Many people like to bargain when they are building a house to buy materials. They think about how to make the merchants cheaper, but they ignore the problem of consumption at a low price. Buying more waste, buying less is not enough. Hearing the foreman's fear of his flickering, listening to the store guide shopping is afraid that he will lie, the owners will often be exhausted for these in the building materials market. In fact, it can be easily done with a few simple formulas. Help everyone save money mode below:
Main material calculation method:
Paint latex paint:
The coating of paint latex paint is basically divided into 5 liters and 15 liters.
Taking the 5 liter capacity commonly used in the home as an example, the theoretical painting area of ​​5 liters is 35 m2 twice.
Rough calculation method: floor area *2.5/35=number of barrels used
Accurate calculation method: (length + width) * 2 * room height = wall area
Length * width = top area
(wall area + top area - door and window area) / 35 = number of barrels used. Take a room with a length of 5m, a width of 3m and a height of 2.9m as an example. The indoor wall and the top brushing area are calculated as follows:
Wall area: (5m + 3m) * 2 * 2.9m = 46.4m2
Top area: (5m * 3m) = 15m2
Coating amount: (46.4+15)/35m2=1.7 barrel
Brick:
Common floor tile specifications are 0.6*0.6m0.5*0.5m, 0.4*0.4m, 0.3*0.3m
Rough calculation method:
Room area / floor tile area * 1.1 = number of bricks used
Accurate calculation method:
(room length / brick length) * (room width / brick width) = number of bricks
For a room with a length of 7m and a width of 5m, a floor tile of 0.3*0.3m is used as an example. The length of the room is 7m/the length of the brick is 0.3m=24 pieces. Room width 5m / brick width 0.3m = 17 blocks
Length 24 * width 17 = total bricks 408
Tips:
The floor tiles will have a loss of about 3% in the paving.
Ground stone
The calculation method is almost the same as that of the ceramic tile, except that the loss during cutting and handling is larger than that of the ceramic tile, and the loss is about 4.2%.
wallpaper:
Common wallpaper specifications are 10m long and 0.53m wide
Rough calculation method: floor area *3 = total area of ​​wallpaper
The total area of ​​the wallpaper / (0.53 * 10) = the number of wallpapers
Accurate calculation method:
Wallpaper length per roll / actual height of the room = number of components used
Room perimeter / wallpaper width = total number of units used, total number of units used / number of components used = number of volumes used for wallpaper.
Tips:
When calculating the amount of wallpaper, subtract the height of the skirting board and the top line. In addition, the door and window area should also be subtracted from the usage.
This calculation method is suitable for wallpapers of plain or fine flowers. The collage of wallpapers should consider the flower, the larger the pattern, the greater the loss. Therefore, buy about 10% more than the actual amount.
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