Home » Products » WPC Decking » 143x22.5mm Hollow Round hole for WPC Decking Co-extrusion deck 3D woodgrain flooring


143x22.5mm Hollow Round hole for WPC Decking Co-extrusion deck 3D woodgrain flooring

  • Model:143H22.5
  • Length:2.9/3.6m/5.8m or customized
  • Type: Co-extrusion type 
  • Texture:with 3D woodgrain
Lead time:
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  • 143H22.5


  • 39259000

>Hollow decking features

Hollow round holes are a specific design feature found in WPC (Wood Plastic Composite) decking boards. These holes, typically circular in shape, are strategically placed throughout the decking boards to offer several benefits and functionalities. Here's some information about the hollow round hole design in WPC decking:

1.Weight reduction: The presence of hollow round holes helps to reduce the overall weight of the WPC decking boards. By incorporating these voids, manufacturers can optimize the material usage, resulting in a lighter product. This makes handling and installation easier while also reducing the load on the supporting structure.

2.Improved ventilation and drainage: The hollow round holes in WPC decking provide enhanced ventilation and drainage capabilities. They allow air to circulate beneath the boards, reducing the risk of moisture buildup and promoting better airflow. Additionally, the holes facilitate efficient water drainage, preventing pooling and potential water damage.

3.Thermal expansion and contraction control: WPC decking materials can undergo thermal expansion and contraction due to temperature fluctuations. The hollow round holes assist in managing these changes by providing space for the boards to expand and contract. This helps minimize the risk of warping or buckling, ensuring the long-term structural integrity of the decking.

4.Aesthetics and design flexibility: The presence of hollow round holes can contribute to the visual appeal of the WPC decking. They add a unique pattern and texture to the surface, enhancing the overall aesthetic of the outdoor space. Additionally, the design flexibility offered by these holes allows for creative installations and customization options.

5.Potential for hidden fastening systems: The hollow round holes in WPC decking boards can accommodate hidden fastening systems. These systems allow for a clean and seamless installation, as the fasteners are concealed within the holes, resulting in a smooth and uninterrupted deck surface.


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