ULTRA triple glazed timber tilt & turn window Green Building Store


Green Building Store ULTRA triple glazed timber inward opening tilt and turn window

Triple glazed timber inward opening window (98mm profile), with insulated frame option. Uw value  0.75 – 0.68 W/m2K


  • Inward opening tilt and turn windows (outward opening also available)
  • FSC® timber in redwood & oak
  • Insulated frame window redwood option
  • BRE Green Guide A+
  • 98mm profile
  • Made exclusively for Green Building Store by our partners in northern Europe

Glazing & U values

Solid frame:
Whole window Uw 0.75 W/m2K Redwood
Whole window Uw 0.83 W/m2K Oak
Insulated frame:
Whole window Uw 0.68 W/m2K Redwood
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

Tilt & turn: 1300 mm x 2300 mm
Tilt only: 2000 mm x 950 mm or 1300 mm x 2300 mm

Test results

Air Permeability BS EN 12207: 600 Pa Class 4

Water tightness BS EN 12208: 600 Pa Class 9A

Wind load BS  EN 12210: 2400 Pa Class E2400

Exposure category BS 6375-1: 2400

* 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.

Please fill in the quick form below to download a copy of the product specification clause:

Affiliations & Accreditations