Ponds, tanks, raceways, and other aquaculture facilities often require lining materials. Reef Industries Inc. manufactures Permalon®, a uniquely engineered alloyed polyethylene cross-laminate. This patented product offers excellent physical properties, outstanding service life, and is non-toxic to fish. High strength and high-performance Permalon® materials are available in stock configurations for immediate availability or can be custom fabricated to your specific requirements including drop-in configurations. Custom, three-dimensional liners in cylindrical or rectangular shapes are available to fit or retrofit your structure.