Aluminium Bifold Doors
Slimline, UK-manufactured aluminium bifold doors engineered for luxury London residences and premium commercial specifications. Panoramic opening, whisper-smooth operation and thermal performance to near-Passive House levels.
Why choose our aluminium bifold system?
We don't merely supply doors — we deliver architectural statements. Every set is engineered from premium-grade aluminium, powder-coated in-house and installed to exacting standards for London's most discerning properties.
Speak to an Expert- British-manufactured aluminium frames finished to architectural standards
- 128mm frame and 110mm panel sightlines maximise the glazed area
- Over 25 configurations — inward or outward opening, corner sash and more
- Adjustable jambs and adjustable toe & heel for on-site precision
- Double bearing system with gimbal stabiliser for effortless daily use
- Pre-gasketed bead for a faster, weather-tight installation
- 45mm thermal break with 44mm glazing capacity, Uw from 1.2 W/m²K
- Multi-point locking and PAS 24 hardware on the enhanced security option
- Flush threshold option for seamless, step-free access
Features & Performance
Thermal Performance
A 45mm thermal break in both frame and sash delivers Uw from 1.2 W/m²K, with Uw 0.8 W/m²K achievable using enhanced double glazing (Ug=1, psi=0.036). 44mm glazing capacity supports high-performance sealed units.
- 45mm thermal break
- Uw from 1.2 W/m²K (0.8 achievable)
- 44mm glazing capacity
Slim Sightlines, More Glass
A 128mm frame paired with a slim 110mm panel sightline maximises the glazed area — separating rooms and gardens while flooding interiors with natural light.
- 128mm frame sightline
- 110mm panel sightline
- Pre-gasketed bead for reliable sealing
Enhanced Security
Specify our enhanced security option for multi-point locking and PAS 24-compliant hardware — meeting the performance required for both residential and commercial specifications.
- Multi-point locking
- PAS 24 hardware (enhanced option)
- Premium-grade aluminium construction
Precision Engineering
A double bearing system with gimbal stabiliser delivers smooth operation over 50,000 cycles on the main traffic door. Adjustable jambs and glazing let installers achieve a perfect fit on-site.
- Double bearing & gimbal stabiliser
- 50,000-cycle main traffic door
- Adjustable jambs, toe and heel
Maximum Sash Dimensions
All sizes are guidance only. Maximum weight and dimensions vary by typology — please contact our technical team for project-specific advice.
| Max Sash Width | 1,200mm |
| Max Sash Height | 3,000mm |
| Max Sash Weight | 120kg |
| Glazing Options | 28mm, 30mm & 44mm |
| Frame Sightline | 128mm |
| Panel Sightline | 110mm |
| Thermal Break | 45mm |
| Repeated Openings | 50,000 cycles |
Reference test: 3-sash 3-2-1 design, 2.7m × 2.5m. Contact our technical team for project-specific advice.
A palette to match your architecture
Every colour is applied consistently across frame, sash and hardware for a fully coordinated installation.
RAL Powder Coat
Standard, mottled and rough-texture finishes across 150+ RAL colours.
Dual Colour
Different colours inside and out — match interior and exterior independently.
Anodised
Premium metallic finish for contemporary and commercial architectural projects.
Wood Effect
Realistic timber-look powder coating for warmth in mixed-material schemes.
Anti-Bacterial
Specialist coating for healthcare, hospitality and public-sector applications.
Glazing Options
Three glazing specifications, from standard installations through to near-Passive House performance — all within a 44mm maximum capacity.
Standard double-glazed sealed unit. Suitable for most residential and commercial applications.
Enhanced double-glazed sealed unit for improved thermal and acoustic performance.
Maximum capacity unit. Supports Uw 0.8 W/m²K with double glazing specified to Ug=1 and psi=0.036 — recommended for high-specification and near-Passive House projects.
Common questions
Discuss your bifold project with us
Whether you're specifying a luxury residential development, a high-specification commercial build or a private London home, our team is ready to help.