1.The Distance of 2 Purlins must be as per the table given
The purlin must level up & cannot be distorted.
2. Cover lenght of Fore-and-aft Tiles : 300mm
3. Cover lenght of Right-and-left Tiles : 80mm
4. 8 Sets of Nails must be used in 1sq meter Tile
5. The slope gradient and the impact of perennial prevailing wind should be taken into C-consideration for advance tile lap joint
6. Do not overhang the fascia by more then 25mm
7. Store the goods in dry place under sheds