... of the boards such as light steel keel, u channel, t bar,screw, jonting tape and so on.Our ... indeformable,Waterproof, moistureproof, without mouldy effect,Acid and alkali resistance, corrosion resistance,Sawable, drillable, and easy to apply Specification:1 type:standard ... etc 4)Jointing compound:Size:15kg/bag 5)Main channel,furring channel,U track etc. Notes:Products of different dimensions can ...