Aluminium Bi-Folding Doors
Fold the whole wall away and let the outside in
Fold the whole wall away. We supply and install the Smart Systems Visofold 1000 — the UK's most popular aluminium bi-folding door — in configurations from 2 to 7 panels, folding in or out, with an optional traffic door for everyday use.
The latest Visofold 1000 carries a widened 30mm polyamide thermal break for an A energy rating with standard double glazing, PAS 24:2022 security hardware, and smooth-glide rollers that make even a six-panel wall of glass feel effortless.
Why choose Aluminium Bi-Folding Doors
- The UK's most popular aluminium bi-fold system
- 2–7 panels, folding in or out
- Traffic door option — use it like a normal door every day
- A energy rating with standard double glazing
- PAS 24:2022 approved security
- Low threshold option for a seamless step-out
- 200+ RAL colours, dual colour and Sensations finishes
Engineered for performance
- 30mm widened polyamide thermal break — U-value 1.4 W/m²K
- Max panel 1,200mm wide × 2,500mm high
- Glazing from 24mm up to 38mm, double or triple
- Slimline shoot-bolt locking gearbox and magnetic latches
- PAS 24-approved rollers, EPDM gaskets and weather brushes
- Low or rebated threshold; integrated cill option
- Heritage-style sash variant available
Options
Choose the finishes and options to suit your home.
Available finishes
Choose your style
- 3-panel (3+0 or 2+1 with traffic door)
- 4-panel
- 5-panel
- 6 & 7-panel
- Fold-in or fold-out
- Split stacks (e.g. 3+2)
Glass options
- A-rated 28mm double glazing as standard
- Triple glazing up to 38mm
- Solar-control and acoustic options
- Integral blinds available
- Toughened safety glass throughout
Furniture & hardware
- Slimline locking shoot-bolt gearbox
- Heavy-duty shoot-bolt handles
- Multi-point lock on traffic doors
- PAS 24 approved rollers
- Colour-matched handles and magnetic hold-backs
The 2025-upgraded Visofold 1000 achieves an A energy rating and 1.4 W/m²K with a standard double-glazed unit, thanks to its widened 30mm thermal break — Document L compliant and Kitemarked.
Engineered to protect
Approved to PAS 24:2022 with slimline shoot-bolt locking, heavy-duty handles, multi-point locking on traffic doors and PAS 24-approved rollers throughout.
Tailored to you
Choose your panel count, fold direction, traffic door position, threshold, glass and colour — over 200 RAL shades, textured Sensations finishes and dual-colour inside/out. We'll help you plan the configuration around how you actually use the room.
Who this suits
Kitchen-diners, extensions and garden rooms across Grimsby and North East Lincolnshire — as installed for customers like the Huftons in Grimsby, who called ours "an excellent price for a first class job".
How we do it
Bi-folds demand precise installation — level, square and properly supported. Our own tradesmen fit, adjust and demonstrate every set, and show you the security and maintenance points before we leave.
Frequently asked
What is a traffic door and do I need one? +
Do you offer a supply-only service? +
Are your quotes really free? +
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Aluminium Bi-Folding Doors — up close
More Aluminium
Need aluminium bi-folding doors? Let's talk.
Made in Grimsby, fitted across North East Lincolnshire — get a fast, free, no-obligation quote.