Aluminum Bar Grating, Aluminum, 6063, Square, 36 in Overall Length, 36 in Overall Width, 0.188 in Bearing Bar Thickness, Top Surface Smooth, Bearing Bar Spacing 1 1/4 in, Cross Bar Spacing 4 in, Weight 2.46 lb/sq ft, Standards ISO 9001:2015 Certified, Minimum Temperature Not Applicable, Maximum Temperature Not Applicable, Application Marine, Mezzanine Floors, Sewage and Waste Treatment Plants, Walkways, For Use Indoors/Outdoors Outdoor, Includes Mounting Hardware Mounting Hardware Not Included