In home decoration, the most direct contact with the consumer's personal interests is the project cost. In fact, there are many factors that affect the project cost, such as the difference in the price of materials, the ease of construction process, and the construction area of ​​the project and so on. The method of calculating the construction area is rule-based and relatively simple.
The projects involved in home decoration are roughly divided into several parts such as walls, ceilings, floors, doors, windows and furniture.
Decorative materials for walls (including cylinders) generally include: paint, stone, wall tiles, wallpaper, soft packs, wall panels, baseboards, and the like. When calculating the area, the material is different and the calculation method is different. The area of ​​paint, wallpaper, soft packs, and wainscots is multiplied by height by length. The unit is calculated in “square metersâ€. The length is calculated based on the net length of the main wall; height: no wall skirts are counted from the indoor floor to the floor floor, and the skirts are counted from the apex of the skirt to the floor of the floor; the suspended ceiling is counted from the interior floor (or the apex of the skirt) to the ceiling Along the increase of 20cm. The area occupied by the doors and windows shall be deducted (1/2), but the area of ​​the hole and the area where the beam head meets the wall shall not be deducted from the base area of ​​the baseboard within 0.3 square meters.
The decorative materials of the ceiling (including beams) generally include paints, ceilings, vertices (decorative flowers) and lighting ceilings. The area of ​​the ceiling construction is calculated in terms of “square meters†of the net area between the wall and the wall. The area occupied by the partition wall, the column passing through the ceiling, the lintel and the chimney attached to the wall is not deducted.
Floor decoration materials generally include: wooden floors, floor tiles (or stone), carpets, stair treads, and handrails. The floor area is calculated as "square meters" based on the net area between the wall and the wall. The area occupied by the partition walls, pillars passing through the ground, concrete walls, and chimneys attached to the walls is not deducted. The area of ​​stairways is calculated as "square meters" according to the actual development area, and the area occupied by staircase wells within 30cm in width is not deducted; the lengths of staircase handrails and railings can be multiplied by the total horizontal projection length (excluding the inner wall portion). The coefficient 1.15 is calculated as "extended meters."
The length of other railings and handrails is directly calculated as “extended metersâ€. There are no fixed requirements for the calculation of the area of ​​the furniture. Generally, the customary practice in the quotation of the decoration companies prevails: use the "extended meters", "square meters" or "items" as the unit for statistics.
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