the main channel size:30mm-30mm-18mm
furring channel size:15mm-15mm-47mm
thickness: from 0.4mm to 1.0mm.
length:from 2.5m to 3.5m
this kind of ceiling channel are very easy for installation.
we drive the screw into plasterboard and to the bottom surface of the furring channel,this way we can connect the plasterboard with the Furring channel together.
We use machines to press the galvanized steel band and make different size, and cut into different shape and length as required. They are elegant, rust proof, fade proof, acid and alkali resistant and durable.