Specification :

Steel grating is a heavy-duty, pedestrian-friendly steel grating that can handle most wheel traffic. This grating comes in two span lengths: short span and long span. The short span series are designed to span up to 3 feet. The long span series can span up to 8 feet.
Wheels and heels is constructed with 1/ 4 inch thick steel bearing bars. The long span series also contain 3/ 16 inch filler bars which are alternated with the bearing bars. The bearing ( and filler bars) are welded in place to produce a remarkably strong grating.