We got you covered™ with trench frames, grates & covers of cast gray or ductile iron. H-20 traffic rated when rails are properly installed in reinforced concrete. 6″ to 24″ widths by 24″ long grates and 4′ (foot) long frame rails. Stock items. ADA pedestrian grates, solid covers, bolted grates, bolted covers & vane (directional flow) may be available on special orders. 27″ to 48″ wide grates and covers may be available on special orders. Check individual items for traffic rating & ASTM data. Open areas are listed in grate descriptions (flow data must be calculated by a qualified engineer) Before installing see installation tips. Beware of poor quality imports insist on products made in the U.S.A. Please use the Contact Form or call us to request info & submittal sheets. 1-800-258-2278 Toll Free (972) 263-1360 DFW Local.
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