What if I don't want black as my final color? Liquid Rubber Waterproof Sealant now has a new version of colors. Related articles Is Liquid Rubber Waterproof Sealant safe for drinking water? How should I prepare the surface before applying Waterproof Sealant? What is Liquid Rubber Foundation Sealant used for? Can Waterproof Sealant be applied to Styrofoam? Comments 0 comments Please sign in to leave a comment.