140*24 Weatherproof high rigid traditional composite WPC decking
Product Summary
This professional layout introduces the weatherproof, high rigid traditional composite WPC decking engineered for extreme temperature fluctuations and high-stress structural environments. By optimizing the rigid ratio of crystalline polymers and refined wood fibers, it achieves an incredibly low coefficient of thermal expansion, preventing brittle cracking in arctic cold or tropical heat. Simultaneously, it delivers an upgraded flexural modulus. This overview directly eliminates concerns over thermal deformation and sagging, providing a highly stable engineering flooring solution.
Product Features
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Extreme All-Weather Weatherproof Integrity
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Our traditional first-generation WPC decking is engineered to survive the most hostile natural environments. The advanced cross-linked matrix ensures the board does not become brittle or fracture in freezing winter temperatures (-40°C), nor will it soften or degrade under scorching desert summer heat, maintaining superior structural safety.
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High Rigid Structural Flexural Modulus
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Featuring a dense, heavily reinforced composite core formulation, these boards possess exceptional high rigid properties. They safely resist gravitational creep, structural warping, and the unsightly "wavy deformation" commonly seen in low-grade plastics, keeping the long-term walking surface perfectly flat and even.
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Uniform Thermal Stability Design
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Because the polymer-to-wood ratio is completely uniform from the upper surface through to the inner core, the material expands and contracts at a highly predictable, balanced rate. This uniform thermal movement prevents internal structural shearing or delamination, passing severe engineering freeze-thaw chamber tests with ease.
Technical Specification
| NO. |
Test Items |
Requirements |
Results |
Test Methods |
| 1 |
Surface abrasion resistance,g/100r |
≤0.15,and the paint film is not worn through |
0.100 |
✔pass |
| 2 |
Colour fastness to light, class |
Gray Card≥4 |
4 |
✔pass |
| 3 |
Formaldehyde emission,mg/m³ |
≤0.05 |
Not detected |
✔pass |
| 4 |
Minimum concentrated load, N |
≥3400 |
3562 |
✔pass |
| 5 |
Static bending strength,MPa |
≥26.0 |
27.2 |
✔pass |
| 6 |
Elastic modulus, MPa |
≥3000 |
4502 |
✔pass |
| 7 |
Water absorption, % |
≤1.0 |
0.9 |
✔pass |
| 8 |
Falling hammer impact at low temperature |
No crackat thetemperature of -10°C |
pass |
✔pass |
| 9 |
Anti-slippery value |
≥35 |
37 |
✔pass |
Certification
How to Install
1. Subframe Spacing (Max 350mm)
Install your joists (wood or aluminum) on a level, draining foundation. Joist spacing must be a maximum of 350mm center-to-center to prevent the deck from sagging.
2. Lock the First Board
Screw Starter Clips into the edge of each joist. Slide the groove of your first WPC board firmly into these clips to lock the outer perimeter without surface screws.
3. Install Center Clips
Slide Hidden Fastening Clips into the inner groove of the board at every joist intersection and screw them down. These clips automatically create the mandatory 5mm side-to-side expansion gap. Slide the next board into place and repeat.
4. Manage End-to-End Joints (Double Joists)
Where two board ends meet:
5. Perimeter Wall Gap & Fascia
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FAQ
Q1: How can an uncapped traditional WPC decking be truly weatherproof against ice and deep snow?
A1: Ice damage occurs when water penetrates a material, freezes, and expands. Our traditional WPC decking achieves its weatherproof status through high-pressure encapsulation of the wood fibers. Water cannot easily soak into the dense composite, meaning freeze-thaw cycles cannot create internal frost-wedging or brittle cracking.
Q2: What engineering parameters make this composite board a high rigid product?
A2: The high rigid rating is achieved by fusing high-crystallinity polymers with premium, long-strand wood fibers. This specific compound formula maximizes the flexural modulus and tensile strength, allowing the traditional decking to support massive structural weight across its spans without experiencing permanent sagging.
Q3: Will the weatherproof and rigid properties decline after 10 or 20 years of intense UV sun exposure?
A3: No. Unlike budget plastics that yellow, oxidize, and lose their rigidity under the sun, our weatherproof composite matrix is heavily integrated with advanced, long-lasting anti-aging agents and anti-oxidants. This keeps the core material flexible yet structurally rigid, ensuring it maintains its load rating for its 20-25+ year life.
Q4: Does a high rigid WPC deck allow installers to save money on the underneath joist spacing?
A4: While our high rigid traditional decking provides exceptional resistance to bending, building codes and engineering warranties strictly require following standard frame support parameters (typically 30cm to 35cm joist spacing for hollow profiles, and up to 40cm for solid profiles). This ensures maximum safety against extreme point-loads.
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140*24mm High Rigid Traditional Composite WPC Decking Weatherproof Images
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