ULTRA triple glazed casement outward opening timber windows Green Building Store

ULTRA

Green Building Store ULTRA triple glazed timber window outward opening casement with Passivhaus certified option

Triple glazed timber outward opening casement window (98mm profile), with Passivhaus-certified insulated frame option. Uw  0.75 – 0.68 W/m2K

OUT98

  • Outward opening (inward opening also available)
  • High performance triple glazing
  • Passivhaus certified insulated frame option
  • FSC® redwood or oak timber
  • Secured by Design option
  • 98mm profile
  • BRE Green Guide A+
  • Made exclusively for Green Building Store by our partners in northern Europe

Glazing & U values

Solid frame:
Whole window U value: Uw 0.75 W/m2K (Redwood)
Whole window U value Uw 0.83 W/m2K (Oak)

Insulated frame:
Whole window Uw 0.68 W/m2K (Redwood – Passivhaus certified)
Whole window Uw 0.72 W/m2K (Oak)

Glazing U value: Ug 0.52 W/m2K
Triple unit: Argon fill 52 mm
Light transmission value: 74.1%


Typical maximum sizes

Fixed light: 2500 mm x 2500 mm
Side hung: 950 mm x 1520 mm
Top hung: 1300 mm x 1650 mm


Test results

Air Permeability BS EN 12207: 600 Pa Class 4

Water tightness BS EN 12208: 1500 Pa Class E1500 (Top hung)

Water tightness BS EN 12208: 600 Pa Class 9A (Side hung)

Wind load BS  EN 12210: 1600 Pa Class C4 (Top hung)

Wind load BS  EN 12210: 2400 Pa Class CE2400 (Side hung)

Exposure category BS 6375-1: 1600 (Top hung)

Exposure category BS 6375-1: 2400 (Side hung)

* U values calculated for standard single window 1230 X 1480

Please see some sample styles below. If you can’t see the style you’re looking for, please get in touch, as everything we do is bespoke and made to your requirements.





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