Why do Poly-Flex liners have wrinkles?
Polyethylene liners expand and contract as the sheet temperature changes. This thermal expansion/contraction will cause the liner to grow or shrink with variance in temperature. • Are Poly-Flex liners available in any other colors than black? Yes. Poly-Flex liners are available in white/black. A white, or reflective liner reduces heat buildup and minimizes wrinkling. For other colors contact Poly Flex, Inc. • Are Poly-Flex liners immune to root penetration? Poly-Flex liners resist root penetration. However, some vegetation, such as nut grass, could penetrate the liners. We recommend that the subgrade soils be prepared to be free of roots and organic material. • Are Poly-Flex liners immune to attack by rodents? Poly-Flex liners are generally immune to rodent and insect attack because they contain no plasticizers or scrim source proteins, which are sometimes present in other synthetic liners. • What method is used for joining Poly-Flex liner panels together? Poly-Flex liner panels are jo
