The new AA®543 side-hung and bottom-hung open-in variants join the original AA®543 tilturn (tilt for ventilation and turn for cleaning) and an AA®541 casement and AA®542 pivot window to make the range even more flexible for projects where cost is a key driver.
The range suites with Kawneer’s AA®100 and AA®110 curtain walling, 451PT framing and door systems to give specifiers and architects ultimate flexibility for new-build and refurbishment projects in the education, healthcare, commercial, retail and residential sectors, particularly in high-rise applications.
The new side-hung and bottom-hung open-in variants use the same multi-chamber thermal break core as their older sister. This ensures thermal efficiency (U values down to 1.5W/m²K) and full compliance with Document L, while optional trickle ventilation also helps meet the requirements of Document F.
And in line with the range philosophy of complementing the increasing demand for environmentally-friendly window systems with aesthetic but highly secure building products, the AA®543 open-in turn-only is independently tested to BS 7950:1997 – Amendments 1, 2 and 3. In addition, the full opening in the turn position offers an escape route in an emergency (subject to size).
A pressure equalised system gives both the AA®543 side-hung and bottom-hung open-in variants excellent weather performance independently tested to BS 6375-1: 2009 and they are also compliant with Operation and Strength Test BS 6375-2: 2009.