. Click the Gorilla link at the top of the page to see more Gorilla Tough products.