| | | Multi-wall Polycarbonate Hollow Sheet |
| | | |
| | | Typically 2-wall (twin-wall) with vertical ribs |
| | | 2100 mm x 5800 mm (Customized) |
| | | Clear, Opal (Milky White), Bronze, Grey, Blue, Green |
| | | UV-protection layer (co-extruded on exterior side) |
| Physical & Structural Properties | | 1.3 - 1.7 kg/m² (approx. 0.31 - 0.35 lb/ft²) |
| | | Virtually unbreakable (> 850 J/m) |
| | | |
| | | |
| | | 1.4 m minimum (175 x thickness) |
| Thermal & Optical Performance | Light Transmission (Clear) | |
| | Light Transmission (Opal) | 45 - 50% (diffused light) |
| | | > 99.9% UV blockage (UV layer on exterior) |
| | Thermal Conductivity (U-value) | |
| | Heat Insulation Coefficient (R-value) | |
| | | |
| | | UL94 V-2 / B1 (Self-extinguishing) |
| Installation & Compatibility | | Minimum 5° recommended for rainwater runoff |
| | | Butyl tape for top edges, EPDM/foam tape for side laps |
| | | Self-drilling/tapping screws with thermal washers |
| | | Standard polycarbonate H, U, and F-profiles |
| | | 150 - 200 mm (roof applications) |
| Comparison with Alternatives | | 50% lighter, 35% better thermal insulation, slightly less light transmission |
| | | 20% more rigid, 15% better insulation, similar weight |
| | | 20% lighter, slightly less insulation, lower cost |
| | | 1/16 the weight, 200x impact resistance, better insulation |