Tonmatpan R-SPEC9 civil roofing sheet is a 9-wave roofing sheet product with 1 corrugated iron side + 1 specialized aluminum foil side combined with a PU (Polyurethane) insulation core to help the roof be durable and have optimal heat insulation and noise reduction.
Application: civil works
| Criteria | Unit | Size | Tolerance |
| Length (Maximum) | mm | Not limited | |
| Size | mm | 1030 | ±2 |
| Effective size | mm | 980 | ±2 |
| Product thickness | mm | 20/37; 20/52; 20/39 | ±2 ~ ±5 |
| Middle insulation layer | PUR | ||
| Thickness of top sheet metal | mm | 0.30/0.35/0.40/0.45 | ± 0.02 |
| Thickness of bottom foil layer | mm | 0.07 ÷ 0.08 |
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