Wind resistant crack resistant coextrusion WPC fence
Product Summary
This professional engineering breakdown presents the wind resistant, crack resistant coextrusion WPC fence designed for high-wind and volatile climates. Combining an internal reinforced multi-cavity structure with a high-toughness co-extruded outer cap, it achieves superior flexural strength and maintains molecular stability during extreme seasonal temperature shifts. This overview directly addresses common field issues like structural wind failure and thermal cracking, delivering a highly reliable boundary fencing solution for coastal and storm-prone regions.
About this Product
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Engineered Wind Resistance & Structural Stability
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Featuring optimized structural wall thickness and an interlocking tongue-and-groove profile, our second-generation coextrusion fence is engineered to withstand high wind loads. When installed with heavy-duty aluminum posts, it forms a solid acoustic and physical windbreak that safely protects your estate.
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Ultimate Crack and Delamination Resistance
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The outer polymer cap and the inner composite core are co-extruded simultaneously under extreme thermal pressure, creating an inseparable molecular bond. This prevents the outer shell from peeling, blistering, or cracking when exposed to the severe freeze-thaw cycles of winter and the scorching heat of summer.
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High Flexural Strength Under Heavy Load
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The dense core formula combined with a resilient outer shield gives the fence panels incredible structural memory. Even under continuous physical stress or strong wind pressure, the panels resist permanent deformation, sagging, or warping, ensuring a long-lasting premium vertical alignment.
Technical Specification
| No. |
Test Item |
Standard Range |
Test Standard |
| 1 |
Water Absorption |
≤1.0% - 2.0%(24h) |
ASTM D1037 |
| 2 |
Flexural Strength |
≥ 20 MPa - 30 MPa |
ASTM D7032 / EN 310 |
| 3 |
Flexural Modulus |
≥ 1800 MPa - 2500 MPa |
ASTM D7032 |
| 4 |
Impact Resistance |
≥ 10 J |
EN 15534 |
| 5 |
Fire Rating |
Class Bfl-S1 |
EN 13501-1 / ASTM E84 |
Certification
Why 160mm is the Commercial Gold Standard for Outdoor WPC Fences?
1. Maximum Container Load Efficiency
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Zero Dead Space: A standard shipping container has an internal width of 2.35m. Exactly 14 rows of 160mm panels fit perfectly flat side-by-side across a heavy-duty export pallet (160mm* 14 = 2240mm).
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Freight Savings: This eliminates shifting during ocean transit and maximizes volume capacity, driving shipping costs per square meter to the absolute minimum.
2. Ultimate Strength-to-Weight Ratio
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Structural Rigidity: Over-wide hollow boards (above 200mm) prone to center-sagging and face-cupping under intense sun exposure.
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Ribbed Stability: The 160mm span allows 3 to 4 internal reinforcement webs to create a high-stiffness arch matrix. It reduces total deadweight while ensuring excellent flexural modulus (MOE) against impact.
3. Perfect Code Match (Zero Jobsite Waste)
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Standard 6ft Height: Standard Western perimeters require 6-foot (1.8m) heights. With a 145mm effective coverage, exactly 12 stacked panels plus top/bottom aluminum rails hit the 1.8m mark flawlessly.
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Labor Savings: Contractors do not need to perform longitudinal ripping or trimming, saving up to 50% in onsite manual labor costs and eliminating material scrap.
4. Thermal Expansion & Premium Aesthetics
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Anti-Warping: WPC expands and contracts with temperature shifts. A 160mm width keeps thermal movement to a manageable micron scale. Working with side-post expansion gaps, it prevents the buckling or bulging common in wider profiles.
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Luxury Reveal: Architecturally, 160mm mirrors high-end American shiplap timber siding, providing deep, elegant 3D tiered shadow lines that maximize curb appeal.
How to Install
Performance Advantages
Colors
Our Factory
FAQ
Q1: How does a wind resistant coextrusion WPC fence perform during severe storm seasons?
A1: Its wind resistance depends on its rigid interlocking profile and professional post integration. The fence panels slide and lock tightly together, distributing wind pressure evenly across the entire support matrix. Unlike traditional wood pickets that rattle and snap, it safely absorbs and deflects storm forces.
Q2: What prevents the coextrusion fence from cracking during extreme winter freeze-thaw cycles?
A2: Cracking in standard composites is caused by internal moisture freezing and expanding. Because our coextrusion fence has a 100% waterproof, crack resistant outer shield, moisture cannot penetrate the core. Without internal water accumulation, the thermal freeze-thaw cycle poses zero risk of splitting the material.
Q3: Will high wind-blown sands scratch or weaken the crack resistant outer shell?
A3: No. The cap stock is engineered using a high-density polymer matrix that blends elasticity with high surface hardness. Wind-blown sand or gravel in arid coastal or desert areas will bounce off the surface without causing deep structural cracks or peeling the protective outer layer away.
Q4: Do I need special engineering posts to ensure the fence stays wind resistant?
A4: To fully realize the wind resistant capabilities of the coextrusion WPC panels, we highly recommend installing them with our heavy-duty internal aluminum steel-reinforced posts. This combining of flexible, strong WPC panels with rigid commercial metal posts provides the ultimate engineering wind load safety.
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Coextrusion WPC Fence Board Wind Resistant Crack Resistant Images
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