Qingdao Limo Building Materials Co., Ltd. is one of the most reliable manufacturers and suppliers of durable faux stone pu panels outdoor wall decor in China. With abundant experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for pricelist.
Product Specification: High-Density PU Stone Wall Panels
PU Stone (Polyurethane Stone) is a premium architectural cladding material engineered to provide the raw, aesthetic appeal of natural masonry without the structural weight or installation complexity. It is manufactured through a high-pressure injection molding process using high-density polyurethane foam, resulting in a product that is visually indistinguishable from real stone.
1. Core Material Composition
The panels are composed of High-Density Polyurethane (PU). Unlike traditional plastic panels, this material is rigid, impact-resistant, and chemically stable.
Density: $\approx 220\text{--}320\text{ kg/m}^3$
Surface Coating: Multi-layer UV-resistant architectural paint that mimics the mineral variations of natural rock.
2. Premium Features & Benefits
Each panel is cast from molds of genuine stone (slate, volcanic rock, travertine, or granite). This ensures that every ridge, crevice, and texture is captured with high-fidelity precision.
B. Ultra-Lightweight & Structural Safety
At roughly 1/10th the weight of natural stone, it eliminates the need for wall reinforcement or heavy-duty anchors.
Ideal for retrofitting old buildings where structural load-bearing capacity is a concern.
Interlocking System: Designed with tongue-and-groove edges for seamless joints.
Tools: Can be cut, nailed, and drilled using standard woodworking tools (circular saws, pneumatic nail guns).
Speed: Reduces installation time by up to 70% compared to traditional masonry.
D. Environmental & Weather Resistance
Weatherproof: Non-porous surface; does not absorb moisture, preventing mold, rot, or freeze-thaw cracking.
B1 Fire Rating: Available in flame-retardant grades that self-extinguish.
Thermal Insulation: Provides an additional layer of $R\text{-value}$ to the building envelope, improving energy efficiency.
3. Technical Specifications Table
| Feature | Details |
| Panel Dimensions | 1200 x 600 mm, 600 x 600 mm, or 2400 x 600 mm |
| Thickness | Range from 30 mm to 100 mm (depending on stone style) |
| Weight | Approx. 4.0 kg per square meter |
| Installation | Structural Adhesive + Stainless Steel Screws/Nails |
| Color Options | Anthracite, Concrete Gray, Rusty Iron, Sandstone, White, etc. |
| Service Life | 15+ years (Indoor/Outdoor) |
4. Versatile Applications
Commercial Interiors: Hotel lobbies, restaurant feature walls, retail showrooms, and office backdrops.
Residential Design: Fireplace surrounds (not in direct contact with flame), TV background walls, and basement renovations.
External Facades: Villa exteriors, garden fences, and storefront signage.
Hospitality: Creating a "Cave" or "Industrial" vibe in bars and boutique hotels.
5. Comparative Analysis
| Criteria | Natural Stone | PU Stone Panel |
| Weight | Extremely Heavy | Lightweight / Easy to Carry |
| Labor Cost | High (Professional Mason) | Low (DIY or Carpentry) |
| Maintenance | High (Requires sealing) | Low (Wipe with water) |
| Eco-Impact | High (Quarrying) | Low (Recyclable polymers) |
| Customization | Difficult to cut/shape | Easy to cut/shape on-site |
6. Installation Guide (Summary)
Surface Prep: Ensure the substrate (drywall, wood, or cement) is dry and flat.
Layout: Measure and mark your starting level line.
Cutting: Use a standard miter saw to cut panels to fit corners.
Adhesion: Apply high-quality polyurethane adhesive to the back.
Fixing: Interlock the panels and secure with screws through the flange.
Finishing: Use matching touch-up paint or putty to cover any visible nail holes or gaps.
Design Note: While PU Stone is highly durable, it is specifically designed for wall applications. It is not intended for use as flooring or in areas where it will be stepped upon or subjected to heavy abrasive traffic.
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