Bar Grating Aluminum 6063 Rectangle 6 ft Overall Length 4 ft Overall Width 0.188 in Bearing Bar Thickness Top Surface Serrated Bearing Bar Spacing 1.188 in Cross Bar Spacing 4 in Weight 3.01 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 Deflection @ Unsupported Length See Load Table For Use Indoors/Outdoors Yes