Pultruded gratings (on demand)

Pultruded Fiberglass Grating is manufactured by assembling two structural fiberglass shapes (cross and bearing bars) into a grid pattern. These bar shapes are made by a pultrusion process – a continuous molding process utilizing glass or fibrous reinforcement in a polyester or vinyl ester resin matrix. Selected reinforcement materials like glass strands, mat or cloth are drawn through a resin where the material is thoroughly impregnated with a liquid resin. The fibrous laminate is formed to a geometric shape (I) and pulled through a heated steel die. The laminate solidifies into the exact shape of the die cavity as it is being continuously pulled by the pultrusion machine. Pultruded grating provides performance far exceeding that of alternative products with a comparable installed cost. This advanced fiberglass grating is designed for use in a wide range of applications that require strength and corrosion resistance. Manufactured with a high percentage of glass within the laminate, pultruded grating combines urability with the highest strength and stiffness available in fiberglass grating. Pultruded grating can be used with confidence in applications where wide support spans are required.

Using both mechanical and chemical lock, pultruded grating is manufactured with two-piece cross bar configuration which increases the panel’s support and stability under load. The standard grit-top walking surface provides sure footing and a protective synthetic veil, covering the exterior surface of the load bearing bars allows the grating to reliably withstand constant exposure to ultraviolet rays.

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