HQ Address: 2440 West Majestic Park Way, Tucson, AZ 85705
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Wastewater Manhole Rehabilitation & Liner

Carbon Fiber Reinforced Liner with Hydrogen Sulfide Resistant Coating

Problem vs Solution
  • Wastewater effluent released hydrogen sulfide gasses leading to sulfuric acid corrosion
  • Manhole shell was severely corroded down to soil is some locations
  • Active infiltration had to be stopped with CrackSeal™ Injectables
  • ChemSeal™ Protective Liner was designed in conjunction with CarbonSeal™ to fully restore integrity and provide a durable liner
  • Service life was extended 25 years


See the before and after photos below.