Because of its durability and versatility, polymer plaster is becoming a popular option for finishes on the inside as well as the outside. Polymer plaster provides better flexibility and weather resistance than traditional plaster, which over time may be prone to cracking and other problems. This makes it a dependable choice for many applications, regardless of whether you’re building a new home or remodeling an existing one.
The ability of polymer plaster to stick to a variety of surfaces, such as brick, concrete, and wood, is one of its key benefits. This means that it can be used for a wide range of projects, such as textured external facades and smooth interior walls. Better moisture resistance is also made possible by its composition, which is crucial in places where the weather is unpredictable.
The simplicity of application of polymer plaster is an additional advantage. Whether you’re a do-it-yourself enthusiast or a professional contractor, you’ll love how easy it is to mix, apply, and finish. It also comes in a variety of colors and finishes, so you can get the precise look you want without having to apply extra paint or treatments.
This post will discuss the main characteristics of polymer plaster, its advantages for various kinds of projects, and some useful application advice. See why polymer plaster makes sense for both interior and exterior surfaces, whether you’re thinking about using it for your upcoming project or you’re just interested in learning more about this cutting-edge material.
Classification.
The final coating’s properties can vary depending on the binding dispersions of polymer mixtures. These consist of acrylic, epoxy resin, and polyurethane.
- acrylic;
- silicone;
- silicate;
- siloxane.
Both water-based (acrylic, polyvinyl acetate, butane-styrene) and non-water-based (polyurethane, epoxy) polymers can be used to make plaster.
Acrylic.
This building material has gained popularity recently. It is applied to interior and facade projects. It offers several benefits.
- Due to its elasticity and strength, it protects walls from mechanical impacts.
- Protects the surface from moisture. If this polymer plaster was used for external work, then you can be sure of reliable protection of the walls.
- Temperature changes do not affect the condition. It is also UV resistant.
- This is a type of decorative plaster that is vapor permeable. Moisture is not allowed inside, but those fumes that have accumulated inside the room evaporate.
- Creates good sound insulation.
- Contributes to heat conservation, which makes it possible to save on heating costs.
- Has a wide range of colors and many textures. This material makes it possible to finish the surface to suit any taste.
- Does not require special skills for application. It is so easy to use that even a beginner can handle surface treatment.
- Contaminants from such a surface can be easily removed with plain water.
- Sold at an affordable price.
Silicone.
It is used on facades both inside and outside. Silicone solutions are regarded as being of excellent quality and durability. Decorative polymer plaster is used in many different climate-zone areas. It includes:
- silicone resins, which make this material unique;
- various fillers in the form of textile fibers, mineral granules;
- special additives that allow the layer to be resistant to sunlight;
- pigment (the color range is very wide).
The silicone plastered surface is shielded from moisture and cracks. The application can keep its original color for many years because contamination is very easy to remove and dust stays on the surface. Special ingredients in the composition also shield the walls from mold fungi, which is crucial in humid climates.
The only negative aspect of this material is its high cost, which is offset by its decorative qualities.
Silicate.
This material’s foundation is liquid glass. Additionally, it has synthetic dispersion, pigments, and unique fillers. These solutions are offered prefabricated.
Limestone and mineral bases work well with this type of polymer decorative plaster. It can also be applied to a silicate surface that is already old. Selecting this application will be a great option if the facade is insulated with mineral wool or foam.
There are several benefits to the material:
- This finish protects the walls from moisture, but allows the accumulated steam to escape.
- The material using liquid glass protects the surface from various fungi, mold.
- Silicate plaster perfectly repels water, is fire-resistant. Therefore, it is not afraid of strong sun, various precipitation, pollution.
- Such polymer plaster is used for interior work, facade finishing.
- It does not matter what base this product was applied to, be it plasterboard, cement, lime, all the qualities are preserved. It serves for many years without changing its appearance.
It can accommodate any design solution because of the extensive color range.
This product’s weak resistance to slanting, heavy rain is a drawback. The surface undergoes a partial color change, but everything returns to its original state after drying.
The cost of the silicate composition is equal to that of acrylic.
Siloxane.
This is a polymer facade plaster, and it’s not cheap. It serves as a last-minute remedy. The popularity of this building material is determined by its superb quality and lovely appearance. This type of plaster is a middle ground between silicone and silicate alternatives.
The following are this material’s principal benefits:
- excellent elasticity, which makes it possible to fill all pores and cracks. without allowing new ones to appear;
- it is not afraid of mechanical damage;
- has high adhesion;
- it is possible to tint it in any color;
- does not accumulate moisture;
- can be applied to a mineral base;
- dries very quickly after application;
- is slightly cheaper in price than silicone coating.
This outdoor polymer plaster has outstanding self-cleaning qualities. Products from manufacturers have advanced to the point where the coating is electrostatically neutral. By doing this, dust is kept from collecting on the surface.
Silothane plaster is made from silicone resins. There is a finished product that can be purchased and used right away to treat the surface without the need for preparation.
Old dispersion bases work well with polymer plaster. However, it is crucial to apply a silicone primer to the base first.
They typically include mineral components. It could be quartz, marble chips, or other small or large dispersion granules. Their primary responsibility is decorating. Their primary application lies in the completion of facades and other finishing tasks. For this reason, polymer-sand plaster is not a combination that is available. Since primary, rough work uses sand more frequently.
For both interior and external walls, polymer plaster is a flexible, long-lasting solution that resists cracking and provides improved weather and moisture resistance. It’s simple to apply, comes in a variety of finishes, and gives a durable, smooth surface that holds its appearance over time. Polymer plaster is a smart choice for any project because it combines practicality and aesthetic appeal, making it ideal for both interior home renovations and exterior wall protection.
Surface preparation.
In order to attain a superior outcome, you must give careful consideration to the surface preparation phase. After all, mistakes made during the preparatory phase are typically the cause of decorative plaster flaws. There are even artisans who are certain that the textured plaster will conceal all base irregularities and prevent them from being seen. But this is completely untrue. Only minor flaws are barely noticeable; large flaws, on the other hand, visually accentuate the unevenness.
The wall should be free of any lumps or holes. Plaster that is based on a polymer is typically applied in thicknesses ranging from 1 to 3 mm. There’s no way that a layer this thin can conceal significant flaws in the base.
Plaster needs to be applied to a wall that is smooth, strong, and free of various contaminants. The quickest to become ready for use are mineral bases. Some work well for covering wooden and metal bases.
After leveling the wall, primer is sprayed on it. Every polymer plaster manufacturer produces a suitable primer before using it for interior work or facade finishing. The purpose of this liquid is to improve adhesion and binding between the textured coating and base. The right kind of primer is indicated on the plaster’s packaging.
Craftsmen frequently use a different primer. This is a grave error! The ornamental layer won’t rest on the base as it should.
Additionally, you must track the amount of primer liquid used per square meter. Less application and saving will yield very inferior results. The base and the plaster mixture won’t adhere to one another well enough.
Can I add water to the mixture??
Utilizing the pre-made solution ought to keep it from drying out. Because it will be impossible to work with the mixture if it loses moisture. Water cannot be used to dilute it. Because introducing it, especially in excess, will cause the polymer bond to break, rendering the solution unfit for use.
Plasters made of silicate and acrylic are available premade, but they can also be diluted with water up to 10%. Diluting other polymer mixtures is not necessary.
How to apply?
You will need a trowel and a spatula for application. The smallest possible layer of the material is applied. The surface texture is formed by smooth movements.
You will need a wooden or plastic float for the final processing step. After application, the final grouting should be completed as soon as possible. For outdoor applications, polymer plaster is applied between +5° and +25° in temperature. Lower temperatures cause the surface to harden more quickly, increasing the risk of damage to the decorative layer. Extreme heat accelerates the dehydration process and increases the amount of material used. Little cracks appear and the final coating’s strength is diminished as a result.
After applying decorative plaster, the facade needs to be adequately shielded from atmospheric precipitation and potential mechanical damage for at least one day.
| Type | Application |
| Interior Polymer Plaster | Used for smoothing walls and ceilings inside buildings, offering durability and resistance to cracks. |
| Exterior Polymer Plaster | Ideal for outdoor surfaces, providing protection against weather conditions and ensuring a long-lasting finish. |
A robust and adaptable material for interior and external surfaces is polymer plaster. It offers improved flexibility, crack resistance, and longevity by fusing the advantages of modern polymers with the benefits of traditional plaster. Because of this, it can be used for a variety of projects, both commercial and residential.
Polymer plaster’s resistance to inclement weather is one of its main advantages, which makes it a great choice for outdoor applications. Additionally, it enables a beautiful, smooth finish that can be tailored with various colors and textures to fit your preferred style.
Polymer plaster is also reasonably simple to maintain and apply. You’ll value its workability and the polished finish it offers whether you’re a professional or a do-it-yourselfer. Because of its longevity, your walls will look fantastic for many years to come, requiring fewer repairs or replacements.
All things considered, polymer plaster is a wise investment for anyone hoping to improve the longevity and aesthetics of their walls. For a variety of construction projects, its strength, adaptability, and visual appeal make it an excellent option.
