VRFG™ 36″ x 36″ frame & grate. Slip Resistant Surface with the LLLL® registered trademark. Reversible frame, use as top or bottom flanged. Stock item. Sold as a set or as individual frames or grates. Solid covers may be available. H-20 traffic rated when properly installed in reinforced concrete. Uncoated cast gray iron frame, ASTM A48 CL35B or better, AASHTO M306-10 (M105). Uncoated cast ductile iron grate, ASTM A 536, grade 80-55-06, unless otherwise specified. Use uncoated iron to drain into creeks, rivers & waterways. Open areas listed in grate descriptions (flow data must be calculated by a qualified engineer) Made in USA. LEED® certifications available on request. Please use the contact form or call us to request info & submittal sheets.
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