FOR: ROOF ONLY
| QUALIFICATION | 15 mm. | 25 mm. | 40 mm. | 50 mm. | |
| Minimum thickness of roof (mm.) | 0.23 | ||||
| Maximum thickness of roof (mm.) | 0.60 | ||||
| Minimum thickness of Facing Sheet (mm.) | 0.23 | ||||
| Maximum thickness of Facing Sheet (mm.) | 0.35 | ||||
| Purlin distance when used with facing aluminum foil, PVC (m.) | 1.25 | 1.35 | 1.45 | 1.55 | |
| Purlin distance when used with metal sheet (m.) | 1.25 | 2.50 | 2.25 | 2.45 | |
| Screw length (mm.) | 12-14x65 | 12-14x75 | 12-14x85 | 12-14x95 | |
| Maximum length of roof per sheet (m.) | Roof slope | Recommend length | |||
| 5° | 30 | ||||