Progression Windows

by Green Building Store

Ideal for Passivhaus projects and low energy projects requiring cost-effective windows with minimalist, narrow sightlines. Certified by the Passivhaus Institut, achieving a certified component level of phA. It is not recommended to use this system when the fabric performance of the construction is not achieving insulation levels of < 0.15 W/m²K.

Features:
- Passivhaus certified A-rated timber window.
- Meets the Passivhaus airtightness requirements by a large margin.
- Contemporary minimalist appearance with narrow sightlines.
- Ultra low maintenance Thermowood on exterior facings.
- Timber and cork frame.

Specification Details for Progression Windows (Triple-Glazing Units)

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Green Building Store is consulted before specifying.

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