Image of grey PROForms 16-inch FRP box beam.

Box Beam - 16"

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This is a non-stocked item, Contact Us for a quote.


Designed for heavy-duty specialty applications where an I-beam or WF-beam does not fit the requirements.

Size chart for a 16 inch Fiberglass Reinforced Plastic box beam.

Size in Inches Lbs./Lin. Ft.
16 x 4 x 3/8 11.41
16 x 4 x 1/4 9.00
Nominal dimensions shown. For greater detail, refer to the Design Guide or Contact Us for part drawings.