PVC Roofing Sheets (Base) | Residential sheds, temporary structures | - Material: PVC (RoHS compliant) - Thickness: 0.5–0.55mm (ISO 3801) - Waterproof: 100% impermeable (ASTM D3359) - Fire Resistance: Class B (ASTM E84) | ▲ Lightweight (1.5kg/m²) ▲ Cost-effective Easy installation | Lower UV resistance (50% degradation in 5 years) Less impact-resistant (ASTM D3029: 100J impact) |
PVC Roofing Sheets (Advanced) | Commercial roofing, greenhouses | - Material: PVC + UV coating - Thickness: 0.6mm (ISO 3801) - Fire Resistance: Class A (ASTM E84) - Impact Resistance: 200J (ASTM D3029) | ▲ 2x longer UV lifespan (10+ years) ▲ Higher load-bearing capacity | Slightly heavier (1.8kg/m²) Higher cost than Base |
Polycarbonate Roofing Sheets | Industrial skylights, high-impact areas | - Material: Polycarbonate (ISO 1043) - Thickness: 3–6mm - Impact Resistance: 1,000J (ASTM D3029) - UV Resistance: 90% light retention (ASTM G154) | ▲ 20x stronger than glass ▲ 90% light transmission Excellent UV stability | Expensive (2x PVC) Thermal expansion challenges |
Metal Roofing Sheets | Commercial buildings, industrial roofs | - Material: Galvanized steel/aluminum - Thickness: 0.4–0.6mm - Fire Resistance: Non-combustible (ASTM E119) | ▲ Long lifespan (50+ years) High durability Recyclable | Conductive (risk of corrosion/heat transfer) Heavy (3–5kg/m²) |
Fiberglass Roofing Sheets | Marine environments, corrosive areas | - Material: Glass-reinforced polyester - Thickness: 2–4mm - Chemical Resistance: ASTM D543 compliant | ▲ Corrosion-resistant Lightweight (2kg/m²) Customizable colors | Brittle (prone to cracking) Lower impact resistance (ASTM D3029: 150J) |
Asphalt Shingles | Residential homes, low-slope roofs | - Material: Asphalt + fiberglass毡 - Thickness: 3–5mm - Waterproof: ASTM D3462 compliant | ▲ Affordable (entry-level) Traditional aesthetic Easy to repair | Limited lifespan (15–20 years) Low UV resistance (degrades in 5–10 years) |