In order for the rainwater to flow down nicely, the recommended roof slope angle is 10o minimum.
The recommended length overlap is 200mm. The recommended maximum overhang distance is 100mm. The recommended maximum purlin distance is 800mm.
Trimdeck: 1 corrugation
Roma: 1 1/2 corrugations
Greca: 1 corrugation
WEATHER SEAL INSTALLATION
Pre-drill the holes at range of 3 mm from the diameters of fastener to allow thermal expansion during noon time and contraction at night.
When mounting bolts, the bolts must be on the top arch and aligned in the same row to back.
- Alderon RS Roma: Install bolts on waves 1, 4, 6 and 9. While wave 11 overlaps with the next sheet.
- Alderon RS Greca: Install the bolts in waves 1, 4 and 7. While wave 10 overlaps with the next sheet.
- Alderon RS Trimdeck: Install the bolts on waves 1 and 3. While wave 5 overlaps with the next sheet.