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Black Waterfall foam bonds and seals waterfalls, streams, or walls above and below water level. Triple-expanding foam can be used on natural or artifical rocks. Dries in 20 minutes, cures in 24 hours even to wet surfaces. Fish-safe UV protected. Includes application straw for single use. Approx yield: 1/4" bead = 1760 feet. 3/8" bead = 780 feet. 1/2" bead = 440 feet.
Foam will not stick to Teflon, Silicone or Polyethylene