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? Can I build my final membrane all at once? Carport Flat Roof Is this product good for adhering to wood. I'm looking to waterproof a 1/2 whiskey barrel for ponding ? How come it feels tacky? Is it cured? Comments 0 comments Please sign in to leave a comment.