At Concrete Products all our sewer manholes are produced adhering to the highest quality standards and conform
to the latest revision of A.S.T.M. Designation C478. Non Magnetic series 304 Stainless Steel Korband and Pipe Clamps are utilized
to achieve maximum corrosion resistance.
Some other Features found in our Manholes
KOR-and-SEAL Joints exceeding A.S.T.M. C923 Specs
Monolithic Cast Base Section
Wet Cast Manufacture Method
Concrete Compressive Strength 4000 psi Type II Cement
Compliant Butyl or Synthetic Rubber Seals & Gaskets
Superior Resistance to the Elements
