fiberglass frp U channel, C channel, fire-resistant, UV-protection, Chemical resistant ... cable bracket, anti-slip…Our already model pultrusion U channel details as below: and we can produce it ... as your own design U-channel #A (mm)B (mm)T (mm)Weight ... .41919888155115198835515411014080105850111504010448512150458374413178606.35369014203559.55798 Fiberglass frp U channel, C channel