Green Building Store PROGRESSION high performance triple glazed timber door

Triple glazed timber entrance door to complement the PROGRESSION Passivhaus-certified window range.

  • Complements PROGRESSION Passivhaus certified timber window
  • Contemporary minimalist appearance
  • Manufactured by Slavona in the Czech Republic
  • Exclusive to Green Building Store in the UK

U Values & Glazing

As low as UD: 0.67 W/m2K

Maximum sizes

Entrance doors: 1226mm x 2479mm

Please note: For Part Q and Secured By Design items,  there may be size restrictions. Please get in touch to discuss. 

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Affiliations & Accreditations