PERFORMANCE

PERFORMANCE inward opening triple glazed window

Our best-selling cost-effective triple glazed timber inward opening tilt and turn window. Uw value 0.85 W/m2K.

IV78

Glazing & U values

Whole window U Value: Uw 0.85 W/m2K (Redwood)
Whole window U Value: Uw 0.94 W/m2K (Oak)
Glazing U value:: Ug 0.58 W/m2K
Triple unit: Argon fill 44mm
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

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

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

 

Most handles are compatible with our windows and doors so if you are looking for something a bit different to what is shown please get in touch with the windows team and we will be able to find something to suit your needs.


Affiliations & Accreditations