Brio Weatherfold 4s Window 35 is designed for exterior folding windows in residential or light commercial applications with up to six panels folding in one direction. Each window sash can weigh 35kg by 1000mm wide comfortably accommodating a span of 12 metres. This is made possible by the new recessed bottom guide system.
The guide system not only provides stability for folding up to 12 window sashes, its concealed low profile design and excellent weatherproofing capabilities make it an ideal option for window sills.
Panel type: External timber or aluminium
Max sash weight: 35kg
Max sash width: 1000mm
Max sash height: 1800mm
Min sash thickness: 35mm
Max number: 6 each way
With 30+ brands sold in over 120 countries across the globe, we specialise in doorway and access security.
© Allegion plc, 2025
Website design Melbourne
