PROGRESSION

Green Building Store PROGRESSION Passivhaus certified timber window with narrow sightlines 3

Green Building Store is launching a new Passivhaus certified A-rated timber window range at the UK Passivhaus Conference today (16/10/14). The new PROGRESSION range offers high performance minimalist design with narrow sightlines and ‘frameless glazing’, for Passivhaus & low energy projects.

When installed correctly, the PROGRESSION frame is hidden within the insulation at the wall junction, giving the appearance of ‘frameless’ glazing from the outside. The proportion of glazing to frame and the highly insulated narrow frames contribute to PROGRESSION meeting the Passivhaus Institut’s A-rated window certification.

The PROGRESSION frame includes Thermowood thermally-modified timber on external facings, which requires minimal or no maintenance throughout the window’s lifetime. PROGRESSION uses cork insulation within the frame and laminated spruce for the internal facing timber.

Chris Herring, Director of Green Building Store, commented: “PROGRESSION offers Passivhaus designers a minimalist, contemporary design and Passivhaus certified A-rated performance. The range perfectly complements our other high performance timber window ranges and we are delighted to be able to bring PROGRESSION range to the UK for the first time.”  

PROGRESSION A rated Passivhaus certified window

Key features

  •     Minimalist design with ‘frameless glazing’
  •     Low maintenance Thermowood on exterior facings
  •     Timber and cork frames
  •     Whole window U values as low as 0.68 W/m2K
  •     Passivhaus certified, A-rated component

Green Building Store are sole UK agents for the PROGRESSION range, in partnership with Czech manufacturer Slavona. The range has already been used on Green Building Store’s current West Yorkshire newbuild construction project, the Golcar Passivhaus project.

For more information, contact Green Building Store on 01484 461705 or go to www.greenbuildingstore.co.uk

16th October 2014

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