... 2.Light weight,fire resistence 3.Use: platform, ladder, floor drain,etc. Specifications1) steel grating are widely used by various ... lot etc.2) steel grating may be applied to platform, floor, walkway, stair treads, trestle, fencing, drainage, trench cover, ... facility, etc.3) Light weight, great load-bearing capacity, non-slip and safe, easy installation, material-economic, sturdy and durable, ...