FRP C Channel: Light weight,high strength Ladder material,anti-corrosion Well insulated,low maintenance FRP C ChannelFRP ... insulation, power development and telecommunications, communication tower etc, such as ladder rails, step stringers, horizontal supports, pump housing units, columns when placed ... B (mm)T1 (mm)Weight (kg/m) FRP Channels502040.5650 (2”)3040.7075252.50.67101 (4”)286.351.66127 (5”)456 ...