They are zinc-coated, hot-dip, grooved steel sheets obtained by cold deformation using a series of rollers, pre-painted in red (RAL 3002, 3020) on one side.
Supplied in packages of 2.5 to 3.0 tons or in units (minimum package of 10 pieces).
In the roofing of houses, warehouses, industrial plants, etc.
JIS G3312 Grade SGCH, FULL HARD, Zinc Coating Z90, chromate treated appearance.