The Aluk Optio BSF70 Bi-Fold Door:
Welcoming, Stunning, Practical.
An intelligent combination of form and function, our highly versatile and market-leading Bi-fold sliding door system gives you maximum control over the style and operation of the doors.
Multiple panels can be added to accommodate the design specifications of your building, with the option to open in or out as required. The system also boasts a unique flush line pop-out handle that allows for square flush stacking panels when doors are fully open.
Certified under the Secured By Design scheme.
Tested to PAS 24.
Unique, pop-out handle that allows for maximum door opening and panels to stack square.
Four stainless style rollers to ensure smooth and consistent operation.
Chamfered and square bead options.
Glazing 28mm – 40mm.
Available in a range of opening configurations.
Available with heavy duty rollers; BSF70 HD.
Available in a range of single or dual colour and anodised finishes.
U value W/m²K (Double glazing). 1.6 W/m²K
U value W/m²K (Triple glazing). 1.4 W/m²K
Wind load (Pa). Class AE2400 (2400 Pa).
Air permeability. Class 4 (600 Pa)
Water resistance. Class 9a (600 Pa)
Security PAS 24
Opening: Open in and open out
Sightline (Head). 110mm
Sightline (Cill). 130mm
Sightline (Jamb). 110mm
Sightline (Meeting Stile). 140mm
Max glass thickness (mm). 44
Max sash width (mm). 1000
Max sash height (mm). 3000
Maximum sash load (kg). 100
Frame dimension. 70 mm
Dual color option.
Glazing options. Internal bead
Glazing thickness. 24mm - 40mm
The Aluk Optio BSF70 Folding Sliding Door System.
The Aluk Optio BSF70 Folding Sliding Door System Profile Detail.
The Aluk Optio BSF70 Folding Sliding Door System Cill Detail.
The Aluk Optio BSF70 Folding Sliding Door System Interlock Detail.