... , or ADA compliance is required. Safe-T-Span pultruded gratings are offered in a variety of panel sizes, depths, ... Durability:Superior durability to Stainless Steel, Aluminum, and Galvanized Gratings, especially in highly corrosive environments.(4).Strength:50%higher ... is better in anti-slipping.4.Others About pultrusion Gratings pultruded gratings are manufactured with a high percentage of glass, ...