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GMI Composites Inc. excels in providing complete composite manhole cover and frame systems. Patented design features and advanced fiber reinforced polymer (FRP) material technology make GMI composite products strong, lightwieght and safe for everyone.

Safety for both pedestrians and utility employees has driven GMI to produce the safest manhole cover possible. Composite manhole covers will conduct neither stray voltage nor high heat shielding pedestrians from the underground environment. The advanced ergonomic aspects of composite manhole covers and frames help to safeguard the municipal workforce from injuries.

Structurally GMI composite manhole systems perform well in excess of AASHTO H-20/25 standards, with 100,000 lb ultimate load performance, and can be engineered for the extreme loading applications. 

GMI was the first company in the United States to design and manufacture a composite manhole cover for the utility and petroleum markets, and has been proudly manufacturing top quality composite access covers in the USA for the last 20 years.  GMI is number one in the market, supplying fiberglass reinforced composite covers to utilities and municipailties across the country.  Field performance has proven that composite manhole covers are ideal for the most challenging environment.  Be sure to ask for GMI Composite Access Covers by name, the safest, strongest and lightest manhole cover and frame system.

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GMI Composites Infrastructure Products Newsletter

 

 

 

 

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GMI Composites Inc. News Release

  EJ Acquires Majority Ownership of GMI Composites, Inc. Infrastructure access solutions...

Composite Materials Used to Restore a Michigan Bridge

A mid-Michigan highway bridge has been under close watch by the Michigan Department of...

WZZM 13 GMI Composite Manhole Covers

MUSKEGON, Mich. (WZZM) - A Muskegon-area company says it has a lighter, safer way to cover manholes...
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GMI Composite Covers
1355 Sherman Blvd.
Muskegon, MI 49441
phone: 877-755-1611
fax: 231-755-1613
info@gmi-covers.com
GMI

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