... 2.Length :according to customers' requirement many kinds of corlor steel roof tiles1) MODEL 3/5”-7”-34”(15-173-850/865mm ... kraft paper or according to you want.6) Usage: wall & roof, used at industrial & civil constructions like warehouse, storerooms,garage, exhibition ... -seismic performance, anti UV, keep goodcondition for long time. corrugated steel sheet for roof tiles