How do I cover gaps and cracks? Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile is used to bridge gaps, cracks, seams, vents, protrusions... Related articles What if I don't want black as my final color? How long does Liquid Rubber Foundation Sealant take to cure? What temperature can I apply Liquid Rubber Foundation Sealant? Will sun have an effect on the Liquid Rubber Waterproof Sealant? Comments 0 comments Please sign in to leave a comment.