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The Trade Show. Window. Door. Facade.

29 March - 1 April 2022 // Nuremberg, Germany

A preliminary list of exhibitors registered for FENSTERBAU FRONTALE 2022 is available for download here.

As we receive new registrations every day, we update the list regularly.

Currently registered exhibitors of FENSTERBAU FRONTALE 2022 (as of 16 July 2021)

+++ The entries in the exhibitor & product database correspond to the registration status for FENSTERBAU FRONTALE 2020 from 18 February 2020. +++

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Exhibitors & Products FENSTERBAU FRONTALE 2020
Zoom Image LOGO_KT-RN für Kunststofftüren

KT-RN für Kunststofftüren

LOGO_KT-RN für Kunststofftüren

KT-RN für Kunststofftüren

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Low-energy and high thermal insulation values are buzzwords that currently accompany manufacturers of doors made of PVC profile sections through every stage of production. Energyoptimised system profiles with multiple sealing levels make a significant contribution to ensuring that the cold stays out and the heat stays in. The new three-piece Hahn KT-RN is based on this advancement which always leaves the seal unscathed without adversely affecting the desired look of a narrow butt hinge. With a hinge diameter of only 22 mm, it is one of the slimmest versions available on the market.


The hinge is able to support doors weighing up to 140 kg depending on the door frame situation. The door hinge achieved class 14 in the CE tests and is designed accordingly for doors subject to very high loads. The door hinge that is manufactured using extruded aluminium is provided for the most part factory-assembled. It can be used on either (left and right) side of the door without requiring any changes. With only one variation, the KT-RN accommodates all common profile sections with a rectangular upstand of 16.5 to 26.0 mm. In the same upstand range, another hinge variation with a specially developed door hinge contour allows for the use with frame combinations with an angled upstand between 4° and 6°.


Doors made of PVC profile sections for both residential and commercial structures

  • Main entrance doors
  • Side entrance doors
  • Interior doors
  • Exterior doors
  • Entrance doors for flats

No interruption of the sealing

No misalignment even after adjustment

Allows door to open up 180°

Door hinges are largely pre-assembled

Can be used on either (left or right) side of a door


Material: Constructed of extruded aluminium

Fastening method: Directly mounted in frame and door

Adjustability: Door leaf adjustable in six directions

  • Horizontal adjustment variable ± 3 mm
  • Height adjustment, variable up to ± 3 mm
  • Adjustment of sealing pressure ± 0.4 mm

Versions: Upstand dimension 16.5 – 26.0 mm

Load capacity: Max. 140 kg depending on the door frame design


  • CE certified according to EN 1935, hinge class 14
  • SKG’s 2-star

Colours: Hinges available in RAL colours and liquid coatings

KT-RN für Kunststofftüren is assigned to following product groups:


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