Our lightweight manholes are encapsulated in a new high performance material. The Morrison engineered laminate has been encapsulated with long life, tougher than a bedliner, polyurea elastomer, built for moisture protection and chemical resistance.
Features
- High strength elastic protective coating - 3X stronger than standard truck bed liner
- Meets H-20 load rating
- Exceptional barrier against moisture and chemicals
- Strong surface adhesion characteristics--won't peel or separate
- Coating is so strong it's used to provide blast and force mitigation on Pentagon walls
- Slip-resistant surface
- Extended service life
Construction Details
- Handle/lift-lug combination: stainless steel
- Pry plate: stainless steel
- Ring set: 3/16” steel angle iron
- Skirt: 12 gauge steel
- Cam assemblies: Nylon and stainless steel
- Gasket: Polyisoprene rubber
