What Is FRP and When Should I Use It

Author: Marie

Aug. 09, 2022

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Fiberglass reinforced plastic (FRP) grating is an industrial flooring used in a wide range of industries. It is typically found on sidewalks and elevated platforms.

FRP grating is extremely durable, non-corrosive and non-conductive, which often makes it a safer alternative to other flooring materials that are traditionally used in harsh and high-risk environments.

In this article, we'll learn how FRP grating is made, some of the benefits of using it, and where you might find it commonly found.

How is FRP grating made?

FRP grating is made from a combination of fiberglass and resin. The fiberglass gives the finished product its strength, while the resin makes it resistant to corrosive substances.

What Is FRP and When Should I Use It?

What is the difference between molded and pultruded FRP grating?

Molded FRP grating is a grid consisting of horizontal and vertical layers of liquid resin and continuous fiberglass roving. As the name implies, it is made from large metal molds.

The multi-directional strength of molded FRP grating means that no additional reinforcement is required to make room for ductwork or to navigate cutouts for complex floor layouts. Another advantage of molded FRP is that it is available in standard sizes and can be ordered in bulk and stored until needed.

Pultruded FRP grating uses a different manufacturing process. It takes resin and fiberglass and combines them in a series of steps to form a new composite material.

It does not use molds, so there is greater flexibility in creating different shapes and sizes. And there is usually less waste. Pultruded FRP grating has a higher glass-to-resin ratio, increasing its strength and span capacity.