Prefab Construction2018-09-20T11:16:13+00:00

Connecting Systems for Residential Timber Buildings

Quick and precise assembly of prefabricated homes is what we promise with KNAPP products  like the WALCO® V wall connecting system. Our advanced and innovative connecting solutions guarantees compliance with the most advanced, fully pre-manufactured walls, windows and doors. Don’t waste your time screwing and nailing, use our products to simply snap it together. This hassle free method applies to all advanced multi-level closed wall prefab and modular structures, timber frame structures, as well as fastening systems for facades.

KNAPP® Connectors are also compliant with the European certification (ETA), and carry the CE-marking KNAPP® to ensure the highest grade. KNAPP lets you focus on the quality of your work and not have to worry about the quality of the product.

WALCO® V

Connector for prefabricated walls up to 14 kN load bearing

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The WALCO® V wall connector set consists of a “dovetail” shaped hot-dip galvanized bracket and a specially shaped counterpart screw. An optional lock can be installed to latch the connection against the slide-in direction. Prefabricated walls can be connected to each other within just few minutes. Assembly is made simple through the spacious V-shaped bracket and only needs a 35 mm (1 ½ inch) distance to engage the screw with the bracket. WALCO® V is available in two sizes (60 and 80), and each size in four different kinds (KS, VK, EH, GH*).

  • Universal – connections can be made from timber to timber, to steel and to concrete.
  • Easy – no recess of bracket needed if the height of the planking is 13/15 mm (the counterpart screw can be recessed on the opposite side).
  • Effective – fast and accurate assembly on site – fully prefabricated walls are assembled without any screwing or nailing.
  • Stable – from the first wall corner on.
  • Saves labor – quick and easy assembly through spacious V-shaped bracket.
  • Unique – screws are screwed directly in the component with or without interlayer.
  • Flexible – assembly to the last wall and even interior walls.
  • Adjustable and aesthetically pleasing – connectors are recessed and therefore not visible when assembled. Screws can be readjusted in perpendicular direction to compensate building tolerances e.g. for seals and gaskets.
  • ETA certified (even for hardwood).

*KS = Hex-head screw, VK= collar bolt holding screw, EH=Adjustable retaining screw, GH=Retaining spring holding screw

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WALCO® 40

The wall connector for timber frame constructions up to 10 kN load bearing

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The WALCO® 40 set consists of two identical brackets made out of blue-galvanized steel. Commonly used gaskets can be installed on the prefabricated wall panels. When sliding the wall panels together, the brackets hook into each other in a dovetail-like manner and tighten up the joint. This allows the wall panels to be pre-manufactured to a large degree in a superior and advanced fashion and then connected on site with no screwing or nailing needed.

  • Efficient – wall connectors for timber frame and wood panel construction.
  • Large degree of prefabrication – no screwing or nailing on site.
  • Simple and easy – the wall panels are simply joined without and screwing or nailing.
  • Stable – from the first wall corner on.
  • Approved – For timber structures according to DIN 1052 and Eurocode 5 (EN 1995-1-1).
  • ETA certified (even for hardwood).

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