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Recently, a year is about to pass, and the new year has come. People’s families together redecorate their homes for a more complete Tet. Then try this Tet to refresh the house with the steps below to repaint the walls properly.

Our house after many years is also somewhat old. Many people want to redecorate to be new, want to change the style or simply want to choose a different paint color than the original. Repainting the house with the walls for the nest will make the house more bright and like new again, in accordance with the changing wishes of everyone. Let’s refer to the steps to paint the house through this article to decorate a new New Year.

Steps to repaint the wall properly

Step 1 Clean and prepare the surface

Before construction, please remove all moss, dirt, impurities and old layers of powder, peeling paint clinging to the old wall surface.

If the surface to be repainted is still new, it is necessary to use a grinding stone or sandpaper to brush it all over to create a foothold before applying a new layer of paint. As for the surface of the wall that is too old, after cleaning, it is necessary to wash it with clean water, then let it dry before proceeding with construction.

Some surface treatments:

• Surface with dirt, powder: Use water to clean with high pressure or can also use mild detergent. If the surface has a lot of powder, it is recommended to apply two coats of anti-alkali primer after cleaning the surface.
• Surfaces with old paint film / cement mortar / putty: Old paint films must be removed by chisel, scraper, scrubber or other suitable tools. Uneven surfaces should be covered with a suitable putty.
• Surface with moss/mushroom: Wash with water with high pressure or chisel, scrape and treat with specialized anti-moss and anti-fungal solutions. Then rinse again and let dry.
• Greasy surfaces: Use detergent and a little solvent (if necessary) to clean. Then rinse thoroughly to remove all oil stains.

Step 2 Applying waterproof paint to the wall

This step must be performed on unadorned or unpainted surfaces. The waterproof coating is to protect against the effects of rain and moisture. To achieve the desired effect, you need to buy a good quality cementitious waterproof paint.

Construction of wall waterproofing paint

Step 3 Apply putty (putty) matit

This is the stage for you to cover cracks and defects to create a flat surface for interior and exterior walls before applying primer or topcoat. However, depending on the purpose and requirements of use, this step may or may not be necessary.

Step 4 Apply alkali resistant primer

First, we need to thoroughly stir the primer. Then use the Rulo (paint roller) to carry out this step. Depending on your needs and conditions, you can apply 1 or 2 coats of anti-alkali primer. Must ensure at least 1 hour apart for each coat to ensure the required dryness.

In addition, it is possible to add 5-10% of clean water by volume before application. This is to maximize coverage and make it easier to apply.

Step 5 Paint finish coat (color topcoat)

In this step, we will proceed to apply 2 coats of paint

Grade 1:

After at least 2 hours for the alkali resistant primer to dry, then we proceed to apply the first color coat.

We can use a paint sprayer, brush or roller depending on the specific wall surface to choose accordingly.

It is recommended to dilute with 5 – 10% clean water by volume before application for maximum coverage and easier application.

After painting, it is necessary to observe the remaining defects of the previous construction stages and correct (if any) before applying the second coat of paint.

Grade 2:

Similarly, after at least 2 hours for the first coat of paint to dry, then we proceed to apply the second color coat.

With the same tools as the first time, be careful this time because this is the final coat of paint.

Once done, shine a light on the wall and observe. If you see that the paint is evenly covered, without 2 colors, without leaving marks and the wall surface is bright, it is all good.

2How to calculate the right amount of paint to buy

You can apply a reasonable calculation of the amount of paint to buy as follows:

Step 1 Calculate the area of ​​​​paint in the house

Indoor paint area = (Area x number of floors) x Indoor paint coefficient

Inside:

Indoor paint coefficient is between 3 and 4.5

• If the level 4 house has no ceiling – Coefficient : 3
• If a level 4 house has few doors – Coefficient : 3.5
• If the frame house has many rooms, the average door – Coefficient: 4
• If the frame house has many rooms, few windows – Coefficient: 4.5

Note: The above coefficient is only correct when calculating the totality of a house, but calculating individually for each room is no longer accurate.

Step 2 Calculate the outdoor paint area

Outdoor paint area = Facade area x Outdoor paint coefficient

In which: The outdoor paint coefficient runs from 1.2 to 1.8 depending on the degree of molding more or less to give the coefficient accordingly.

How to calculate the right amount of paint to buy?

For example: A house with a width (or width) of 5m, a length (or depth) of 10m, a height of 3 floors, each floor is 4m high (or balcony) and the house is 1.5m wide, the amount of paint is calculated as after:

Calculate the area of ​​​​paint in the house

Painted area in the house = (5 x 10 x3) x 4 = 600 m2.

Case 1: Rolling paint without coating

Quantity of paint in the house = Area of ​​paint in the house / Norm of 1 barrel of 18 liters of 4 coats

From the above example you can calculate the following:

Number of paints in the house = 600/5 = 12 18 liter buckets.

In which: The amount of primer (white paint) accounts for 2/3 = 8 boxes. Number of color paints = 4 cartons.

Case 2: There is a matt . bait

According to the process of indoor painting with matis, it is necessary to roll 03 layers including: 01 coat of primer (white paint) and 02 coats of topcoat (color paint).

Inside:

• 01 bag of putty (40 kg) 1 – 2 layers are 40m2.

Quantity of putty in the house = Area of ​​the house / Norm 01 bag of putty in the house = 600/40 = 15 bags

• 01 18-liter indoor paint can, rolling 01 layer is 200m2, rolling 03 layers is 70m2.

Quantity of paint in the house = Area of ​​paint in the house / Norm 1 carton of 18 liter roller 3 layers = 600/70 = 9 boxes of 18 liters

Inside:

• Amount of white paint accounted for > = 5 cartons of 18 liters
• Number of color paints accounted for

Calculate outdoor paint area

Outdoor paint area = ( 5 x 4 x 3) x 1.5 = 90m2

Case 1: Rolling paint directly without matt

According to the process of outdoor painting without matis, it is necessary to roll 04 layers including 02 layers of anti-alkali primer (or white paint) and 02 coats of topcoat (color paint).

Inside:

• 1 18 liter anti-alkali tank rolls 2 layers, 120m2.
• 1 5-liter anti-alkali can can roll 2 layers for 30m2.
• 1 can of 5 liter color paint rolls 2 layers for 30m2.

Quantity of anti-alkali primer = Area of ​​outdoor paint / Norm of 1 can of anti-alkali roller 02 layers = 90 / 3 = 3 cans of 5 liters

Quantity of paint = Area of ​​outdoor paint / Norm of 01 can of outdoor 2 coats of paint = 90 / 30 = 3 cans of 5 liters

Inside:

• Background color takes up 2/3 = 2 cans of 5 liters
• The color makes up 1/3 = 1 can of 5 liters

Case 2: There is a matt . bait

According to the outdoor painting process with putty, it is necessary to put 02 layers of putty + 01 layer of anti-alkali primer + 02 coats of topcoat.

Inside:

• 01 bag of putty 40 kg of putty 02 layers is 40m2
• 01 5-liter anti-alkali can roll 01 layer, 60m2
• 01 can of 5 liter color paint rolls 2 layers, 30m2

Quantity of outdoor putty = Area of ​​outdoor paint / Norm1 bag of putty 2 layers = 90 / 40 = 2.5 bags

Quantity of anti-alkali primer = Area of ​​outdoor paint / Norm of 1 can of anti-alkali roller 1 layer = 90 / 60 = 1.5 cans of 5 liters

Number of paint colors = Area of ​​outdoor paint / Norm of 1 can of 2 coats of outdoor coating = 90 / 30 = 3 cans of 5 liters

Inside:

• Background color takes up 2/3 = 2 cans of 5 liters
• The color makes up 1/3 = 1 can of 5 liters

3 Some notes when repainting the walls of the house to welcome Tet

Some notes when repainting the wall

• Paint containers should be transported carefully and placed in a safe location. In case of spilled paint, it should be collected with soil and sand.
• Wear appropriate mask during construction.
• Ventilation must be ensured during construction. If the conditions are not well ventilated, there should be supporting devices such as electric fans, …
• Avoid breathing paint dust.
• When the paint accidentally gets into the eyes, it is necessary to immediately give first aid with clean water, then immediately go to the nearest medical facility for treatment.
• Do not arbitrarily pour excess paint, expired paint into the environment. If destruction is required, it must strictly comply with regulations on environmental protection.

4 Tips for choosing the right paint and type of paint

Review of paint brands on the market

Paint line Jotun (Norway)

Paint line Jotun (Norway)

Advantages:

• Paint line with high resistance to bacteria
• Diverse types of large and small capacity boxes, easy to choose for construction
• High resistance to mildew, anti-scratch and anti-discoloration
• Owning an economical interior paint based on Acrylic with high coverage should bring high economic efficiency

Defect:

Price range: Jotun Paint provides paint solutions for 4 main areas such as: Industrial Paint, Marine Paint, Powder Coating and Decorative Paint with a price range of about 40,000 – 55,000 VND/m2 for 2 coats of color paint.

Dulux paint line (Netherlands)

Dulux paint line (Netherlands)

Advantages:

• Diverse color palette with 2000 colors, advanced European standard technology
• Is a line of paint that is human-friendly, does not cause allergies
• The ability of Dulux paint to resist moisture is high because it is resistant to alkalis

Defect:

• The color palette of the paint is quite small compared to other lines

Price range: Price from 40,000 – 50,000 VND/m2 for 2 coats of color paint

Maxilite paint series

Maxilite paint series

Advantages:

• High coverage, cost-effective and easy to apply
• Paint has good anti-dust, waterproof, anti-moss ability
• Diverse in color and can protect the wall for a long time

Price range: Priced from 35,000 – 45,000 VND/m2 for 2 coats of color paint

Determine interior or exterior paint

Determine interior or exterior paint

Interior paint is a paint pattern created by the manufacturer for the purpose of indoor use, it has the advantage of smooth, glossy and durable color over time.

Unlike interior paint, exterior paint products are used when painting the outside of the building. They have the outstanding advantage of being able to withstand the harsh effects of the weather, against moss and fungus on the walls of the building.

How to mix colors by tone

How to mix colors by tone

When preparing to paint the walls of your house, you will surely ask what color to choose? How to choose a house paint color… In fact, how to choose the right house paint color will include the following factors:

• feng shui element house paint color: Currently, color is considered an element to choose in accordance with feng shui. In it, each homeowner will match a number of colors and help increase luck. But there are also house paint color choices that are incompatible with the age of destiny, causing the owner to have bad luck.
• House design style: Choosing a garden house paint color will be different from painting a tube house, an antique style house will be different from a modern house. So choosing to paint your house white or blue… will partly depend on the architecture of your house.
• Homeowner’s preference for paint colors: You will need to consider choosing a luxurious house paint color or expressing a personal impression, leaning towards classicism …
• Area of ​​paint space: choosing a paint color for a small house will be different from choosing a paint color for a large house. Often small houses will choose simple colors, lightness to increase brightness, wide space. In contrast to large spaces, it is possible to choose modern house paint colors such as deep colors, helping to bring elegance.
• Depends on interior or exterior paint: Choosing exterior paint color may be different from indoor paint because it also depends on color retention, the impact of different humidity, light, and dust environments.

Therefore, how to see the house paint color or how to choose a beautiful house paint color will need to be fully evaluated, there is a harmonious combination of factors that affect the selection of wall and house paint colors.

The steps to repaint the wall are simple, but when starting to build, it is not easy. However, you just need to be meticulous and careful to achieve the desired effect. Let’s try really hard to have a beautiful house to welcome Tet.

Source: Kayerr.vn

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