Trade supply bifolding doors
Five working day turnaround in popular colours
Slim Profile Bifolding Doors
The Alutech BF73 bifolding door system has an excellent reputation for product innovation, technical competence and quality. AL Bifolds manufacture these superb bifolding doors, offering features and specifications over and above other brands.
Supplied to the trade or homeowner, fully fabricated and ready to install. Cills, accessories or ancillary items are supplied prepared or cut to size, making buying ready-made bifolding doors easy. Full installation instructions are also provided.
Bifolds for new and existing openings
Capable of both wide and tall panels
Slimline contemporary bifolds
With a sightline at the mullions of just 122mm, Alutech BF73 bifolding doors deliver on style and are some of the slimmest on the market.
For large or small openings
From two up to seven, even 14 door panels, our readymade folding sliding doors suit virtually all property types and new extension aperture sizes.
Superior Thermal Insulation
Thermally insulated profiles, high-specification double or triple glass ensure Alutech BF73 bifolding doors meet current Building Regulations and lower heating bills.
Why choose an Alutech Bifold from AL Bifolds
Alutech BF73 bifold doors are perfect as a replacement for dated patio doors of any size and finish off a new build extension or new door aperture with style. Choose from a modern flatline appearance or a more classic look to the door sash profiles.
For homeowners, Alutech BF73 bifolding doors come ready for your builder or chosen installer to install with ease. The smart design also allows precise and easy adjustment thanks to the adjustable frame jamb profile.
Buildings and property professionals benefit from an all-purpose folding sliding door product, perfect for residential or commercial developments. For your domestic extensions or new build homes, Alutech bifolds provide a one-brand door solution for both standard or larger apertures.
Alulock is a six-point locking system giving enhanced security as well a pleasing curved backplate design also helping rainwater fall away from the lock better. And it comes as standard with a star-rated key cylinder. With a low threshold, our bifolds work inside the property and between rooms.
For your commercial projects, this tried and tested system delivers super-reliable bifolding doors perfect for car showrooms, cafés, bars or general retail. Quality aluminium folding sliding doors are available in five working days on standard colours and with free delivery up to 30 miles.
- Modern flat or curved sash profile
- Matching aluminium doors
- Available glazed or unglazed
- Large or small doors sizes
Start your quote now or contact us to find out more
Thank you for considering AL Bifolds for your project. Whether you’re a builder, homeowner or in the trade, it’s easy to get in touch. You can start your quote using our online door configurator or fill in our simple form and one of our expert team will get back to you.
UK Made
Supporting UK business
PAS 24
Keeping your home secure
RAL Colours
Full range of colours
Online Door Designer
Frequently Asked Questions about Buying Bifolding Doors
Are bifold doors a good idea?
Bifold doors are one of the best doors you can buy. They’re better than a sliding door because fully folded, they open up your entire door opening. Designed with a traffic or access door, they give you the same easy and quick access as a regular hinged door without having to fold the panels back. There’s no better door for an open aspect feel, open or closed.
How do I choose a bifold door?
A reliable and quality bifold doesn’t have to be expensive. Look for insulated aluminium frames and glass, a professionally applied range of colours, slim sightlines, a choice of standard or flush thresholds, high quality handles, locks and components, security, energy efficiency and good weather protection.
How secure are bifold doors?
Very secure. Modern aluminium bifold doors come with high quality locks, securing your doors across several points and also having a high-security key cylinder. The glass is fixed from inside, meaning it can’t be removed from outside and they come as standard with safety glass. Bifold doors are tested to the latest security standards with an overall design that makes them safe and secure when locked.
Are aluminium or PVCu bifold doors better?
Aluminium remains the best material for bifold doors. Aluminium is always significantly slimmer than PVCu giving you less bulky-looking doors, more glass and reduced visible aluminium. Aluminium is also substantially stronger and is regarded as more reliable than PVCu, especially for bifolds on sunny elevations. Aluminium makes your doors more reliable, especially on warmer days where PVCu expands more and can make our doors hard to move.
Where can you have bifold doors?
Because a bifold door starts at two panels, going up to ten or more, they’re perfect for existing or new openings of all sizes. A bifold with a low or flush threshold also makes an excellent room divider and is even better at separating a conservatory from the main room. You can have bifolds that open in or out and folding in one or both directions.
What are the problems with bifold doors?
Well-made and properly installed, there are no problems with bifold doors. The only consideration with a bifold is that fully folded the stacked panels do take up space on your patio or inside your room. When closed the more panels you have, the more vertical mullions you see, but choosing a slimline bifold reduces the sightlines, giving you a sleeker bifold, more glass, light and better views.
