Now the rapid development of science and technology, a lot of advanced equipment has been widely used, high quality PPGI corrugated roofing sheet is also so, with excellent performance, has been recognized by the industry, the following takes you to understand in detail.

PPGI corrugated roofing sheet area calculation rules:
1. Outdoor stairs and walkways are calculated according to the sum of natural projection areas;

2. The volume area is calculated by the length and width of the outer wall and multiplied by the number of floors;

3. Total area =1+2+3;

4. The canopy is calculated by half of the horizontal projection area;

5. Unless otherwise specified, the calculation method of engineering quantity shall be settled in accordance with the above calculation formula;

6. There are two stairs in the standard house, each one of the left and right gables. Each stair is 4.5 square meters.