Our History

Affiliated with the Cretex Companies, Inc., Cretex Speciality Products, located in Waukesha, Wisconsin, has been providing quality manhole solutions since 1983.

  • Offering solutions and cost savings for inflow and infiltration with our Chimney Seals.
  • Developing quality products that stand the test of time with our 25 and 50 year warranty.
  • Creating the most superior manhole grade adjustment systems available anywhere, the most advanced alternative to concrete grade rings.

A pioneer, developer and industry leader providing you with manhole solutions meant to seal the deal and stand the test of time. Contact us or call 800-345-3764.

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    Designed to stand the test of time Only Cretex Specialty Products offers a

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