1. Pay attention to the structure type of the roof, the tile structure is still colored steel tile, etc.
2. Prepare the necessary measurement and inspection tools.
3. Understand the necessary information of the building and obtain the structure drawing of the house, which is conducive to the calculation of specific parameters such as roof load.
4. Detect the orientation and orientation of the roof, the angle of inclination, etc.
5. The size of the roof structure, such as tile type, tile size, main beam, purlin size and spacing, etc.
6. Fully survey the surrounding environment of the building, such as obstructions, etc.
7. Understand the future planning between regions to facilitate the long-term application of the support system.