Suspended ceilings are charged according to the room size or by the ceiling area

Generally speaking, it is calculated by meters, and the width is generally 40CM, if it is calculated by the square, the owner can suffer a loss, and the labor cost of each place is not the same, according to the type of work in each place, the daily wage of large or small workers.

Usually the ceiling is calculated according to the area, and the area of the column and the stack must be deducted, but because of the column and the stack, the difficulty and workload of the ceiling have increased, so the price will be higher when encountering special-shaped.

It is by the meter, generally according to the size of what you make, and the price varies.

It can be calculated by projected area or by area. If it is a linear reflective roof, it is calculated by area, and the area refers to the bottom surface plus (the size of the distance between the ceiling and the roof) and then multiplied by the total length to obtain the area of the ceiling, and the area of the ceiling is calculated, in fact, it is the area of gypsum board, such as 20 square meters is 4 5, and the calculation method is 4 (square meters.

Your main question is who is the loss, right? It's very simple, the wool comes out of the sheep, and you have to pay enough to do it. According to the net size, the price per square meter is high, and according to the gross size, the price per square meter is low, it depends on how you agree. >>>More