Our Products/WPC cladding

Shadow Gap Cladding

  • Water proof

  • Eco-friendly

  • UV-resist

  • Low maintenance

Pattern Selection
  • CN001

  • CN004

  • CN006

  • CN007

  • CN014

Everything there is to know about Shadow Gap cladding

√   Modern open-joint appearance

√   Exceptional natural wood imitation

√   Colour guaranteed for 15 years

√   Multi-chromatic colours

√   Easy to install

Product Benefits

Co-extrusion layer

Hollow profile

Tongue and groove assembly

Shadow Gap composite cladding Installation
  • Material

    60% wood fiber + 40% HDPE

  • Section


  • Fasteners

    GWA026 stainless steel clip

  • Extrusion type

    Co-extrusion 360°

The advantage of a realistic and durable wood appearance.

Tired of maintaining your wood cladding? Try Grinwood co-extrusion wall cladding!

Grinwood co-extrusion composite cladding was developed using the latest extrusion technologies to combine the durability of co-extrusion with the warmth and appearance of wood. An elegant and contemporary false open-joint profile enhances the facade while preserving its natural beauty and warmth. Colors with random nuances contribute to the realistic impression of an untreated, natural material.

For many individuals, the composite solution is ideal for all types of projects.

A stable cell profile with lugs

The Grinwood profile is stabilized by its underside, or backing.

There are lugs on the back of the boards of Grinwood composite cladding, which naturally create an air gap between the support and the siding. In vertical installations, they help install boards only on a wood or metal framework. A further benefit of Grinwood board coatings is that they are rot-proof and do not absorb moisture. Circulation of air is solely for ventilation of the support.


Grinwood cladding has a stylish false open-joint profile that is resolutely modern and attractive. Facades with embossed designs break the monotony and regularity of facades. This design ensures effective runoff of rainwater because of its trapezoidal shape. Furthermore, these composite panels replicate the open joints of wood cladding perfectly!

Two possible installation choices - vertical or horizontal - accentuate the perception of height or depth for exterior facades.


Grinwood guarantees that, for a 15-year period under normal and correct service conditions, and under installation conditions in compliance with instructions written by Grinwood, Grinwood boards will not be subject to any defect related to their manufacturing, cracks, splinters, delamination, rotting or structural damage caused by fungi, wood-eating insects or termite attacks.

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

Grinwood Co-extrusion wall cladding 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.

The high-density polyethylene and wood fibre mixture forming the core of the board also ensures very good resistance to knocks and wear.

Technical documents
Drawing display