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.

• High strength elastic protective coating... 3X stronger than standard truck bed liner! (Even at low temperatures)
• Meets H-20 load rating
• Exceptional barrier against moisture and chemicals
• Strong surface adhesion characteristics—won’t peel or separate
• Slip-resistant surface
• Extended service life

Round manholes with bolted and gasketed cover. Used for access ports in driveways where limited access and/or water-resistant conditions are required. Bolts are standard hex head stainless steel, except for the 418 18"x 12 and the 18"x18" which uses a flat head screw. Gaskets are Buna-N. Meets H-20 load requirements.

Features "TANK MONITOR" text for UST leak detection. Bolt down and gasket style.

44-1/4" Roto-Lock w/Recess Handle

Assures even pressure in the UST/AST during filling or dispensing operations.

• All cast metal construction
• Easy installation with 2 set screws
• Flame retardant 40 mesh bronze screen
• Conforms with NFPA-30