As a rule  in the house  external doors with a height of 2100 mm and a width of 900,1000 or  1200 mm. A door with a width of 1200 mm includes an additional block with a width of 300 mm. The height of a single module depends on the construction of the floor (Specifically, how much the clean floor rises in relation to the subfloor. 

Door module

€24.41Price
  • Module height 2100 mm, width 350 mm. Made of calibrated, strength-graded wooden beams. Wood strength class C24