Since 1976 AP/M has helped cities, engineers and contractors select the best tool for each different manhole problem with its PERMACAST® system of structural cement liners, coatings, structural polymers, cured-in-place liners, chimney seals, channel liners, and more! In 1996, it introduced its ConmicShield® additive for long term, internal corrosion protection of concrete. Since it is added during mixing, it is not a surface treatment that can wear off or delaminate! Now CentriPipe® is available for trenchless, structural lining of large diameter culverts and sanitary pipe. All technologies, equipment and materials are offered exclusively through its network of contractors and cities throughout the World.
The Ruthman Company Mission is to achieve through continuous improvement the highest quality of products and services. Ruthman Companies ensures that every employee, vendor and subcontractor shares a common goal of quality and reliability at an affordable price. Ruthman Companies values...
CentriPipe® Pipe Lining System-- provides a cost-effective, NO DIG solution for structural lining of culverts using its patented bi-directional spincaster to centrifugally compact a precision liner at the best design thickness for the size, shape and conditions of deteriorated pipe. It inhibits... Read more
PERMACAST® Structural Liners are made of specially formulated fiber reinforced cements engineered for underground sewer structures. Design specifications aid in the selection of the best material for each particular problem. Our systems are installed by our factory trained and certified network... Read more
ConShield® is a revolutionary additive for concrete that stops the corrosion from hydrogen sulfide. (MIC) microbiological induced corrosion is the most common source of corrosion in concrete in the sanitary sewers. Cities are quick to realize that precast pipe and manholes with ConShield® added... Read more