Correctly calculate the area of home decoration an

2022-07-22
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In home decoration, the most direct touch on the personal interests of consumers is the project cost. At present, the cost of home decoration projects generally consists of the following aspects: material costs, accounting for 30% to 60% of the total project cost; Labor cost, accounting for 20% - 30% of the total project cost; Design cost, accounting for 3% to 7% of the total project cost; The gross profit of home decoration company accounts for 10% - 25% of the total project cost

the items involved in home decoration are roughly divided into several parts, such as walls, ceilings, floors, doors, windows and furniture. In fact, there are many factors that affect the project cost, such as the price difference of materials, the difficulty of construction technology, and the amount of construction area, etc

I. calculate the floor area

the decoration materials of the floor generally include: wood floor, floor tiles (or stone), carpet, stair steps and handrails. The ground area is calculated in square meters according to the net area between walls, excluding the area occupied by partition walls, columns, piers passing through the ground and wall attached chimneys. The area of stair steps is calculated in square meters according to the actual developed area, and the area occupied by stairwells with a width of less than 30cm is not deducted; The length of stair handrails and balustrades can be calculated by multiplying their total horizontal projection length (excluding the part in the wall) by a factor of 1.15 to extend the meter

the length of other railings and handrails is directly calculated by the extension meter. There is no fixed requirement for the calculation of the area of furniture, which is generally subject to the customary practice in the quotation of each decoration company: statistics are made in the unit of extended meter, square meter or item. However, it should be noted that the unit of measurement of each kind of furniture should be consistent. For example, when making two wardrobes, there should be no phenomenon that one takes square meters as the unit of measurement and the other takes items as the unit of measurement

II. Calculate the wall area

the decoration materials of the wall (including the column surface) generally include: paint, stone, wall tiles, wallpaper, soft bags, wall panels, skirting lines, etc. When calculating the area, the material is different, and the calculation method is also different. The area of paint, wallpaper, upholstery and wallboard shall be calculated in square meters by multiplying the length by the height. The length is calculated according to the net length of the main wall; Height: if there is no dado, it is calculated from the indoor ground to the floor bottom, and if there is a dado, it is calculated from the top of the dado to the floor bottom; If there is a ceiling, add 20cm from the indoor ground (or the top of the dado) to the lower edge of the ceiling. The area occupied by doors and windows shall be deducted (1/2), but not the skirting line, hanging mirror line, the area of holes with a single area of less than 0.3 square meters and the area of the junction between the beam head and the wall. When inlaying stones and wall tiles, the actual paved area is calculated in square meters, and the installed skirting area is calculated according to the net perimeter of the interior wall of the house, in meters

III. calculate the top surface area

the decoration materials of the ceiling (including beams) generally include paint, ceiling, top corner line (decorative corner flower) and daylighting ceiling. The area of ceiling construction is calculated in square meters according to the net area between walls, excluding the area occupied by partition walls, columns, piers passing through the ceiling and wall attached chimneys. The length of the top corner line is calculated in meters according to the net perimeter of the interior wall of the house

IV. how to control the cost and save materials in home decoration projects

cost control and cost reduction are the most important issues that each owner considers when decorating the home. Due to the high and low economic strength, the investment of each household is also different, but there are several principles that can be followed

pay attention to the grade of decoration, which is the key to affecting the decoration cost. For example, imported toilets cost thousands of yuan, while domestic ones generally cost twoorthree yuan. The same is true of the price of faucets. For example, it costs about 10000 yuan to customize brand cabinets, while it only takes half to make kitchen utensils. Therefore, the owner should decide the decoration grade in advance in planning and design, and invest the limited funds within the scope of the plan

prioritize and spend money on important parts. For example, the living room can be the finishing touch, and some expensive and high-quality materials can be used for proper decoration. The bedroom is mainly quiet and clean, and there is no need to beautify it too much. For example, concealed works of water, electricity, gas and sanitation systems cannot save money and leave regret. Medium and high-grade materials should be selected; The floor tiles of the living room can be selected and high-grade, the floor tiles of the cupboard and bathroom can be medium-grade, and the floor tiles of the balcony are generally OK. In short, on the premise of ensuring the quality of decoration, choose affordable brand products

pay attention to the full and reasonable use of materials. The owner reminds the designer to arrange the materials reasonably to the greatest extent, and reminds the constructor to make full use of the materials reasonably, so as to jointly calculate carefully, save labor and materials, and reduce costs. Under the same decoration grade, save materials and achieve the purpose of cost control

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