Two large Kerto® LVL-panels (width 2.5 meters and length 15 meters) are connected into one large panel with a height of 4.2 meters and length 15 meters. The panel is created from just 2 pieces of Kerto LVL previously cut from the end side. The designed element efficiently uses the prefabricated panels. Extra pieces from production can be further used for other panels of the lower height of 3.1 meters. Two large Kerto® LVL-panels (2.5mx15m) are previously cut from the end side in the longitudinal direction, placed on the horizontal plane and connected together with the glue. The further strengthening of the designed element can be provided by the additional metal connectors. The designed panel can take horizontal and vertical loads and has racking resistance.

Key benefit

Efficient use of the Kerto LVL panels, fast and ecological

Material list

2 panels of the Kerto LVL (2.5mx15m), glue

Ecological values

Efficient use of the Kerto LVL panels, fast mounting, sustainable



  • Economical span (mm) 15000
  • Thickness (mm) 75
  • Airbourne sound reduction factor (dB)
  • Impact sound transmission (dB)
  • Resistance to fire class
  • Thermal properties



  • This connection could work very well for LVL panels. But the depth of the tongue and groove would possibly need adjusting, so it doesn't break off and is easy to produce. If the depth is long enough, i.e. for thicker panels, it could also be used with mechanical fixings only, dependent on the application.


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