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An innovative secret-fix solution for decking

The secret-fix design of the DielenFix® provides a clean, face fixing free appearance for decking and ensures clearance between the underside of the decking boards and substructure battens. This results in enhanced durability of an optimally ventilated deck with no water traps. The DielenFix® also permits natural shrinking and swelling of the timber, thereby aiding stability and preventing end and surface splits.

Premature decay is a common decking issue in the UK as the timber may be subject to rain/water for a prolonged period of time. Moisture damage is most likely to happen when the deck is unable to dry out due to poor ventilation or because there are water traps. Russwood’s range of fixings and systems will avoid these problems.


To purchase DielenFix® click here.  


  • Provides a clean face with a fixing free appearance 
  • Ensures clearance between timber elements
  • Enhanced durability through ventilation - no water traps