Newly certified Manufacturers Certification criteria

No element found

0Products in the comparision list
Compare all


Certified since Nov. 13, 2023
Climate zone Cool, temperate
Type Operable
Sub Type
Efficiency Class phB
Material Aluminium
UW 0.80 W/(m2K)
Open type Inward opening


Aluminium frame with XPET (0.029 W/(mK)) thermal separation and PA66 separators. Separator flags equipped with low-e foil (emissivity determined at ift Rosenheim). Pane thickness: 52 mm (4/20/4/20/4), IGU inset: 15 mm. The certificate includes all frame and vent variants with the same width (sightline) from this product range.

Name Frame width U-Value Ψ-Value Frsi-Value
Mullion 2 casements 222 mm 0.84 W/(m²K) 0.022 W/(mK) 0.770
Flying Mullion 176 mm 0.91 W/(m²K) 0.022 W/(mK) 0.780
Bottom 143 mm 0.82 W/(m²K) 0.022 W/(mK) 0.777
Top 143 mm 0.82 W/(m²K) 0.022 W/(mK) 0.777
Lateral 143 mm 0.82 W/(m²K) 0.022 W/(mK) 0.777

Kawneer UK Limited

Astmoor Road
WA7 1QQ Runcorn
United Kingdom

U-Value Calculation

Please select preferred window layout