What is the cost difference between painting the wall and not painting it?

It is very important that many things need to get good results. The cost difference between painting and not painting the wall will determine our uncomfortable future. Finally, we have to decorate the house back and forth, so you should spend more time understanding the wall decoration materials after we determine the budget list.

1, wall area calculation

Wall decoration materials (including cylinder) are generally as follows: the cost difference between painted and unpainted walls, paint, stone, tile, wallpaper, soft bag, wallboard. Different materials have different calculation methods when calculating the area. The area of paint, wallpaper, soft bag and wallboard is multiplied by the length, and the unit is square meters. According to the length of the long side calculated by the net length, the height is calculated from the bottom of the tea ceremony; The ceiling operator (or vertex tea) of floor-to-ceiling room increases 20 cm along the ceiling edge.

Subtract the area occupied by doors and windows (2), the cost difference between wall painting and non-painting, but do not subtract the area of the bottom plate, light rail, 0.3m2, and the area of a single gap in the beam area of the transfer head wall. The "square" of carnallite and brick is calculated based on the actual storage area, the area of installation substrate and the net internal boundary in meters.

2. Calculate the top area

The ceiling (including lamps) is generally decorative coatings, and the cost difference between painted and unpainted walls is Dinggu Line (decorative horn) ceiling lamp, etc. The ceiling structure occupies the net area between the ceiling and the wall area, the partition wall passes through the chimney and the wall area enters a "square" without wall deduction. The length of the edge line is calculated in meters according to the net outline of the interior wall of the house.

3. Calculation of floor space

Floor decoration materials usually include: wooden floor, brick (or stone), carpet, stair treads and handrails. The net floor area between walls is "square" standard, and the partition wall is not subtracted, and the column is occupied at the bottom, with chimneys and chimney walls attached.

Long railings and handrails can be the total length of the horizontal projection of the wall (excluding the wall part), which can be calculated according to the actual area without subtracting the occupied area of the stair tread width. Rice's calculation coefficient is 1. 15.

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