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What is MainSaver? Why Rehabilitation? Benefits Technical Envelope Installation MainSaver is specifically designed for the "trenchless" rehabilitation of water mains from 4 to 12 inches (100 mm to 300 mm) in diameter. MainSaver uses a medium-density polyethylene liner that is pulled into the host main and held in place with a specially formulated cement grout. MainSaver is NSF Certified for contact with potable water and is suitable for use in steel, cast iron, ductile iron, PE, PVC, concrete and asbestos cement pipes. learn more >> Ideal for 4 - 12" Pressure Pipes
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