During the renovation, various construction materials will spend a lot of energy and money. Floor tiles, wall tiles, wooden floors, paints, wallpapers, etc., are all materials that are indispensable for decoration. For ordinary owners, how much is the right amount to buy is most difficult to calculate? Buy more, waste, buy less, not only have to run again, it may delay the construction period. For some owners who need to purchase materials themselves, buying materials is indeed a problem. To this end, experts give you details on the calculation methods for several common decoration materials, and hope to give you some help.

Wall paint slightly different brand usage

The calculation of different coating dosages is slightly different. In general, the wall coating used for home improvement is 5L/barrel, and the theoretical amount of about 24 square meters can be painted three times. The calculation method is: the total area of ​​the wall and the top surface is 24 square meters = the total number of primers and finishes required. According to the ratio of 1:2 of the primer and two coats of primer, topcoat and topcoat, you can figure out how much primer and topcoat each one needs.

However, experts have warned that the specific coating area of ​​various paints is slightly different. It is necessary to calculate according to the brushing area recommended by a specific brand at the time of purchase, and dilution with water in accordance with the prescribed ratio may have the best effect.

Brick loss is related to the shape of the house

Living room floor tiles common specifications for 600mm × 600mm or 800mm × 800mm, under normal circumstances the loss of tiles is 5%, but now more bricks and large bricks, loss increases, the general loss of 10%. The loss of the floor tiles is closely related to the length, width and shape of the room. If there are corners, arcs, etc. in the room, there will be more irregular bricks, more bricks to be cut, and more losses. Take a 600mm x 600mm brick in a living room with an area of ​​20 square meters as an example. If it is 2 meters wide, then 2m/0.6m = 3 is still more than 200mm, which means increased loss. Experts believe that the most accurate calculation method is to draw bricks.

Calculation method 1: The worker determines the row of bricks according to the size of the tiles and the size of the room, and counts the number of bricks on the row of bricks.

Calculation method 2: room area ÷ tile area × (1+10%) = required number of bricks.

Take the example of bricks of 600mm×600mm in a 20-square-meter room, the area of ​​each brick is 0.36 square meters, and 20 square meters/0.36 square meters/block=55.5 pieces, plus 10% of the loss, actually set the bricks It is 55.5 blocks + 55.5 x 10% = 61 blocks.

Wall tiles don't forget door and window cover area

The specifications of common wall tiles are 250mm×330mm, 300mm×450mm, and 300mm×600mm. Since the probability of damaging later wall tiles is relatively high, it is recommended that owners should reserve 2-3 tiles in addition to normal wear and tear for later use. Paved when damaged. If it is damaged late and no tiles are reserved, it may not be possible to find bricks of the same color and affect the decoration effect.

Calculation method 1: According to the size of the brick and the size of the room to determine the row of bricks, the number of bricks in the row of bricks.

Calculation method 2: wall area ÷ area of ​​each brick × (1 + 5%) = required number of bricks. In this calculation method, the area of ​​the wall surface must be the area after removing the area of ​​the door and window openings, but plus the area of ​​the doors and windows. For example, in a room with four walls, there is a door on one wall and a window on one wall. The area of ​​the doors and windows is the multiplication of the length and width of the doors and windows, and the area of ​​the doors and windows is the length and width of the doors and windows, which are each multiplied by the width of the mouth and the area is added.

Take an example of a wall covering an area of ​​18 square meters and paving a 300mm x 450mm wall tile. The area of ​​each block is 0.135 square meters, and 18 square meters/0.135 square meters/block = 133.3 blocks, plus 5% Loss, the actual number of bricks required is 133.3 blocks + 133.3 x 5% ≈ 140 blocks.

As for the flowers in the wall tiles, the number of blocks needs to be determined according to design requirements. The waistline is the length of the room divided by the length of the waistline. In addition, the loss of 4-5 waistlines per room is basically enough.

Small stone loss does not have to be specially calculated

For the owners who choose to lay stones, since the stone is generally directly customized according to the size of the site and is not required to be cut on site, the owner does not have to calculate the amount of stone.

In addition, stone pavements are less depleted, mainly due to damage during construction.

Wood floor real area plus loss can be

The loss of the floor is generally 3%-5%, and the method for calculating the amount is relatively simple. If the actual area of ​​the room is 20 square meters, 20 square meters + 20 x 5% = 21 square meters of floor is required.

Grout tile size and gap width determine usage

The amount of caulking agent depends on the size of the tile and the width of the gap: In general, because the length of the gap is increased due to the small tiles, the smaller the tiles, the more the amount per square meter; in addition, the wider the gap between the tiles. The more grouts you need.

The specific calculation method of grout is: [(brick length + brick width) / (brick length × brick width)] × slit depth × slit width × 1.7 = usage per square meter (kg), in which the seam depth is generally 3 - About 5mm, the width of the seam depends on the tile, in which the gap of the antique brick is relatively widest. The owner calculates the required amount of the seaming agent per square meter according to the specifications of the brick he chooses, and then multiplies it by the square of the required brushing. In meters, the total amount of grout can be calculated.

Calculate the number of rolls required by wallpaper

The average wallpaper is 10 meters long and 0.53 meters wide. In a room with a door and window, first measure the width of the wall without doors and windows on both sides; for walls with doors and windows, measure the width of the wall except the width of the doors and windows. The average room height is more than 2.6 meters, and each roll of wallpaper 10 meters can only be cut 3, equivalent to a roll of wallpaper can be attached to the width of 1.59 meters. Therefore, the total wall width required for wallpapering is 1.59 meters (3 widths per roll) = the actual number of rolls used. The remaining part of each roll of wallpaper can be used to stick to the window below or above the door.

Curtain window size determines curtain size

Before calculating curtain material, first determine the size of finished curtain according to the specifications of the window. The finished curtains shall cover the left and right sides of the window frame by 0.15m, and shall be provided with double folds on both sides. In addition, the curtains must be 15-20 cm from the ground when installed.

Curtain calculation method: (window width + 0.15 × 2) × 2 = finished curtain width, finished curtain width ÷ cloth width × curtain height (from the curtain box to the height of 15-20cm from the ground) = curtain fabric required.

Paints and coatings Purchasing window Room paint Wallpapers Painted living room floor tiles Living room floor tiles Antique floor tiles Antique floor tiles Ceramic tiles

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