900mm corrugated roofing sheet 900mm corrugated roofing ...
Corrugated steel sheet ( Roofing sheet ) is a building material composed of sheets of hot-dip galvanized mild steel or Galvalume steel cold-rolled to produce a linear corrugated pattern in them. The corrugations increase the bending strength of the sheet in the direction perpendicular to the corrugations but not parallel to them.
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