These great-looking, curvy folding openers achieve the perfect balance of form and functionality! Modern aesthetics combine with flexible design features to produce an adaptable folding opener system that gives secure restricted opening and can easily accommodate a range of step sizes from 0-26mm with simple adjustment and no need for packers. That makes Duoflex stepped openers ideally suited to most types of top-hung or centre-pivot outward opening PVC-u windows.

• Suitable for use on PVCu window frames
• Contemporary, sleek styling
• Easy-fitting and completely adjustable without packers to accommodate 0-26mm step sizes
• Distance between fixing centres: 48mm
• Minimum sash height: 250mm on windows with butt hinges. 400mm where friction hinges are used.
• Gives 150mm throw when opening and closing sash
• Over centre design gives secure locking when the window is closed
• Cycle tested to over 100,000 operations
• Available in silver grey and white finish. Other RAL colours available on request
• Made in UK
• Materials: Aluminium alloy
  

Tip: We recommend you use a single opener on sash width up to 500mm, two openers plus link bar on sash widths 600 to 900mm and three openers plus link bar for sash widths 900 to 1500mm.