Seal hull seams on wooden boats with this easy to apply compound.Effective and easy to use. No mixing or priming. Adheres to most solid surfaces-wet, dry or oil-stained. Can be applied under water.Key Features Wax, pure mineral products, silicate fibers Wood boat underwater seam compound Seams are paint- ready in 30 minutes Easily cleans up with mineral spirits 16oz. jar (enough for typical boat under 20')