These windows can be operated manually or by motorised controls. They are available as bespoke products to meet a specifier’s exact requirements.
The double-glazed thickness of 28 mm gives thermal performance in line with the U-values that new and refurbished buildings must meet. Toughened, laminated and argon-filled glazing are available in a range of colours and tints. Insulation panels can be provided in place of glass where needed.
Vengen has been independently tested by BSRIA for aerodynamic and weather criteria and by Wintech to determine air leakage and water tightness.
These units can also provide smoke ventilation, and testing to EN12101-2 for heat and smoke extraction is planned for later this year.
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