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Our Products/Co-extrusion WPC decking

190*23 Co-extrusion Composite Board

  • Water proof

  • Eco-friendly

  • UV-resist

  • Low maintenance

Pattern Selection
  • Wood Vein

  • Matt Texture

  • Saw Mark

  • Smooth Surface

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Everything there is to know

√   Co-extruded decking

√   Reversible and removable profile

√   Different surface finish

√   Wood relief grained surface

√   Multi-chromatic colours

√   Stain and fading resistant

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Product Benefits

Co-extruded protection layer

Reversible profile: 2 effective sides

Characteristics
  • Material

    40% Polyethylene HD + 60% Wood fibre

  • Sizes

    23 x 190 mm

  • Fasteners

    GWA014 stainless steel clip

  • Extrusion type

    Co-extrusion 360°

  • Slipperiness

    Pendulum value≥36

  • Flexural properties

    Mean ≥ 3300 N Min. ≥ 3000 N

  • Water absorption

    Mean≤7% Max<9%

  • Fire test

    Class B

Characteristics
Resistant to all stains

Grinwood co-extruded boards require very little maintenance. Stains such as grease, wine or ketchup can be cleaned easily using soapy water.

It is recommended to wash your deck using a pressure washer (120 bar maximum) at least once a year to remove any moss, which tends to accumulate in the winter and in parts not exposed to the sun.

Tougher stains may be washed with white spirit without the risk of fading.

Protective layer

A fine layer of polyethylene covering the entire board efficiently protects the composite wood against water and any moisture being picking-up. Expansions recorded are very low, with only 1 mm per linear meter when exposed to a 30° variation temperature.

The board is completely rain-proof, and rain flows off without letting water penetrate the protected composite wood. UV-resistant additives are also added to this thin layer to avoid any fading over time.

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Grinwood WPC Material Co., Ltd. warrants to the original purchaser (“Purchaser”) that, for the period of times set forth in the following sentence, under normal use and service conditions, Grinwood product shall be free from material defects in workmanship and materials, and shall not split, splinter, rot or suffer structural damage from termites. The term of such warranty shall be fifteen (15) years from the date of original purchase for a residential application, and ten (10) years from the date of original purchase for a commercial application.

Grinwood guarantees the resistance of Co-extrusion deck boards to stains and fading, subject to compliance with instructions for installation and use in residential applications.

Grinwood Co-extrusion decking is fully resistant to stains, and its radiance is sustained by a co-extrusion process, which covers the board with a pure polyethylene film to ensure perfect sealing of the coating. Maintenance is easier and is limited to simply rinsing with water.

Clip installation


Grinwood boards must be installed in accordance with the installation instructions using GWA014 stainless steel clips.

These new dual-material clips help hold the stainless-steel screws in place during installation. Considerable time is saved during installation. Moreover, the universal stainless-steel screws are self-drilling in softwoods, exotic woods and aluminium joists.

Boards fastened using GWA014 clips can be easily removed without disassembling the entire deck.

Joist gaps (centre-to-centre distance) are at most 35cm for boards. Applying a joist barrier on softwood joists to extend their durability is recommended.

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Grinwood Co-extrusion Decking is an environmentally-friendly product. 90% manufactured with raw materials from the recycling industry, decking boards are also entirely recyclable.

High-density polyethylene (HDPE) comes from the recycling of plastic waste (plastic bottles), and the wood fibers come from sawdust from manufacturers such as furniture makers.

Manufacturing Grinwood decking boards does not harm tropical forests and is an attractive alternative to exotic woods.

Technical documents
Drawing display