Do I have to coat Liquid Rubber Seam Tape? Yes, the paintable seam tape will begin to break down from UV over time. Related articles How does it seal? What does Liquid Rubber Seam Tape stick to? How should I prepare the surface? Can I seam 2 pieces of epdm (rubber pond liner) with the Liquid Rubber Seam Tape? Is this product good for adhering to wood. I'm looking to waterproof a 1/2 whiskey barrel for ponding ? Comments 0 comments Please sign in to leave a comment.