To achieve the desired dry-hanging stone effect with imitation-stone-coating, a water-based exterior paint that replicates the texture of marble and granite, it need a scientific jointing process. This technique prevents the subtle shadows from minor surface imperfections that can appear with large-area application, making the coating applications look more refined. Here are the key aspects of the most common imitation-stone-coating jointing processes:
Ⅰ、The Core Function of Jointing
In imitation-stone-coating applications, the jointing process does more than just address issues like color variations and cracking over large surfaces. By mimicking the joints of natural stone, it reduces the flat appearance of the coating, giving the exterior walls the three-dimensional, layered look of a true dry-hanging stone facade.
Ⅱ、The 6 Main Jointing Processes and Their Suitable Scenarios
- Flat Seam Process: This minimalist style uses only lines to create divisions without noticeable grooves, making it ideal for modern, minimalist residences and office buildings.
- Black-and-White Double-Line Process: A new trend that uses a prominent black main line and a secondary white line for a striking contrast. This process is perfect for trendy guesthouses and creative parks.
- Single Groove Process: Versatile and practical, this method uses a single groove (2-3 cm wide, 0.5 cm deep) and is the preferred choice for luxury buildings like villas and custom-built homes.
- Double Groove Process: This technique offers a highly refined look with two parallel grooves (2.6-4 cm apart, 1 cm deep), making it suitable for exclusive mansions and new Chinese-style courtyard houses.
- Arch Stone Process: This method provides a classic and elegant feel, using curved grooves to mimic the arched texture of ancient stone. It’s a great fit for European-style retro villas and historical building renovations.
- Polished Edge with Sealant Process: This emerging trend involves polishing the edges of the grooves and then applying a semi-transparent white polish, creating a more realistic and detailed finish. This process is best for high-end architectural projects.
Ⅲ、Preferred for Luxury Buildings: Single and Double Groove Processes For projects
Villas that use single or double grooves, the grooves need to be planned and shaped during the cement mortar base layer application. Three common materials are used for this:
- Aluminum Strips: These are hard and form straight lines, making them suitable for large, uniform areas.
- Foam Tape: This material is easy to use and cost-effective, ideal for curved walls.
- PVC Strips: These are corrosion-resistant, perfect for humid regions, but require careful sealing at the joints.
To further enhance the dry-hanging stone effect, you can polish the edges of the grooves after the coating applications have dried. Then, apply a polish to the edges, giving the finish a more realistic, detailed appearance that closely mimics natural stone.
Ⅳ、Summary
Choosing the right jointing process is crucial for successful imitation-stone-coating applications. By matching the technique to the building’s style (minimalist, retro, high-end, etc.) and carefully managing the dimensions and materials, you can transform a plain painted surface into an artistic facade that mimics the beauty and texture of dry-hanging stone.
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