How do I cover gaps and cracks? Liquid Rubber Seam Tape is used to bridge gaps, cracks, seams, vents, protrusions... Related articles How should I prepare the surface? Do I have to coat Liquid Rubber Seam Tape? How does it seal? How long does Liquid Rubber MetalSafe Sealant take to cure? What is Liquid Rubber MetalSafe Sealant used for? Comments 0 comments Please sign in to leave a comment.