Technical doors


Technical doors SOUNDPROOF DUO

A SOUNDPROOF DUO single or double leaf door in non-rebated system.
The door leaf structure consists of a rail and stile set made of coniferous wood topped with HDF board. The core is made of a solid chipboard (A type) or special POL-SKONE structure (B type). The door is available in a single or double leaf version with a wooden frame (DUO fixed or DUO adjustable). The door leaf is provided with a drop seal.


  • A type single and double leaf – class Rw=27 dB
  • B type single leaf – class Rw=37 dB
  • B type double leaf – class Rw=32 dB

Mechanical class: mechanical resistance requirement class 2, i.e. average service conditions

ITB technical approval: AT - 15-6411/2016


  • Concealed hinge (adjustable in 3 planes) (“60”-“70” – 2 units; “80”-“90” – 3 units)
  • Lock:
    - single leaf door - a cylinder type magnetic lock or a key type magnetic lock
    - double leaf door - a cylinder type lever tumbler lock or a key type lever tumbler lock
  • Drop seal

ADDITIONAL EQUIPMENT (at an extra charge)

  • Surface-mounted or hidden door closer
  • Additional mortise or surface-mounted lock
  • Surface-mount solenoid keepers supplied by ASSA ABLOY,
  • Viewer
  • H version woodgrain (only on the surface)


POL-SKONE Sp. z o.o.

ul. Hanki Ordonówny 8
20-328 Lublin, Poland

Opening hours:
Monday to Friday: 7 am - 6 pm
Saturday: 7 am - 3 pm

phone:: +48 81 728 52 00
fax: +48 81 744 39 12