PMA Complete Manhole Lining System
Manhole bases incorporating PREDL precasted baseliners have always been the perfect combination. The PMA manhole system is the next evolution in a completely corrosion and infiltration/exfiltration protected manhole system.
Includes:

• Installed at the precast facility;
• Polypropylene or FRP baseliner;​
• Polypropylene Corprotect riser and cone sections;
• Water Tight: Patented joint lining system with an integrated sealing mechanism and embedded load transfer gasket that remains flexible in the event of structural movement or shifting;
• Gas Tight: Corrosion Protection pH 2-12
• ​NO FIELD WELDING
  

IDEAL SOLUTION FOR:

• ALL sanitary sewer applications;
• Areas with high water table and traditional infiltration issues on concrete infrastructure

---