219 Ultra-Durable & Stain-Resistant Co-Extrusion Outdoor WPC Wall Panel
Product Summary
Utilizing an advanced 360-degree shield engineering process, a high-performance polymer armor outer shell is molecularly bonded around the robust composite core. This protective layer delivers near-zero water absorption, shielding the facade from stubborn stains, color fading, and mold growth. As a luxurious architectural solution featuring realistic, deep-embossed timber grain, it ensures a 30+ year maintenance-free lifespan, making it the ultimate premium choice for luxury villas, commercial facades, and high-end landscape designs.
Product Features
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360° Shield Co-Extrusion Armor
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Engineered as a second-gen outdoor WPC wall panel, it features a specialized polymer outer cap that seals the core against moisture, oxygen, and UV rays, preventing aging from the root.
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Ultimate Stain & Scratch Resistance
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The non-porous shield surface resists oil, grease, wine, and acidic rainwater. Stains cannot penetrate the layer and can be easily wiped away without leaving permanent shadows.
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Zero-Fading Fade-Free Performance
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Near-Zero Water Absorption Rate
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With water absorption testing near 0%, this capped facade wall panel will never swell, rot, peel, or warp, even when installed in extreme tropical rainforest or swamp environments.
Technical Specifications
| No. |
Parameter |
Standard Specification |
Test Method |
| 1 |
Formaldehyde |
E0 Grade (≤ 0.05 mg/m³) or Not Detected |
EN 717-1 / ISO 16000 |
| 2 |
Flexural Strength |
≥ 25 MPa |
ASTM D790 / EN 310 |
| 3 |
Flexural Modulus |
≥ 2,500 MPa |
ASTM D790 |
| 4 |
Brinell Hardness |
≥ 80 MPa |
EN 15534-1 |
| 5 |
Falling Mass Impact |
No cracks, residual indentation ≤ 0.15 mm |
EN 15534-4 |
| 6 |
Water Absorption (24h) |
≤ 0.5%(Excellent waterproof barrier) |
ASTM D1037 / EN 317 |
| 7 |
Moisture Swelling Rate |
Thickness: ≤ 0.9% / Width & Length: ≤ 0.1% |
EN 15534 |
How to Install
1.Surface Prep & Joist Layout / Base Layer Construction
Ensure the base wall is flat, dry, and structurally sound. Install a moisture barrier if necessary. Fix the substructure joists (aluminum, steel, or treated timber) vertically or horizontally depending on your panel orientation. Joist spacing (span) must be less than 50cm (ideally 35cm to 45cm) to prevent panel deflection.
2.Establish Ventilation & Air Gap
Ensure a continuous air gap of at least 25mm behind the panels. This allows supply air to enter from the bottom and exit from the top, preventing trapped moisture, mold, and heat buildup behind the facade.
3.Fixing the First Panel
Install the starter clips or position the first WPC panel at the base or corner of the wall. Use flat-head self-tapping stainless steel screws to secure the female/male joint point directly onto the joist frame. Use level tools to ensure it is perfectly plumb.
4.Interlocking Panels & Expansion Gaps
Slide the next panel into the groove of the previous one. Crucial EEAT Requirement: Due to natural thermal expansion and contraction, if installing under 20°C, a 2mm to 5mm gap is strictly required at each butt joint (end-to-end connection) where two wall panels meet. Use extra joists at the ending of each panel to support joint points.
5.Trims & Edge Finishing
Install matching WPC corner trims, L-profiles, or fascia boards to cover exposed edges, windowsills, and door frames, sealing the system nicely against water ingress while maintaining a sleek aesthetic.
Gap is King
Never butt panels tight end-to-end; leave a 2-5mm thermal expansion gap. Always leave 25mm space behind the panels for airflow.
Solid Base
Do not screw directly into concrete. Max joist spacing: 50cm.
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FAQ
Q1: What is the main difference between first-gen and this second-gen outdoor WPC wall panel?
A1: The core difference is the outer shield layer. First-gen panels have exposed wood fibers that absorb moisture and fade over time. Second-gen co-extrusion panels have a 360-degree premium polymer jacket that makes the panel completely waterproof, stain-proof, scratch-resistant, and highly fade-free.
Q2: Can oil grease or spray graffiti be cleaned off the second-gen co-extrusion wall panel?
A2: Yes, very easily. Because the outer shield is entirely non-porous, oil grease, stubborn dirt, or temporary spray paint cannot bond deep into the material. You can wipe them off cleanly with warm soap water, standard household detergents, or a pressure washer without damaging the finish.
Q3: Does the co-extrusion shield peel off or blister after years of outdoor hot summers?
A3: No, it will never peel. The shield and the inner WPC core are co-extruded simultaneously under high temperatures (200°C+) and massive pressure. They are molecularly fused into a single, inseparable unit, ensuring no blistering or delamination even during extreme seasonal temperature cycles.
Q4: Can I sand down the surface of a second-gen co-extrusion panel if it gets scratched?
A4: No, you must never sand a second-generation panel. Sanding or using steel wire brushes will ruin the polymer shield layer and expose the inner composite core underneath, destroying its waterproof and UV protection properties. For minor scuffs, apply a small amount of mineral oil to blend the mark.
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Durable Exterior WPC Wall Panel Co Extrusion Stain Resistant Images
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