In case your selection is usually a Pultruded construction sort, choose the bearing bar height and best flange width (calculated in inches) and bearing bar shape (I-Bar in inventory) on the Fiberglass Grating Stair Tread Panel in your software. Stock panels have 2" wide integral nosing on a single facet https://2-inch-metal-stair-nosing42334.blogdeazar.com/18480448/how-amstep-exterior-stair-nosing-can-save-you-time-stress-and-money