Decorative plaster for the base and foundation: tips for choosing and using

Decorative plaster is more than just a capstone for the base and foundation of your house. It improves your property’s overall appearance and provides an additional layer of protection. The durability and visual appeal of plaster can differ significantly depending on the type chosen.

Weather resistance, texture, and color are important considerations when choosing decorative plaster. These components are essential to ensuring that the plaster resists weathering and looks good over time.

The selection of the right material is only as vital as its proper application. Adhering to the proper procedures will guarantee that the plaster sets in place and offers long-lasting protection. Whether you’re hiring a pro or doing the work yourself, knowing the fundamentals of decorative plaster will help you get the best results.

Features of plastering the base and foundation

The following benefits can be obtained by applying the plaster composition to the base:

• Increase the strength of this building element.
• Protect the surface from moisture, both in the form of external precipitation and from soils.
• If the appearance is lost or cracks appear on the finish, it is quite easy to restore the structure.
• The price of various plaster mixes, regardless of composition and brand, is affordable for a wide range of consumers.

However, it’s important to note the drawbacks of this technique when assessing the qualities of plaster cladding:

• Cement-based mixtures are often covered with cracks. They also quickly lose their appearance due to the fact that all the dirt sticks to them quite intensively.
• Acrylic mixtures cannot be used where increased vapor permeability is required.
• Silicon-based compounds are quite difficult to work with, so it is better for specialists to work with them.

By considering every aspect of these plaster solutions, you can finish the basement with an eye-catching exterior while also providing the house with the essential attributes.

It is crucial to keep in mind that the lower portion of the building, including the basement, is where up to 60% of all moisture entering the property enters.

Requirements for a solution for plastering the foundation

You must consider the following factors if you want your decorative plaster in the basement to last as long as possible while retaining both its primary protective qualities and its aesthetic appeal on the outside:

• Frost resistance.
• High mechanical strength.
• Ability to repel moisture.
• Ability to pass steam.
• The presence of antiseptic characteristics so that mold fungi do not develop on the surface.
• Environmental friendliness – despite the fact that the finishing is carried out on the outer surface, it is still important to use natural materials that do not emit harmful fumes into the surrounding space.
• Resistance to aggressive substances.
• Not susceptible to fading under the influence of the ultraviolet part of the solar spectrum.
• External attractiveness also plays an important role in achieving the necessary aesthetic parameters.

Given that there are a good number of evaluation criteria, it is first required to examine various compositions from the perspective of their primary constituents.

Decorative plaster for the base and foundation is a crucial material for both durability and aesthetics because it adds a layer of protection against moisture and weather while also improving the appearance of your house. Making the proper type and application decisions will guarantee that your foundation is sturdy and aesthetically pleasing for many years to come.

Which decorative plaster to choose for the basement

Certain qualities and parameters are imparted to the composition by the primary ingredients that manufacturers use in their mixtures. Thus, it is essential to research the various types of plaster that are currently available as well as their primary attributes before applying a particular type of plaster to a house’s foundation.

Silicone

This cultivar is relatively new to the market. It is distinct from other finishing materials because of its unique chemical makeup, which is based on silicone resins.

The following are some benefits of silicone plaster:

• High level of layer elasticity. As a result, cracks do not form on the wall due to temperature changes.
• Hydrophobicity, i.e. water is not absorbed into such a surface.
• The ability to effectively pass vapors, not to retain or condense them on the walls, both inside and outside.
• Due to the high level of adhesion, it is quite effectively attached to any surface and does not peel off from it over time.
• Mold fungi do not form on it.

The mixture’s range of grain sizes, which varies from 1.5 to 3 mm, allows for a wide range of effects to be produced on the building’s base, from bark beetle and smooth Venetian plaster to a minor scratch effect.

Any wall can have silicone plaster applied to it, regardless of the original construction material.

These compositions have very few drawbacks, or if they do, they are so negligible as to be greatly outweighed by the benefits.

Acrylic

Acrylic plasters are a great option for exterior finishing if you want to cut costs on the finishing process.

Acrylic resins, which are present in this mixture, give the coating strength and durability.

These compositions also have the following benefits:

• High ability to pass vapors.
• Resistance to moisture.
• Acrylic mixtures can be applied in those regions where the temperature drops to critically low temperatures in winter.
• Due to the high degree of impact resistance, the base in acrylic plaster does not form clearly defined chips under mechanical impact.
• In addition, such a surface is quite easy to wash with a simple stream of water from a hose, washing away all the accumulated dirt and updating the appearance.

Mineral

There are two primary subtypes of plaster in this category:

• Lightweight – it is advisable to use them in the construction of those buildings that do not have a reinforced foundation or have already become dilapidated. Here, the mass of the composition per m³ does not exceed 1.000 kg.
• Heavy – have a denser structure, due to which the mass per cubic meter exceeds 1.000 kg.

There are several compositions of mineral plaster depending on the type of filler used.

• Decorative purpose.
• Mosaic character, where from 2 to 4 different bases are used.
• With mica content – has a slight characteristic shine.
• Clay of different shades is added to colored varieties.
• Pebble has a rough structure.
• And, finally, asbestos-cement have increased resistance to temperature changes, are also fireproof and exhibit water-resistant characteristics. However, it is not recommended to use them as insulation.

Silicate

Positive attributes such as the following can be accomplished with silicate-based facade plaster:

• Protection from rain and other types of moisture.
• The layer will protect the insulation if this finishing option is necessary.
• Thanks to the mixture, it is possible to create a decorative coating with high aesthetic characteristics.

The following kinds of silicate mixtures are currently available for purchase in the construction industry:

• With small stones as a filler. They are characterized by a high degree of roughness and the creation of a specific layer with imitation of a rough texture.
• Compositions to which sand is added. In this case, a fine-grained surface structure with an indistinct relief of the pattern is obtained.

Suitable decorative types of plaster for the base

Not only can decorative plaster for the base vary in composition, but it can also have different effects on the surface once applied. In this instance, the decision is based on more than just personal tastes. It’s critical that the base piece blends in with the remainder of the wall surface and guarantees cleaning simplicity.

Textured

These compositions have a raised relief height, with a range of possible dimensional specifications. However, it also undoubtedly produces a rough surface. There are differences between the following types:

• Under the lamb.
• Fur coat.
• Classic bark beetle.

Structural

Among the structural ones are those that can mimic a specific material, like marble. A range of facade plasters with marble chips added to the base work well for creating such a layer.

Classic smooth

Cement compositions can be used to create a smooth surface. Usually, this type of plaster is then puttied again and painted the chosen color.

Cement mixtures can now have specific parameters and characteristics thanks to the addition of modifying additives.

Under the stone/brick

This kind is frequently utilized to adorn the base. The most common method for recreating the look of stone is to use cement compositions, which also include plasticizers, a binder component, and stone chips.

Use shapes and templates to create unique patterns by creating grooves on the composition.

How to combine the base and the facade of the house: advice from designers

The base of the house and the remaining walls must have the exact color, texture, and replicated pattern chosen with care in order for the exterior to appear harmonious. To facilitate the integration of these two plane sections, designers have provided the following guidance:

• These two elements should contrast with each other in terms of the selected color. But at the same time, they must be harmoniously combined with each other.
• The shades of the base that work best are those that are close in color to natural colors – dark brown, gray, sand.
• Most often, the base is made darker than the rest of the wall. Although, the opposite combination is also acceptable.
• When using organic pigments in the compositions, it should be taken into account that over time they are capable of changing the shade quite strongly towards a lighter one due to fading. Therefore, the appearance of the building will be transformed.
• In terms of textures, imitation stone, brick, rubble look good on the base. It gives the whole building impressiveness and solidity.
• If cement plastering of the base is used, then it should be covered, at least, with a special paint that will imitate a certain type of surface or recreate the play of colors.

Necessary materials and tools

The following equipment and extra supplies must be ready for use when working with plaster mixtures:

• Spatulas with different widths of the working area.
• Small hatchet.
• Float and half-grater.
• Melka or so-called trowel.
• Rules.
• Smoothing tool.
• Plastering trowel, spatula and scoop for ease of working with the composition.
• Falcon.
• Level with different lengths of the working area to measure the degree of flatness.
• It is also necessary to prepare a primer, which is selected depending on the base material of the base, as well as on the effects that need to be obtained after its application.

Surface preparation

Plastering the foundation can begin once the mixture has been chosen and the necessary tools have been set up. Surface preparation is the first step in the work process. The type of base the wall has at this point—brick, debris, concrete, reinforced concrete, or any other material—determines the work that needs to be done. However, keep in mind that this step is crucial and should never be skipped as it will guarantee the durability of the plaster layer that is applied later.

Preparation of a brick base

In order to get ready for a brick wall, you should:

• Check all the seams for cracks, dips and crumbling areas.
• After they are found, carefully remove the dried mortar and fill the seams again.
• All fragments of brickwork that have loosened must be replaced with new ones that will be mechanically strong and stable.
• Small voids and chips in bricks can be covered with cement plaster and allowed to dry completely.

Preparing a rubble or rubble concrete base

Before applying plaster to a base made of rubble, you should do the following manipulations:

• Identify masonry elements that have lost their original stability.
• They are taken out, cleaned of the old dried composition and installed in their original place, securing them with a high-quality cement mixture.

Plaster finishing must wait until the new composition, which is spread throughout the debris, is fully dry before beginning.

Preparing a concrete and reinforced concrete foundation

It’s also necessary to look for fractures and formed voids in concrete or reinforced concrete bases. A putty composition or a diluted cement-sand mixture is used to cover small cracks.

The composition needs to be applied in multiple layers, allowing each to fully dry, after the voids have been tapped out. An area that is damp when the second layer is applied will quickly peel off once more.

Applying decorative plaster on the base

You may move straight on to applying the plaster once the primary surface possesses the required strength and is free of flaws of any size. However, you must first carry out the fundamental manipulation, which is to apply the soil. You really should brush off all of the dust and debris that has accumulated on the wall before doing that. Either use a vacuum cleaner in blower mode to complete the task, or use a wet cloth to cover the entire surface.

A high degree of adhesion between the base and the outer layer of facade plaster is made possible by the primitive composition. The plastered layer will probably start to crumble and fall off after a short while if you don’t apply the soil. You will consequently need to make repairs, which will cost you more money and effort.

Plastering without insulation

Applying the composition directly to the base is the next step in finishing it. The steps involved in doing this are as follows:

• Fix the plaster mesh. It allows the composition to be securely fixed to the wall and prevents its further delamination.
• Then set up beacons, which are oriented in the plane.
• Using the spray method, apply the plaster layer and roughly level it in the vertical direction. To do this, you will have to fix the edged board, which will protrude above the edge to the height of the plaster thickness.
• In the area of ​​the corners, vertically directed boards are set up, forming a kind of special platform.
• The thickness of the rough layer reaches a maximum of 2 cm. It is also important, when mixing the composition for spray application, to make it more liquid so that it fills all the small cracks and recesses.
• Then level it slightly, focusing on the beacons. Let it dry slightly.
• Apply the next layer of primer. Allow to dry completely in natural conditions.
• Perform the main layer of plaster, which is applied with a spatula or trowel. Alignment is performed by the rule. As a rule, such manipulations are performed 2 or 3 times.

Warming foundation decoration

If it is first necessary to improve the energy efficiency of the base, plastering is done in accordance with the material that serves as a heater. With the exception of applying the adhesion layer, all of the actions in this instance are comparable to those described above. In this instance, soil is not applied on top of the insulation and is not necessary. However, the plaster mesh attachment is also necessary.

Aspect	Details
Choosing the Right Type	Select a plaster that is durable, weather-resistant, and matches your aesthetic preferences.
Preparing the Surface	Ensure the base is clean, dry, and properly primed for better adhesion.
Application Method	Use appropriate tools like a trowel or sprayer for even coverage.
Finishing Touches	Add a sealer or protective coating to enhance durability and appearance.
Maintenance	Regularly inspect and clean the plaster to maintain its look and protect the foundation.

Your base and foundation can be beautifully enhanced and protected with decorative plaster. You can create an attractive and long-lasting finish that can withstand the elements by selecting the right type and applying it correctly.

When choosing your plaster, take into account the unique circumstances your foundation will encounter, such as variations in temperature and moisture content. In order to guarantee that the plaster sticks properly and offers durable protection, proper preparation and application are essential.

Decorative plaster gives your foundation an additional layer of protection from the elements in addition to improving its aesthetic appeal. It is possible to attain a finish that is both aesthetically pleasing and functional with careful planning and execution.

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