Easy to work with- simply shake, point, and fill- for beautiful, fuller waterfalls. Expanding Black Foam redirects water flow over rocks, filling in cracks and voids, to create a professional looking waterfall. Also helps secure stone edging and contain gravel on bog shelves. Professional grade, expanding cellular polymer made expressly for water gardening. Contains high carbon content for increased outdoor UV resistance and long term durability. Formulation is closed cell, and will not harden or shrink. Blends discretely into liner and rock, and bonds easily to rock work.
This item ships via UPS Ground
Simply spray the foam where needed. Remember that it expands to seam the rocks together. This can is a one time use only. Once it is opened, it cannot be stored.
Need more foam? Buy the same product in a 31 oz. can (foam gun required). Building your waterfall, pond or stream? Buy an installation kit for all the products together in one kit.