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CarbonCore – a door that seals like a wall

The world's only patented carbon fibre front door construction.

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The world's strongest carbon door construction

At the heart of any good front door is its construction. CarbonCore is the world's strongest and only patented construction method developed exclusively for the front door. Carbon fibres are extremely light, stiff and several times stronger than steel, which is why they are used in state-of-the-art aircraft as well as the most prestigious Pirnar entrance doors. They do not warp in the scorching sun or in the coldest winters. As they seal better, there are no draughts. Opening is extremely easy.

Astonishiong advantages:

  • MAXIMUM STRENGTH
  • THE BEST SEALING SYSTEM
  • HIDDEN HINGES
  • WONDERFUL DESIGN
  • AMAZING STABILITY

Pirnar CarbonCore front doors

Pirnar's CarbonCore: German Innovation Award Winner 2022

An innovative CarbonCore construction is the receiver of the prestigious international German Innovation Award Winner 2022. It was given away by the German Design Council for advanced innovations, which are distinguished by originality, efficiency and ease of use. The jury, composed of independent experts from the worlds of technology, digitalisation and science, described CarbonCore as an innovation that perfects our lives and contributes to a better future.

German Design Award 2022

Posebna nagrada za CarbonCore inovacije

The outstanding innovation of Magnet WeatherSeal

The CarbonCore door combines two innovations: an extremely rigid carbon fibre construction and the Magnet WeatherSeal magnetic seal. It has been awarded an outstanding watertightness rating of 9A by the German testing laboratory Ift Rosenheim, remaining completely watertight at a pressure of 600 Pa, which corresponds to a wind speed of 114 km/h. This is six times the load that a conventional front door can withstand.

CarbonCore Graph

CarbonCore WeatherSeal

THERMAL TRANSMITTANCE

Thermal transmittance

0,80 W/(m2K)

WATERTIGHTNESS
CLASS

Watertightness

6A

WATERTIGHTNESS
AT WIND SPEED

Watertightness at wind speed

73 km/h | 250 Pa

AIR
PERMEABILITY CLASS

Air permeability

4

CarbonCore Magnet WeatherSeal

THERMAL TRANSMITTANCE

Thermal transmittance

0,71 W/(m2K)

WATERTIGHTNESS
CLASS

Watertightness

9A

WATERTIGHTNESS
AT WIND SPEED

Watertightness at wind speed

114 km/h | 600 Pa

AIR
PERMEABILITY CLASS

Air permeability

4

Other amazing benefits of CarbonCore

The CarbonCore carbon fibre construction brings stunning aesthetic and technical functionalities to Pirnar’s front doors:

  • robustness and durability#1
    HIDDEN HINGES:

    In addition to their outstanding robustness and durability, the hinges have been given a superior aesthetic value by being perfectly level with the door.

  • Weatherseal door seals#2
    IMPROVED SEALING:

    The WeatherSeal spring seal is six times as effective as seals on conventional constructions from other manufacturers.

  • CarbonCore door frame#3
    ELEGANT BLACK COLOUR:

    All the elements in the CarbonCore door frame and leaf are finished in elegant black.

  • Exceptional joint strength#4
    REINFORCED THRESHOLD:

    We have developed a brand new threshold of carbon and aluminium. The result is exceptional joint strength, which far exceeds the classic threshold-to-frame joint.

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