- 124 City Road, London, EC1V 2NX
- 0800 540 4390
- Mon to Sat: 09:00 am to 05:00 pm
Cortizo Bi-Fold Plus Doors
Slim, strong and energy-efficient folding sliding doors. Maximised glass, enhanced thermal & acoustic performance.
- 80mm deep frame with slim central section (110mm) for maximum glazed area.
- Designed to separate environments or unify spaces with seamless flexibility.
- Thermal break of 45mm + glazing up to 48mm = superior efficiency.
- Excellent acoustic insulation and resistance to repeated use.
- Available up to 14 sashes inward or outward opening, including 90° corner sash without mullion.
Upgrade Your Entryway with Windoors.
Want a door that’s as elegant as it is efficient? Let Windoors help you bring your vision to life.
- Slim sightlines: Jamb 89mm, Meeting stile 110mm.
- Strong build: Profile thickness 1.8mm.
- Glazing: Min 25mm – Max 48mm (double or triple glazing).
- Durability: Tested for 50,000 opening cycles (main door) and 25,000 cycles (sashes).
- Security tested: PAS 24 equivalent compliance.
- Accessibility: Low threshold options available.
- Double bearing system with gimbal stabiliser for smoother operation.
- Available in RAL custom finishes with durable powder coating.
- Dual-colour combinations available (different inside & outside finish).
- Pre-assembled gaskets for faster installation.
- Glazing beads for strength and finish.
- Security-tested hardware with concealed hinges and locking.
- Double glazing Ug = 1.0
- Triple glazing Ug = 0.5
- Uw = as low as 0.8 W/m²K (triple).
- PAS 24 security tested.
- 50,000 cycle durability test certified.