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Industries Using Fiberglass Grating

DeltaPlate & DeltaGrate Covered Plate Grating

Many applications require a solid flooring for a variety of reasons, such as odor control in a wastewater plant, an offshore drilling mud room, or possibly for safety reasons to prevent small objects from falling through the floor to the level below. For these instances, Delta has two solutions: DeltaPlate Structural Plate and DeltaGrate Covered Plate Grating.

DeltaPlate Structural Plates are offered in thicknesses ranging from 1/8” to 3/4”, and three choices of plate surfaces are available: checkered-top finish, gritted-top finish, or smooth-top finish. Thicker plates can be custom ordered. DeltaPlate is offered in all of the same resin systems as our DeltaGrate High Strength Compression Molded Grating products and provide the same corrosion resistance features.

DeltaPlate can be bonded to our DeltaGrate High Strength Compression Molded Grating, creating a structural flooring that is 25-30% stronger than our standard DeltaGrate High Strength Compression Molded Grating. DeltaGrate Covered Plate Grating offers all of the attributes as DeltaPlate, but with much higher load capacity. The standard thickness of the DeltaPlate utilized in the covered plate grating is 1/8”, however, customized thicker plates can be incorporated.


Delta Composite Structures, LLC (Delta) is a leading supplier of fiberglass reinforced plastics. Products include molded and pultruded grating, handrail systems, platforms, ladders, structural members, and custom products for numerous industries. Delta’s in-house engineering, drafting, estimating, and customer service teams ensure a solution to any fiberglass structural challenge.


  • How Safe and Ergonomic are the products?

    Delta Fiberglass products offer essential benefits in providing a safe work environment, some of which include the lightweight factor that reduces the risk of strain or injury during installation, while the slip resistance feature helps to prevent falls.

  • Low Cost with Great Return on Investment

    Lighter weight results in less shipping costs and less manpower. In addition, durability, chemical resistance, and reduced maintenance are just some of the factors that will provide savings through the long-life of Delta fiberglass products.

  • How do I keep track of routine maintenance?

    With resin and pigment blended throughout our fiberglass products, you will never need to coat or paint the product. Coupled with our corrosion resistant attachment system, Delta provides maintenance-free walkway systems.

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