Painting decorative plaster: methods of performing work

Painting decorative plaster can change a space by giving your walls more style and texture. To achieve a perfect finish, this process calls for careful attention to the methods used in addition to simply choosing and applying a color.

There are several ways to paint decorative plaster, and each has a special effect. Whether you choose to use more contemporary spray techniques or classic brushwork, knowing these techniques can help you attain the desired look while guaranteeing longevity and ease of upkeep.

This post will examine the various techniques for painting ornamental plaster and offer advice and insights on how to achieve the greatest outcomes. This guide will give you the confidence to tackle any project, whether you’re a do-it-yourself enthusiast or organizing a professional undertaking.

Types and features of the material

For the majority, plaster is a mixture of premium sand and cement used to level the walls, seal imperfections like cracks and unevenness, and prepare them for additional painting or wallpapering. However, the material takes on a contemporary appearance for room décor after dye is added to it. Plaster comes in a variety of varieties.

• Structural (see. Structural plaster: application technology). These are:

1. "bark beetle";
2. "fur coat".

The material has a distinct look; upon processing, the surface gets granular and heterogeneous. Both fine- and coarse-grained quartz granules form the composition’s foundation. The structural grain can have a size that is between 0.5 and 3.2 millimeters.

• Textured (see. Textured plaster: features of wall decoration). In its raw state, it resembles a white mass of dough, which can be tinted and then covered with paint after finishing. Its main advantage is its plasticity, which allows you to create various effects:

1. beautiful bas-reliefs;
2. panel.

• "Venetian" (see. Venetian plaster: features of using the material). This is a universal material, capable of imitating precious stones on the one hand, and on the other hand, designers use it to create images and other decors on walls. There are certain difficulties in working with this coating: application is carried out in several layers, then grouting is done.
• Mineral (see. Mineral facade plaster: material features). It is based on chips, often used in room finishing. Material features:

1. durability;
2. environmental friendliness;
3. low price.

Applying decorative plaster has the following advantages:

• Plaster, which contains large filler, is applied only by hand.
• Liquid materials should not be diluted with water.
• Plaster made on a water basis is less toxic, but it is quite sensitive to the environment.
• It is too difficult to apply marble chips by hand, during the coating process the structure of the material can be lost.
• Composition with high adhesion indicators, due to loss of strength of the coating can peel off from the surface.

Selecting the appropriate technique is crucial for attaining an exquisite finish when painting decorative plaster. This article examines different methods for painting decorative plaster, including surface preparation, paint selection, and tool selection. We’ll walk you through every step to make sure your plastered walls look great and last for a long time.

What are the methods of painting plaster

Recommendation: It is important to remember that not all plaster compositions can be colored prior to surface application. Such plaster must always be painted on the facade after it has been applied and allowed to dry.

Special facade paints or other paints are used to paint decorative plaster in white.

Advice: Don’t paint ornamental plaster on walls until it has completely dried. This could require up to 48 hours, based on the solution’s makeup.

Coatings based on cement have a tendency to peel or shed in specific areas.

Prior to painting, reinforce the coating by doing the following:

• Treat with a special colorless primer.
• Allow the primer to dry completely.
• Paint embossed plaster.

A few painting tips to help with ease of painting:

• Purchase the necessary equipment and tools.
• When painting walls with a roller, you will need a tray. This will allow you to use paint sparingly and make it easier to distribute it onto the plaster more evenly. Using a tray, you can easily remove excess paint from the roller.
• When painting the surface inside the premises, it is necessary to provide for the laying of a covering protective layer, which covers floors, furniture, windows, door frames.
• When painting the facade, protection is needed for windows, the front door, to protect the path that runs along the painted wall from paint.
• Painting should be done with chaotic movements so that there are no sharp transitions of shades and different areas of the painted surface.

The material can be painted in a few different ways:

• Painting in one pass. This is the simplest method of painting decorative plaster. In this case, all surfaces are painted with a long-haired roller or a regular brush, including recesses and protrusions. You will get a “base” shade.
• Painting with a “dry brush”.

When a composition of a different shade, typically half a tone lighter, is applied to the protruding reliefs on a darker base coat that has dried for at least two hours, a rather complex effect known as relief painting is achieved. Small-bristle brushes and rollers are used for painting. They receive a "dry brush" application of paint, which is the bare minimum. With this painting method of relief, the surface has more "volume."

Decorative metallics can be used to tint the relief layer’s "volumetric" elements:

1. bronze;
2. silver;
3. golden.

The following kinds of paints are used:

1. dry brush method;
2. with a mitten, shading the decorative layer. Using a mitten makes it easier to achieve smooth color transitions.

Word of caution: Metallics don’t stand for excess. This will reveal a lack of taste on the house owner’s part. The base color can only be slightly subdued by bronze or gold.

This approach emphasizes the depressions more than dry brushing does. When applying paint in darker toned depressions on the surface after painting by hand, it will appear more favorable than the background.

The following summarizes the "blurring" method:

1. a darker layer of paint is applied to the surface;
2. remains for a short time to dry;
3. this top layer is wiped off with a damp cloth from the bulges of the plaster.

Following this, the dark layer will only be present in the depressions, resulting in the formation of a three-dimensional pattern.

Advice: High-quality paint that is resistant to wall washing was used to create the background layer for washing. You should use a less expensive paint for the filler that is easily removed from the plaster’s surface and is not moisture resistant.

After watching the video, decorative plaster painting in any form can be completed more quickly while still taking into account all the subtleties of the process.

A few tips for painting walls

Putting a coat of varnish on top of a paint layer after it has finished drying is the final "chord" in plaster painting, just like in the picture.

For plaster, any water-based varnish will work.

• Before use the varnish is diluted with water in a 1:1 ratio, this significantly facilitates its penetration into the recesses of the plaster.
• The finished composition is applied to the surface with a squeezed wide brush in two or three passes, without taking into account breaks for drying.

Advice: Don’t let the mixture drip onto the wall; instead, apply it all at once to the entire surface.

• The consumption of the varnish composition is approximately 2.5 liters per 50 square meters.
• Varnish for decorative plaster:

1. gives an exquisite shine;
2. makes the color more noble:
3. facilitates surface maintenance;
4. protects against atmospheric influences that destroy paint and plaster designer relief.

Painting decorative plaster can change the way your walls feel and look while enhancing your room with color and texture. A gorgeous finish that goes well with your interior design can be achieved by using the appropriate methods and supplies.

Using a brush, roller, or spray gun, each application technique has its own benefits. Rollers offer a smooth, even application; brushes are ideal for detailed work and touch-ups. Large areas can be quickly covered by spray guns, which makes them perfect for larger projects.

To produce a result that looks professional, preparation is essential. Before painting, make sure the plaster surface is clear, dry, and adequately primed. This enhances the overall finish and facilitates better paint adhesion.

Take good care of your decorative plaster after painting by adhering to recommended maintenance guidelines. For many years to come, the beauty of your painted plaster will be maintained with routine cleaning and a steer clear of harsh chemicals.

Video on the topic

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