A 120 square meter new home
1. The total area of ​​ceilings and walls is 260 square meters. How much latex paint is required?
2. The two shoe cabinets with self-made shutters are 0.9 meters long, 0.3 meters wide and 1 meters high. How much paint is needed?
3. The self-made bookcase is 4.4 meters long and 2.4 meters high, with a row of glass doors in the middle. How much paint does the bookcase need to be brushed off?
Ceiling and wall paints
According to the calculation of the brush, one kilogram of latex paint can brush about 10 square meters of wall surface. To calculate, 1/10 kilograms of latex paint is needed for every square meter of wall surface.
The total area of ​​the ceiling and walls is 260 square meters. According to the brush calculation, it takes about 260*1/10=26 kg. In general, the ceiling and the wall surface need to be brushed twice, so the amount of latex paint that Mr. Xu uses to paint the ceiling and wall is about 26*2=52 kilograms.
Self-made shoe paint
Calculate the amount of paint used in homemade shoe cabinets in the following two ways
Method one: Calculate the number of panels used in the shoe cabinet
According to the calculation of the brush, 1 kilogram of paint can brush about 15 square meters of panel, which means that 1/15 kilograms of paint is needed per square meter of panel. So how many panels do the part of the shoe need to be painted? Let's assume that we use X panels. A panel has an area of ​​about 3 square meters. If we press the brush again, the paint volume of the shoe is about 1/15*3*X kg. According to the "three bases and two sides" calculation, the amount of primer and top coat is multiplied by 3 (pass) and 2 (pass) respectively, ie 1/15*3*X*3 kg and 1/15*3*X*2. kg.
Method 2: Calculate the area of ​​the panel painted as needed
Take this homemade shoe, in addition to the back and bottom, the top, front and both sides need to paint. The length, width and height of this shoe are 0.9 meters, 0.3 meters and 1 meter, respectively. Then, the areas of the top surface, the front surface, and the two sides are 0.9*0.3 square meters, 0.9*1 square meters, and 0.3*1*2 square meters, ie, 0.27 square meters, 0.9 square meters, and 0.6 square meters, respectively. Because the two doors of the shoe cabinet are shuttered, the amount of paint is relatively more, and the paint amount of these two doors is multiplied by a factor of 1.2. That is to say, brushing these two doors equals a panel of 0.9*1.2 square meters. .
According to the calculation of the brush, the paint amount of this shoe is 1/15*(0.27+0.9*1.2+0.6)=0.13 kg. Calculated on the basis of "three bases and two sides," the required amount of primer and top coat for this shoe is 0.39 kg and 0.26 kg, respectively.
Self-made bookcase paint
The bookcase is 4.4 meters long and 2.4 meters high. It requires brushing paint, in addition to the upper and lower rows of doors and the inside of the cabinet that can be seen through the glass. We can calculate the area of ​​the upper and lower rows of doors, 4.4*(2.4-1.2)=5.28 square meters. Although the middle row is glass, the corners of the glass and the inside of the cabinet visible through the glass need to be brushed. Paint, and the amount is relatively large, the total count is about 4 times the glass area, namely 4.4 * 1.2 * 4 = 21.12 square meters.
Therefore, according to the calculation of the brush, the paint volume of this self-made bookcase is about 1/15*(5.28+21.12)=1.76 kg. When calculated on the basis of three bases and two sides, the amounts of primer and topcoat were 5.28 kg and 3.52 kg, respectively.
The formulae for the amount of paint latex paint summed up two formulas for your reference
Wall paint dosage = 1/10 * total wall surface area * 2 (brush twice)
The amount of furniture primer = 1/15* the area to be painted *3 (three times)
The amount of furniture finishes = 1/15* The area to be painted *2 (brushed twice)
Calculation formula Lacquer-lacquer glass Furniture windows Cabinets Cabinets Doors Glass cabinets Shutters Glass doors Glass furniture Glass doors
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