Morrison model 318L lightweight manhole cover is encapsulated in a new, high performance material. Built for moisture protection and chemical resistance, the long lasting encapsulating material, Line-X XS350, allows it to remain light weight, while still being effective and durable.

• High strength elastic protective coating is 3X stronger than a standard truck bed liner even at low temperatures
• Coating is also known to be used for blast and force mitigation in the Pentagon walls due to its superior strength
• 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
• Stainless steel handle/lift-lug combination
• 38 7/8 in. outside diameter