Advantages of profile steel
1.The roof and the bottom beam are made from the galvanized profile steel that is produced by using the technique of one-step cold-bending.
2.One-step integration of roof gutter and top beam.
3.Protruded bottom beams avoid the back flow of rainwater.
4.Integration of roof gutter and top beam, instead of using the welded channel steel .Avoiding the leakage and corrosion.
5.Long life guarantee.
6.360-degree interconnection at the roof center seam, 3 degree~5 degree slope of ridge.
7.Four corners of house are equipped with water pipes.Convenient drainage and avoiding the rainwater leakage.