AmeriLux 12' Clear Polycarbonate U-Channel (6 mm)

On all polycarbonate multiwall sheets, the flutes must be sealed at the top and the bottom to ensure that the sheets remain clean, clear and aesthetically pleasing. Using this U-channel on the tops of multiwall sheets puts a stop to water, dust, debris and bugs from entering the flutes and getting inside the sheets. The U-channel can also be used at the bottom of the sheets, but weep holes need to be drilled every 12" to allow condensation to drain from the flutes. If the condensation is not able to drai...