Treads for stairs made from pultruded fiberglass grating products. Related Articles: Pultruded Fiberglass Grating vs. Molded Fiberglass Grating: Which Is Right for Your Needs?Glossary: Bearing Bar ShapeFiberglass Covered GratingHeavy Duty Fiberglass GratingFiberglass Grating« Back to Glossary Index No category July 6, 2018 admin Comments are closed