How to paint the facade of a house on plaster – let”s consider 7 popular paints

Painting your home’s plastered facade is an easy yet powerful way to give the exterior of your house a modern makeover. The choice of paint is essential because it affects the surface’s durability, protection, and aesthetic appeal. Selecting the best option for your project can be difficult when there are so many to choose from.

This post will examine seven well-liked paint varieties that are frequently applied to plaster facades. Every variety has special qualities, benefits, and perfect uses. There is something for everyone here, regardless of your preferences for vivid color, long-lasting durability, or environmentally friendly options.

We’ll break down the advantages of each paint so you can choose wisely and maintain the exterior of your house looking new and well-protected for many years to come.

Criteria for choosing paint for the facade

Most inexperienced homeowners probably think that painting is done to make their house look prettier.

Actually, painting facades serves two purposes:

• protection of walls from the destructive effects of the environment;
• satisfaction of aesthetic needs.

On the surface, CM create a layer of protective film. Regardless of how thin the paint layer appears, the film material—which includes both natural and artificial fillers—rejects:

• UV component of sunlight;
• water penetration into the plaster coating;
• fungi, lichens, and microorganisms taking a fancy to the wall;
• surface erosion;
• freezing (preventing water absorption, prevents plaster from tearing in the cold);
• premature aging.

Furthermore, the paint film lets the walls and plaster "breathe."

While there’s never too much paint, frugal homeowners want to know how to select a KM that will work best for their particular setup. Not every paint available can be used to paint a house’s facade over plaster, and even those that can aren’t guaranteed to produce the best results.

It is incorrect to believe that there is a paint that is perfect for every operating situation. Materials have distinct physical, chemical, and operational properties depending on their bases (solvent, modifying additives).

Qualities that are crucial for operation and staining:

• resistance to atmosphere factors (temperature fluctuations, sediments, etc.);
• resistance to ultraviolet spectrum of sunlight;
• hydrophobis;
• the degree of vapor permeability (affects the possibility of accumulating condensate under the film, as well as the degree of favorable conditions for microorganisms);
• Resistance to the biological attack of the microfauna and microflora;
• rheology and viscosity (affect the possibility of uniform application of a colorful layer);
• adhesiveness (characteristics of the adhesion strength of KM with the surface);
• drying speed (taken into account, if several layers are applied);
• crack resistance or elasticity (the paint film must withstand the expansion and shrinkage of the plaster coating when the external temperature changes), the indicator is important when painting new buildings that are yet to shrink;
• consumption (the value is directly related to the quality of the base – for rough surfaces, the consumption will be higher);
• safety (toxicity, for example, when using an organic solvent, fire hazard);
• binder content (if the content is low, which is the case with inexpensive compositions, the service life is reduced);
• service life (determines the length of the interval between cosmetic repairs);
• price.

Furthermore, the decision is dependent on the CM’s compliance with the foundation upon which the paint is applied (plaster type, wall material beneath the plaster finish). The vapor permeability parameter is significant for aerated concrete. A CM on a silicate binder is required for silicate plasters.

Crucial attributes for choosing based on ornamental indicators are:

• gloss or matte (glossy compositions look good on plaster with a smooth surface, otherwise they emphasize the slightest scratches);
• hiding power;
• possible palette.

Verify the manufacturer’s release date before making a purchase, as certain compositions lose some of their functionalities over time.

Selecting the appropriate paint for painting a house’s plastered facade is essential for both long-lasting protection and visual appeal. In order to help you choose the best paint option for your house, this article examines seven popular paint options and highlights their salient characteristics, advantages, and best uses.

What to paint the facade of the house after plastering

A plastered brick wall should be painted with paint that has a high vapor permeability parameter. For concrete, porosity and resistance to an alkaline environment are crucial.

Apply elastic paint that is resistant to moisture to the wooden surface; any plastered base can benefit from a material that is both vapor-permeable and resistant to moisture.

It is preferable to use crack-resistant rubber paint on plastered, wooden, or concrete walls that have noticeable cracks because it will effectively conceal flaws or stop them from appearing.

Experience has taught us that whichever the plaster base, this type of paint base is appropriate for it. Furthermore, practically any kind of paint can be used on cement or lime-cement compositions, as can silicone or silicate KM.

Acrylic

Acrylic-based polymer compounds enable it to form an elastic film that is resistant to mechanical stress. resists the formation of cracks during wall microdeformation, UV light, and bioaggressors. Hydrophobic yet permeable to vapor, a crucial property for wooden walls covered in plaster.

Acrylic KM is made by manufacturers on organic or water-dispersed bases, which permit painting at temperatures as low as -15 °C. The most cost-effective way to paint the facade. Applyes smoothly to different kinds of plaster, adheres firmly, fades slowly, and is machine washable. longer than seven years.

Silicone

The most flexible paint is the most "rubbery". Painting the house is the best option if it hasn’t yet experienced shrinkage. Additionally appropriate for structures built in seismic zones close to railroads.

Based on silicone resin polymer compounds that have a structure that is permeable to steam but impermeable to water (this characteristic is maintained regardless of the weather). Even for "capricious" lime plaster, with which it is compatible, it is used. KM considers it a guaranteed long-liver because it can function flawlessly for up to 25 years.

It is non-toxic, easily cleaned, and does not react with dangerous chemicals found in the air. does not gather dust or static. costly painting alternative.

Silicate

The liquid glass foundation gives it more water resistance. Rain removes the dirt from such a film. Simple to remove with water. It is unappealing to biota, just like silicone.

"Sticks" to plastered surfaces nicely and is unaffected by harsh chemicals or UV light in the environment. Vapor-permeable, non-flammable, and non-toxic (apart from the application phase). Up to 20 years of service.

• more expensive than most KM;
• inelastic (does not tolerate building shrinkage);
• “capricious” when applied (requires skill and ability);
• does not get along with KM on a different basis;
• the components are mixed before painting.

Cement

Builders frequently use a composition based on minerals (white Portland cement + pigments). The low cost, inorganic (mineral) basis, fire resistance, and weather effects are the causes of this. creates a matte finish.

Also available as a textured paint to cover up flaws. It has bactericidal additives that make it mold-resistant. meant to be painted with cement or cement-lime plaster. Not elastic.

Lime

Produced using lime and belonging to the mineral class. Because alkali-resistant pigments are needed for the alkaline base, the range of colors is restricted. Environmentally friendly, vapor-permeable, non-flammable, and bactericidal. works effectively with mineral plasters. Poorly resistant to mechanical, abrasive, and precipitation influences. It is updated once a year and does not last long.

Oil

Refers to organic because drying oil or other greasy substances are used to dilute the pigments. environmentally friendly, but it releases a distinct scent that is easily identifiable after it has dried. The film shrinks and cracks with time and has a low resistance to solar UV radiation. low ability to withstand moisture. Decreases in usage with each passing year. Good for five years.

Latex paints

Water-dispersion Rubber particles are present in KM. Latex paints are therefore elastic, water-repellent, and wear-resistant. The material is vapor-permeable, strong, environmentally friendly, and "long-lasting" (20 years of service). adheres firmly to surfaces made of plaster.

Drawbacks: KM lacks inherent mold protection and is combustible.

Rarely used types of paint

When there are a lot of aggressive chemicals in the atmosphere, KM based on perchlorovinyl suspension is used. The paints are elastic, highly adhesive, bright, and dry rather quickly. include pigments resistant to light.

The facade retains its color for up to six years. Prevent the emergence of biodamage foci. Xylene evaporates during drying, so skin protection for the hands and respiratory system is necessary. used when painting in temperatures below freezing.

• promote combustion;
• do not adhere to paints with a different base;
• high price.

Tips for choosing a color

When selecting a color, we advise taking into account the following factors:

• the color of the walls and roof should match, therefore, if the color for the roof has not yet been finally decided, then painting the facade of the house in pastel colors on plaster is the best option for the walls;
• if the roof is dark, then the outer walls are painted in light colors;
• to make the house look more elegant, more dynamic, two shades are used (for openings – lighter tones than for walls), the opposite combination is used less often, only after consulting with the designer;
• parts of the facade are highlighted either by the structure of the coating or by the color (two products together is too much);
• you should take into account the style, as well as the design of the adjacent area, its lighting, the type of plants.

Application technology

As they say, "A theater is never complete without a coat rack," similarly, setting up a workspace, gathering the required equipment, and making material purchases are the first steps in plaster painting a house’s facade. Select days with favorable weather and start priming the plaster surface.

This entire process may take longer than painting, particularly if paint is applied mechanically. Painting is done exactly like it was done in the good old days—layer by layer, with each layer drying in between—apart from a few details.

The paint manufacturer’s instructions provide the prerequisites needed to complete the task. Consider how to paint the entire wall in a single coat without taking a break, to prevent the formation of specific color stains.

Tools for work

We favor speed over personal effort when painting, whether it is done mechanically or by hand. Set up a compressor and spray gun for mechanical work.

You will still require hand tools even if you use a spray gun, though:

• brushes (wide and narrow, flat and round);
• rollers with several spare fur coats (foam rubber – only for primer, for paint – velor or fur);
• masking tape and film to protect window frames, handles, and other unpainted parts;
• mixer.

In addition, protective gear and a stepladder or scaffolding are required for painting the exterior of the house’s upper sections.

Preparing the surface for painting

The walls are examined before painting the exterior walls over the plaster. Examine the plaster coating’s state both visually and audibly. It is left in place if the paint coating is securely fastened, has no visible cracks, and doesn’t interfere with the new paint’s base. The oil film has been totally eliminated.

The plaster’s disclosed flaws have been fixed. Potholes and cracks are patched. Sanding or puttying the wall is necessary if glossy paint for the facade requires a smooth surface. Dust off, prime in two passes, and allow to dry.

Application methods

If you are painting by hand, you will need to apply the composition in two passes—horizontally in the first and vertically in the second. By doing this, the paint film that is produced is even. Painting the facade from top to bottom will prevent drips and colorful spills from damaging the surface that has been treated.

Paint Type	Description
Acrylic Paint	Offers excellent durability and resistance to weather conditions, making it ideal for exterior plaster surfaces.
Silicone Paint	Provides water resistance and breathability, preventing moisture buildup while protecting the facade.
Silicate Paint	Known for its long-lasting finish and strong adhesion, perfect for mineral surfaces like plaster.
Lime Paint	Traditional option that allows the walls to breathe, reducing the risk of mold on plaster facades.
Elastic Paint	Flexes with the building structure, preventing cracks on plaster surfaces.
Oil Paint	Provides a glossy finish and strong protection, though it requires regular maintenance on plaster facades.
Mineral Paint	Environmentally friendly and highly resistant to UV rays, suitable for long-term protection of plaster surfaces.

For a plastered facade, picking the appropriate paint is essential to maintaining the longevity and aesthetic of your house. There are numerous options available in the market, each with special advantages and uses.

Think about things like breathability, resistance to weather, and desired finish when choosing a paint. Silicate paints are an environmentally friendly alternative with a mineral base, while acrylic paints are excellent for flexibility and durability. Paints with silicone and elastomeric coatings are excellent choices for people looking for water and crack resistance.

The ideal paint for your facade will ultimately rely on your personal tastes and requirements. You can select the ideal option to improve and safeguard the exterior of your house by carefully weighing your options.

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