Charleston contractors, are you using the # 1 selling liner for small diameter pipes?, Perma-Lateral™ Lining System is the # 1 selling small diameter pipes lining system. This system is performed using the # 1 selling liner; Perma-Lateral™ Scrim Liner. This stretch-resistant liner measures at 3MM and is PVC coated with patented polyester scrim reinforcement. This liner has a flat, flexible strength layer of cross-hatched fibers, a flat flexible support of felt base made from non-woven fabrics and these layers are sandwiched between a sealing layer and a barrier layer. This non-woven liner has a needle punched felt, with a stitched and taped seam. Charleston, if you want to know more about the # 1 selling liner and system for small diameter pipes, call us today!