1. Calculate the wall area:

Decorative materials for walls (including cylinders) generally include paint, stone, wall tiles, wallpaper, soft packs, siding, baseboards, etc. When calculating the area, the materials are different and the calculation methods are different. The area of ​​paint, wallpaper, soft pack, and siding is multiplied by the length, in square meters. The length is calculated according to the net length of the main wall surface; the height: no wall skirt is calculated from the indoor floor to the bottom of the floor; the wall skirt is calculated from the apex of the wall skirt to the bottom of the floor; the ceiling canopy is counted from the indoor floor (or the apex of the wall skirt) to the underside of the ceiling Add 20 cm along the edge. The area occupied by doors and windows should be deducted, but the angle of the corner line, the hanging mirror line, the hole area within a single area of ​​0.3 square meters and the area where the beam head and the wall face are handed over are not deducted. When stone and wall tiles are inlaid on the wall, the area of ​​the installation is calculated in square meters, and the area of ​​the installation angle plate is calculated according to the net perimeter of the inner wall of the house, and the unit is meter.

2. Calculate the top surface area:

The decorative materials of the ceiling (including the beam) generally include paint, ceiling, corner line (decorative corner flower) and lighting ceiling. The area of ​​ceiling construction is calculated according to the net area between the wall and the wall in “square meters”. The area occupied by the partition wall, the columns passing through the ceiling, the raft and the wall-mounted chimney are not deducted. The net perimeter of the wall is calculated in meters.

3. Calculate the floor area:

The decorative materials on the ground generally include wooden floors, floor tiles or stone, carpets, stair treads and handrails. The floor area is calculated in square meters by the net area between the wall and the wall, without deducting the area occupied by the partition wall, the columns passing through the ground, the raft and the wall-mounted chimney. The area of ​​the stair tread is calculated in square meters according to the actual unfolded area, and the area occupied by stairwells with a width of less than 30 cm is not deducted. The length of stair railings and railings can be calculated according to their full horizontal projection length (excluding the length of the wall), multiplied by a factor of 1.15 to extend the meter, and the length of other railings and handrails is calculated directly by the length of the meter.

4. There is no fixed requirement for the calculation of the area of ​​furniture. Generally, the customary practice in the quotation of each decoration company shall prevail. Generally, meters, square meters or items are used for statistics. However, it should be noted that the measurement unit of each type of furniture should be consistent. For example, when two wardrobes are used, one cannot be measured in square meters, and the other is measured in terms of “items”.

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