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Cement Based Plaster for EIFS/ETICS

WOTAI Support Your EIFS/ETICS Installation

WOTAI construction additives strongly support your EIFS/ETICS installation. Our HPMC, RDP powder, and pp fibers are extremely popular in EIFS coatings. We stand behind our solutions and provide you with the excellent results you desire.

External Thermal Insulation Composite System (ETICS system). Sometimes also called EIFS (exterior thermal insulation finish system). It’s a multi-layer external wall cladding system that provides good thermal insulation and weather resistance. It is a popular choice for energy-efficient buildings. ETICS insulation is a lightweight system that can improve a building’s energy efficiency and reduce heating and cooling costs. It can also protect against weather elements, such as rain and wind. However, proper installation and maintenance are crucial to ensure the durability and longevity of the system.

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3 Great Advantages of Cement Plaster with HPMC

WOTAI HPMC is a crucial component in EIFS cement plaster, improving workability and performance. EIFS cement-based plaster consists of Portland cement, fine aggregate (like sand), and water, forming a consistent finish on interior and exterior walls. Gypsum plastering is usually used for interior wall cement plasters; however, various advantages come with using cement-based plaster for EIFS. Cement-based plaster with HPMC provides but is not limited to increased waterproofing, reduced cracking, improved insulation, a simplified application process, and increased design flexibility.

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Durability

Cement-based plaster is highly resistant to water, fire, and pests, making it ideal for use in areas that experience extreme weather conditions. It can also withstand impact and is less probably to crack, peel, or fade over time than other finishing materials.

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Versatility

Applicable for any surface, including brick, concrete, metal, and wood. Additionally, cement-based plaster is a breathable material that allows moisture to evaporate outwards, preventing the buildup of moisture and fungi that can lead to structural damage.

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Easy Maintenance

Cement-based plaster is easy to maintain over the long term. While it may require occasional cleaning or repainting, it generally requires less upkeep than other finishing materials, lowering the overall cost of maintaining an EIFS/ETICS system.

The Most Crucial Cement Based Plaster Ingredient

Cement-based plaster is essential for EIFS/ETICS components. When added with HPMC, it provides excellent adhesion and cohesion to the substrate, indispensable for a successful EIFS/ETICS installation.

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    HPMC

    HPMC significantly enhances the performance of cement or mortar, such as cement and plaster. Adding HPMC in cement-based mortar can improve its water-holding capacity. And it reduces sagging phenomena.

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    HEMC

    HEMC from WOTAI provides multiple advantages for cement r mortar. It’s used as a dispersant, water-retaining agent, thickener, and binder. It increases workability and cohesiveness. And reduces shrinkage.

FAQ

Have any questions? We’re here to help you out.

How to apply cement-based plaster for EIFS/ETICS?

Before applying the cement-based plaster, it is necessary to prepare the surface, which includes cleaning and adding a base coat. The next step is mixing the application according to the manufacturer’s instructions. The mix should be smooth and free of lumps.

Start applying the plaster at the bottom of the EIFS/ETICS system and work your way up using a trowel to apply with even thickness. Allow the first layer to harden before applying subsequent layers, usually 24-48 hours. Once the final layer has been applied, gently use a damp sponge to work the surface to produce a smooth, even finish. After the plaster dries out, it can be painted or finished with various decorative treatments.

What are EIFS/ETICS's main components?

The main components of EIFS are the insulation board, the base coat, the render or brick slips, and the adhesive mortar. The insulation board is usually made of EPS or XPS, and the base coat is a cement-based plaster. The render or brick slips are bonded to the insulation board with an adhesive mortar.

What is cement plaster used for?

Cement plaster is consistently the best choice for external wall plasters due to its moisture-resistant properties that safeguard walls from varying climates and pollution. Moreover, its superior longevity is what makes cement plaster the preferred product for internal plastering as well.

Why is cement-based plaster so popular in EIFS construction?

Cement plaster is an effective wall-finishing solution, especially for exterior walls. It’s moisture-resistant and able to withstand environmental pollution and weather changes. Furthermore, it’s highly durable – making cement plaster a good choice for interior walls.

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