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Galvalume corrugated roofing sheet is a sheet that has a coating of zinc, silicon, and aluminum. All these coatings protect the metal and are the primary form of the steel made of oxidation. It protects the base metal and sacrificial metal coating.
Research indicates that Galvalume roofing could last as long as 50+ years in the right environment without any extreme corrosion. This makes Galvalume an excellent choice for home and property owners looking to buy a roofing system that won't need to be replaced every 10-15 years, like asphalt shingles
Standard | AISI, ASTM, BS, DIN, GB, JIS,CGCD1 |
Grade | SPCC/SPCD |
Thickness | 0.12—0.8mm |
Width | Before Corrugated:762-1250mm After corrugated:600-1100mm |
Length | 1-12m(customized) |
Coating | AZ30-185g/m2 |
Color | Blue, Green,Yellow, Golden(Anti-Finger Print) |
Normal Shape | Wave, Trapezoid, Tile, etc. |
Spangle | regular spangle,minimal spangle, zero spangle,big spangle |
Package | standard export package |
Galvalume is more corrosion-resistant than galvanized steel, but because aluminum provides barrier protection instead of galvanic protection, scratches and cut edges are less protected. Galvalume is offered in both bare and pre-coated versions. Most Galvalume–like galvanized steel– is coated.