Most durable construction 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. Requires only 20-30 minutes of clamp time and fully cures in 24 hours. Dries to a natural color, no foam. Sandable and paintable.