How is the thickness of a liner determined for a specific application?
In the case of landfills, U.S.E.P.A. mandates that all landfill liners must be 60 mil or thicker. Poly-Flex 40 mil geomembranes are preferred for landfill closures. The liner thickness is determined by the project engineer based on the project site specific conditions. • How are Poly-Flex liners held in place on side slopes? The most common method of securing the liners on side slopes is by means of an anchor trench around the perimeter. The batten strip or the PEC embed channel systems are used to attach the liner to structures. Please refer to the Poly-Flex Design Details located in Technical Information • How steep can side slopes be designed for Poly-Flex lining applications? The side slopes can be designed as steep as 90° or a vertical wall. • Should Poly-Flex liners be used as reinforcement (structural) membranes? No. Poly-Flex geomembranes are not reinforced materials and should not be used as structural membranes to carry loads. • What are interface friction angles? Interface f