Sertifikasi
Sistem Rangka Atap
Sistem Rangka Atap
| 1. Jarak reng maksimum 61 cm |
| 2. Antar overlap 17 cm (8,5cm - 8,5 cm) |
| 3. Jarak antar lembaran 1 gelombang |
| 4. 19 buah paku tiap lembar (9-5-5) |
| 5. Jarak maksimum overhang 7 cm |
