Industrial Grade 41mm PPGL Roof Sheets Featuring High Solar Reflectivity
Engineered for superior performance in industrial construction, our Pre-Engineered PPGL Steel Roofing Sheets deliver exceptional durability with 41mm corrugated profiles optimized for maximum structural integrity. Featuring a robust 120g/m² coating (PE/SMP/HDP options) over an AZ100-AZ150 galvalume base, these sheets exceed 1,000 hours in ASTM B117 salt spray tests to resist corrosion in coastal/industrial environments. The integrated anti-fingerprint nano-layer maintains aesthetic quality in polluted areas, while Class 1 color retention (ISO 12944) ensures long-term visual appeal. Certified for Class F wind uplift (ASTM D3161) and IBC 2018 seismic compliance, these sheets support spans up to 3.5m unsupported. Ideal for warehouses, factories, and agricultural buildings, they combine heavy-duty protection with industry-leading 25-year performance warranties.
Technical Parameters
| Parameter | Specification |
| Profile Height | 41mm (optimized drainage) |
| Coating Weight | 120g/m² (min) |
| Zinc Coating | AZ100-AZ150 |
| Sheet Thickness | 0.4-0.7mm (±0.03mm) |
| Sheet Width | 1,000-1,250mm |
| Tensile Strength | 340-550 N/mm² |
| Color Retention | Class 1 (ISO 12944) |
| Max Span | 3.5m (unsupported) |
| Thermal Reflectivity | 85% (EN 14509) |
Applications
Industrial Roofing Systems:
Corrosion-resistant standing seam roofs with enhanced load-bearing capacity for factories and warehouses.
Agricultural Storage:
SMP coating resists ammonia corrosion in livestock barns, with reinforced ridge caps for heavy snow regions.
Commercial Complexes:
Pre-painted sheets with fire-retardant cores (EN 13501 Class B) for shopping malls and office buildings.
Disaster Relief Housing:
Pre-cut 2.4m lengths with interlocking seams for rapid deployment in emergency scenarios.
Customization
Coatings:
PE (economical), SMP (15-year warranty), HDP (25-year warranty).
Colors & Textures:
100+ RAL shades + Woodgrain/Stucco embossing (slip resistance = DIN 51130 Class R10).
Edge Processing:
Mill edge or trimmed edge options with optional PVC edge protectors.
Special Features:
Anti-condensation backing for humidity control in tropical climates.
Packing and Shipping
Triple-Protection Bundling:
VCI anti-corrosion paper inner layer
0.3mm reinforced PE waterproof film
Steel-strapped wooden pallets (max. 5-ton capacity)
Climate Adaptations:
Desiccant bags (40g/m³) for humid regions
Thermal-insulated wrapping for sub-zero transport
Smart Tracking:
QR-coded labels with real-time GPS container monitoring.
FAQ
Q: Why choose 41mm corrugation?
A: Maximizes rainwater runoff capacity (+200L/min/m²) while providing optimal strength-to-weight ratio.
Q: Maintenance requirements?
A: Self-cleaning coating reduces maintenance to biennial inspections in normal conditions.
Q: MOQ for custom projects?
A: 15 tons standard, with 3-ton sample batches available for testing.
Q: Coastal performance guarantee?
A: 25-year anti-perforation warranty backed by ISO 9227 C5-M certification.
Q: Thermal efficiency data?
A: Reflects 85% solar radiation (reducing indoor temps by 8°C vs. standard GI sheets).
Q: Fire safety rating?
A: Achieves EN 13501 Class B-s1,d0 fire resistance with optional fire-retardant cores.
Q:What is your working time?
A:In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.
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