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Recently, many consumers have asked about the calculation method for the area of ​​wall paint, wall tiles, etc. in the decoration of their own homes. This problem is also the calculation of the amount of decoration works frequently mentioned by the insiders in the decoration industry.
The wall area calculation method is confusing <br> Many consultants want the correct answer to the following questions: First, is the area of ​​wall paint 3.5 times the floor area? Second, does the calculation of the wall area include doors, windows, and radiators, etc.? Third, multiply the wall area and multiply it by 1.1 times.
The reason why consumers are puzzled by the above three issues is that the current calculation of home decoration projects is actually a lot of algorithms, and each decoration person who gives you a calculation can give a lot of reasons to explain this calculation method. The rationality. And it often occurs that the disputes are caused by the difference between the two parties' calculation of the quantity of work.
Wall area cannot be multiplied by ground 3.5
A few days ago, a consumer reported that she was looking for a very small home improvement company to decorate. She said in advance that when a project was accepted, she would make a settlement on the total amount of the project, and then settle the project money. At the end of the project, both parties took out their own calculations of the amount of the project, but found that the difference in the amount of work between the two parties on the main project (mainly on the wall of the coating calculation results) as much as 35%.
The result is of course a dispute between the two parties. Several consultations failed to resolve the issue and both parties were very stiff. The construction party said that they used 3.5 times the ground as the wall area, and according to the other party that they had the specifications of the relevant departments as the basis. In fact, this 3.5 times is due to the popularity of wallpapers in Beijing's home improvement walls in previous years. Therefore, when the consumers or builders purchase wallpaper, the seller is convenient for calculation, and it is also for the loss during construction. In the calculation, within the purchase quantity, the floor area is multiplied by 3.5 as the number of wallpapers that need to be purchased, so that there will be no shortage of quantity after the wallpaper is bought back. However, this is only a calculation method for the purchase of wallpaper, and it is not a method for calculating the wall area. Therefore, if the contractor uses this method when calculating the wall area, it is wrong.
>>> Link: Expert Reminder: Correct Calculation Method for Home Improvement Area
Conventional Wall Calculation Method <br> Let's take a look at how the construction area of ​​the regular home improvement company's wall is calculated. For most of the regular companies, the calculation of the engineering quantity is very strict, and most of the calculation of the engineering quantity is the practice of seeking truth from facts.
Let's take an example. The quotations or bills lodged by a regular company to customers are basically deducting the wall area occupied by the heating hood on the wall area of ​​the project. The method of deducting the area of ​​the door and window hole is generally halved. In other words, they will calculate the size of the door and window openings in half the area. This method of calculating the amount of work is currently used by most of the regular home improvement companies. For the customer, it is more fair. The reason why it is relatively fair is mainly because the work of workers in the openings of doors and windows is relatively difficult, but the overall price is unified, so the area here is generally taken into account taking into account its rationality.
There is no uniform standard for engineering quantity calculation. <br> Currently there is no unified method for quantity calculation of home improvement projects. This may be due to the fact that the time for home decoration is still relatively short, and many normative things are still being explored. For the decoration of the consumer, the engineering quantity calculation method that directly affects the engineering quotation is encountered. The author suggests that it can be solved in two ways:
The first method, if the decoration company's quotation is based on the current reference price of Shanghai, it can be considered to calculate the amount of the project in accordance with the method of deducting half the area of ​​the door and window;
The second method, if the decoration company's offer is lower than the current reference price of Beijing home decoration, it should allow the decoration company's project volume calculation to be multiplied by 1.1 according to the actual area, that is, the amount of the project is the actual area of ​​1 .1 times.
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