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The core of fiberglass walkway grating lies in its construction. It is composed of a matrix of resin infused with glass fibers, which provides exceptional strength-to-weight ratio. The grating is typically made through a process called pultrusion, where continuous glass fibers are pulled through a resin bath and then formed into the desired shape. This manufacturing method ensures that the final product is both strong and dimensionally stable.

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The primary component of fiberglass floor grating is the fiberglass roving, which is essentially a bundle of continuous glass fibers. These fibers are soaked in a thermosetting resin, such as polyester, vinylester, or epoxy, which hardens when cured, forming a rigid and durable grid pattern. The open-grid design of the grating allows for the passage of light, air, and water, making it ideal for environments where drainage and visibility are crucial.

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