Exterior doors
  • mer­anti wood, glued of three plies, with a solid surface
  • four coat­ings with SIKKENS paints
  • in the case of glaz­ing anti-​burglary P4 glass
  • dou­ble seal
  • strip-​mounted lock from GU with two patent locks of the ‘C’ class and with lock­ing studs
  • con­cealed hinges BAKA PRO­TECT 3D, adjustable in three planes
  • sill with a ther­mal insu­lat­ing inter­nal layer
  • HOPPE han­dle with an anti-​drilling escutcheon plate