Material Composition | Holiday estates, coastal buildings | Industry Standard: Basic galvanized steel (20 µm zinc coating) Our Base: Aluminum + steel composite (30 µm zinc + 0.8mm stone coating) Our Advanced: Triple-layer resin-reinforced alloy (50 µm zinc + 1.2mm stone coating) | ▲ Advanced: 40% lighter than steel (ISO 3801: 285 GSM) Corrosion resistance (ASTM A153) | ▲ Base: 20% heavier than Advanced (ISO 3801: 350 GSM) Higher upfront cost vs basic steel |
Noise Reduction | Urban homes, offices | Industry Standard: 38 dBA (typical metal roofing) Our Base: 35 dBA (ASTM E90) Our Advanced: 32 dBA (ASTM E90 + acoustic underlayment) | ▲ Advanced: Quieter than a refrigerator (35 dBA) | Limited effectiveness in high-wind areas without underlayment |
Fire Resistance | Commercial buildings, wildfire zones | Industry Standard: Class B (ASTM E108) Our Base: Class A (ASTM E108) Our Advanced: Class A + self-extinguishing coating (ASTM E108) | ▲ Base/Advanced: Meets NFPA 268 for flame spread | No difference in fire resistance between Base and Advanced in non-wildfire scenarios |
Weight & Installation | Renovations, historic structures | Industry Standard: 4.5 kg/m² (steel) Our Base: 3.8 kg/m² (composite) Our Advanced: 3.2 kg/m² (resin-reinforced) | ▲ Advanced: Reduces roof load by 30% (ISO 10545) | ▲ Base: Requires more frequent fasteners vs Advanced |
Durability | Coastal regions, high-wind areas | Industry Standard: 15-year warranty (ASTM B117 salt spray) Our Base: 25-year warranty (ASTM B117) Our Advanced: 30-year warranty + UV protection (ASTM G154) | ▲ Advanced: Withstands 2,000 hours of UV exposure (ASTM G154) | Warranties void for improper installation |
Aesthetic Customization | Architectural projects, luxury homes | Industry Standard: 5 color options Our Base: 12 colors + glaze finish (RAL certified) Our Advanced: 20 colors + stone-coated texture + embossed patterns | ▲ Advanced: Mimics natural stone (ASTM C1313) | Custom colors add 15–20% to lead time |