Construction system "beam" refers to houses which walls consist of rectangular profile elements with tongue and groove. Profiled elements can be made from KVH beams, glued laminated timber or saw beams without embedded heart in beams. The thickness depends on the purpose and size of the construction. The standard thicknesses are 80, 140 and 220 mm, with extra insulation we get low-energy houses. The material comes from world famous manufacturers like Hasslacher. The processing is done on special CNC machines like Hundegger K2 or Uniteam.