As a flagship exterior coating by Limeijia, Sand-in-water Coating is highly favored for its lifelike stone-mimicking effect. A standardized application process is essential to ensuring both the final aesthetic and long-term durability. Drawing on 30 years of expertise in coating production and engineering services, Limeijia has streamlined a clear and efficient workflow. From substrate preparation to final protection, this process balances professional rigor with practical ease of use, making it ideal for large-scale architectural projects of all types.
Step 1: Apply one coat of Transparent Primer via roller or spray. Using Limeijia’s specialized primer, ensure even coverage across the substrate to seal pores and enhance the adhesion of subsequent layers. This critical step prevents common issues like efflorescence (alkali blooming) and blistering, creating a stable foundation for the entire system. Allow the primer to dry according to the product specifications to ensure full absorption by the substrate.
Step 2 is an optional process: Layout and Masking. Based on the project’s design requirements, use Line Coating to outline the wall contours and apply masking tape to divide the surface into sections. This not only enhances the aesthetic appeal of the facade but also effectively prevents the coating from cracking due to thermal expansion and contraction. During this step, ensure the lines are perfectly straight and the spacing is uniform. The tape must be removed promptly after Step 4 is completed to avoid peeling or damaging the coating.
Step 3: Apply one coat of Background Coating via roller or spray. Using the designated matching color, ensure even coverage without any missed spots. The color must harmonize with the primary tones of the Sand-in-water Coating to establish a consistent base for the stone-mimicking effect. Once dry, inspect the surface for flatness and repair any imperfections immediately to ensure a flawless finish.
Step 4: Spray two coats of Sand-in-water Coating. This is the core stage of the process. Using professional spraying equipment, apply a thin first coat as a base. Once dry, apply the second coat to ensure a uniform thickness and dense particle distribution, fully bringing out the natural stone texture and three-dimensional depth. During application, you must carefully control the air pressure and spraying distance to prevent issues such as sagging or uneven coverage.
Step 5: Apply one coat of Finish Coat via roller or spray. Once the Sand-in-water Coating is completely dry, apply the specialized protective topcoat over the entire surface. This forms a dense protective film that boosts the coating’s weather resistance, waterproofing, and stain resistance. It also enhances the gloss, ensuring the stone-mimicking effect remains vibrant and durable for years to come.
This streamlined process is simple, efficient, and highly controllable, making it perfect for both large-scale operations and high-precision detailing. Limeijia’s standardized workflow for Sand-in-water Coating takes the stress out of high-end exterior decoration. By combining superior product performance with professional application guidelines, it has become a preferred solution for architectural facades worldwide.
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