Fiberglass Grating

fiberglass-grating inventory in warehouse Fiberglass Grating (FRP)

Marco Specialty Steel is a premier supplier of superior fiberglass grating products. Fiberglass grating is an excellent choice for applications requiring corrosion resistance, fire prevention and non-electrical conductivity. Lightweight and easy to maintain, fiberglass grating products also offer remarkable aesthetic appeal, which is why it is the preferred grating material in architectural applications.

 The Two Primary FRP Grating Manufacturing Processes

As a leading fiberglass grating supplier, Marco Specialty Steel offers top-quality FRP grating products featuring the two primary manufacturing processes: open molding and pultrusion.

molded fiberglass; fiberglass gratingOpen Molding

Molded fiberglass grating is the older of the two processes. This type of FRP grating is available in square and rectangular grid patterns and provides equal strength in both directions.

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Our molded grating product offerings include:

  • Phenolic (Type P): The best choice for applications requiring maximum fire resistance and low smoke emissions such as oil refineries, ships and train decks.
  • Vinyl Ester (Type V): Developed to withstand the harsh chemical environments found in chemical, waste treatment and metal plating plants.
  • Isophthalic Polyester (Type 1): A good choice for environments where chemical splashes and spills are a common occurrence.
  • Food Grade Isophthalic Polyester (Type F): Ideally suited for food and beverage industry environments that are exposed to harsh cleaning chemicals.
  • General Purpose Ortho Polyester (Type O): Cost-effective alternative to vinyl ester and isophthalic polyester products.

Fiberglass grating; pultruded fiberglassPultrusion

Pultrusion is continuous molding process that makes use of glass or fiber reinforcement formed in a polyester or vinyl ester resin matrix. Produced by assembling fiberglass cross and bearing bars into a grid pattern. Marco offers pultruded grating in two standard resin systems that comply with Class 1 Flame Spread Rating in accordance with ASTM E-84 test standards. You can choose pultrusion molding in either a T-Bar or I-Bar profile. Read more…

We Specialize in FRP Grating

We feature a wide assortment of fiberglass reinforced plastic (FRP) grating products. FRP is a precise combination of thermosetting plastic resins and glass fiber that offers the corrosion resistance and other desirable properties listed above. FRP grating is frequently used in the manufacturing of a large assortment of products including stair treads, platforms, covered gratings, trench covers and drain covers.

We Offer Custom FRP Products

A key reason why so many companies in industries such as refining, drilling and food and beverage choose Marco Specialty Steel as their FRP grating distributor is our ability to provide custom fiberglass products. We have our own fully equipped in-house fabrication shop where we can customize any of our stock products to your specifications. We can produce everything from skewed or curved cutouts to special shapes with speed and efficiency. We can even work with your own drawings and blueprints to create the custom fiberglass products that meet your unique requirements.

Contact Marco Specialty Steel to Explore Your Fiberglass Grating Options

We invite you to contact Marco Specialty Steel today to learn more about the wide range of fiberglass product options. We’ll also be happy to provide a no-obligation fiberglass grating quote.

Marco Specialty Steel: Quality. Speed. Reliability.