15" Mar Mac PolySeal Coupler

Mar Mac PolySeal couplers are external seals for HDPE/HDPP pipe. High strength, reinforced pipe couplers that seal and restrain corrugated culvert pipe. Manufactured with multiple layers of rubberized mastic reinforced by shear and puncture resistant woven material. Internalized compression bands instantly seal and lock the coupler into the corrugations of the pipe. The rubberized mastic is formulated to adhere aggressively to all known pipe surfaces. Integrated compression bands mechanically seal and form a permanent bond to the pipe wall. Woven polypropylene component that provides shear and puncture resistance. The minimum length of the coupler is the circumference of the outside diameter of pipe to be repaired and an additional eight inches (8") for overlap. Three layers of rubberized mastic (0.180" thick) with a sheet of strong puncture resistant woven polypropylene with an outside backing of cross-laminated polyethylene resistant to acids and bases. Flexible, strong, infiltration proof and exfiltration resistant. PolySeal should be stored carefully in their original packaging, out of direct sunlight and protected from the elements.