Recommended for spacing no smaller than 7 mm.

  • Concealed from the first board to the last.
  • Constructive wood protection against moisture.
  • Optimal rear ventilation through spacing between the boards and the joists.
  • Also suitable for wood board facades for which rear ventilation is needed.
  • Easy installation with mounting templates.
  • Allows shrinking and swelling of wood.
  • UV and weather-resistant fiberglass reinforced plastic.


  • Even the best connecting system cannot compensate the poor quality of some timber. Please ensure that the timber is dry and in particular avoid timber from the core and spiral-grained boards.
  • Maximum recommended length of the boards is 3 meters (9.8 ft.).
  • Pre-drill, particularly with hardwoods, such as oak.
  • Follow the installation instructions of your timber supplier.