169*26mm Exterior WPC Wall Panel Co Extrusion Low Maintenance
Product Details
169*26mm Exterior WPC Wall Panel
,Exterior WPC Wall Panel Co Extrusion
169*26 Premium & Low-Maintenance Co-Extrusion Outdoor WPC Wall Panel
Product Summary
As a second-generation co-extrusion profile, it features an advanced high-density polymer armor molecularly fused around a high-strength composite core. This technical shield provides excellent resistance against scratches, scuffs, and stubborn organic stains while maintaining a near-zero water absorption rate that blocks mold and rot. Delivering the luxurious aesthetics of natural timber alongside modern architectural lines, this maintenance-free solution requires no painting, making it the perfect upgrade for upscale residences, resorts, commercial centers, and coastal facades.
About this Product
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Polymer Armor All-Weather Protection
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Utilizing second-gen outdoor WPC wall panel technology, the robust polymer shield completely isolates the inner core from wind, rain, and aggressive coastal salt spray, preventing structural breakdown.
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Wipe-Clean Shield Surface
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The non-porous exterior armor acts as a permanent barrier against oils, bird droppings, and industrial smog. Stains sit superficially on the layer and can be washed away with a simple garden hose.
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Deep-Embossed Luxury Wood Grain
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It features a multi-tonal, deep-embossed 3D texture that replicates the grain of expensive hardwoods, adding high-end architectural depth and value to any building vertical facade.
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Zero Periodic Staining Required
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Unlike first-gen composites or natural timber, this capped facade never requires annual sanding, sealing, or oiling, ensuring a significantly lower total cost of ownership over its 30+ year lifespan.
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Technical Specification
| 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 |
Certification
How to Install
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.
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.
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.
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.
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.
Accessories
Application Gallery
Colors
Our Factory
FAQ
Q1: Why is this second-gen outdoor WPC wall panel better for coastal projects than real wood?
A1: Real wood quickly cracks, warps, and rots when exposed to coastal humidity and salt air. This second-generation co-extrusion panel has a fully sealed polymer outer layer that is completely immune to saltwater corrosion, moisture absorption, and mold growth, ensuring a pristine look for decades by the sea.
Q2: Does the shield layer fade or change color unevenly under strong summer sunshine?
A2: No, it will not fade unevenly. The outer shield is formulated with premium, highly concentrated UV blockers during extrusion. This ensures that even under constant, intense tropical sunlight, the color remains exceptionally stable and locked in, preventing patchy discoloration across the facade.
Q3: How do I handle joints and corners during installation to keep the system premium?
A3: To match the high-end look of the second-gen panels, we supply matching co-extruded WPC L-corners and specialized aluminum trimming profiles. These accessories conceal cut edges flawlessly, maintain the water-resistant boundary, and allow for the mandatory thermal expansion gaps.
Q4: Is the co-extrusion shield durable enough to resist scratches from tree branches or pets?
A4: Yes. The polymer shield is engineered with an increased surface hardness rating, making it highly resilient against everyday impacts, scraping tree branches, and pet claws. It provides far superior scratch resistance compared to traditional first-generation composite panels.
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