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How frameless bifold doors open and close?

Frameless glass bifolding doors look and work in a different way to a regular aluminium bifolding door. Customers often ask us how frameless bifold doors open, and whether they are different to conventional bifold doors.

To help you understand the key visual and operational differences between a frameless bifolding door and a standard aluminium folding door, we explain how each of these products looks and operates.

Frameless bifolding doors offer virtually no visible hardware.

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One of the first things you will notice about a frameless bifold is the lack of visible hardware. Compare a regular door to a frameless door, and you will notice that apart from the main door handles, a frameless bifold does not show any of the key components that enable these sophisticated doors to slide and fold.

Componentry differs on a conventional aluminium bifold door as well. Often you will often see the running gear, wheels and other components visible at the bottom of the doors. Look at the top, and you will also see the guides in the top frame. Finally, you will see two or three visible hinges per leaf connecting each door panel. You will also see the folding leaves fitted with a pull handle and a locking lever as well.

Opening and closing frameless bifolding doors.

Our single and double glazed frameless bifolding doors operate with a turn and fold or swing and fold operation. From the fully closed position the procedure to fully open and fold the doors is simple.

  1. Unlock and swing open the master door using the pull handle fitted.
  2. The master door will hinge open in the 90-degree position.
  3. Each of the remaining doors then slides along to their stop position. At this point, it can be swung open to the same position as the master door.
  4. Repeat this process for each of the remaining door panels until all are stacked open.
  5. Reverse the procedure to close the doors.

Opening and closing aluminium bifolding doors.

With a full framed aluminium bifold, there are more unlocking operations involved depending on how many leaves the doors have and how the master leaves, if provided, are configured.

To unlock hinged folding doors, the main access or locking leaf needs to be opened and then swung open. Following this, all the remaining intermediate leaves must also be unlocked with the handles provided.

Depending upon whether the doors open inwards or outwards, the doors are opened ajar. You then go to the end panel and slide the doors to their folding position, or you can use the internal handles to open each section at a time.

If the doors open in both directions, the same procedure applies on each side.

Frameless bi-folding doors offer more flexibility than other bifolds.

There are several advantages in how a frameless bifolding door opens with each leaf being independent.

  1. Partial ventilation is possible with having each leaf provide air gaps.
  2. No doors are left ajar if you do not want to open the doors fully.
  3. Frameless doors let you have more control over how many leaves you slide and fold.
  4. When fully stacked open, frameless bifolding doors take up 50% less space than regular bifolding doors.

If you would like a demonstration of how our doors slide and fold, contact us today and visit our showroom or our demonstration doors around the UK.

We also offer a full range of aluminium windows, bifolding and sliding doors,
and front doors as FGC Bespoke Aluminium.

Visit the FGC Showroom

You can now visit our showroom in Strood, Kent.

The full range of Frameless products are on display in wide variety of configurations.

We request you contact us to make an appointment before visiting to avoid overcrowding.

Find out more about the FGC Kent showroom.

Reviews on Facebook and Google

FGCExcellentFGC4.6 Based on 43 reviews fromSee all reviews review us onM David B.M David B. ★★★★★ Our small job was handled extremely professionally from start to finish and we are very pleased with the results.Wayne T.Wayne T. ★★★★★ Very happy with the service I have received, everything went smoothly no issues, I was kept up to date throughout the process and the fitting team were very professional, polite and friendly I would recommend fgc to anyone thank youKayleigh C.Kayleigh C. ★★★★★ Amazing service, great aftercare, incredible product. It was hard to find something that would fit in our house and would have been pleasing to the eye aswell as stylish and modern and unique.From sales to install was smooth and stress free amazing bunch of people to work with I had a great experienceInci P.Inci P. ★★★★★ Great product with diligent, professional staff from start to finish. Highly recommended.Paul B.Paul B. ★★★★★ Firstly I have to say a huge thank you to Paul the owner of FGC for being willing to take on the job of sorting out the extremely shoddy and poor installation of the Origin doors and windows fitted on my new build home, when it was built. And replacing the damaged gaskets. I had your guys with me for two days this week. What a breath of fresh air comparted to the people of originally installed my doors and windows. Extremely professional and lovely chaps. They worked tirelessly to sort out the many issues we had. Would absolutely recommend 100% THANK YOU !Response from the ownerGood Morning Paul, Thank you for taking the time to share your positive experience with us. We are absolutely delighted to receive it and are pleased we were able to resolve the issues for you. It’s been a pleasure working with you. If you have any further need in the future, please do not hesitate to contact us. Lisa S.Lisa S. ★★★★★ Very helpful and good communication, great product. Thank you.Dave S.Dave S. ★★★★★ Very happy with doors. Look great. The installation was quick and straightforward.Will recommendRH K.RH K. ★★★★★ FGC were brilliant. Great advice on the best windows to get. Extremely good installation. Always ready to solve any installation or manufacturing issues. We are extremely happy with the end result!Joy W.Joy W. ★★★★★ Frameless windows were brilliant, Liam Alfie and James were great, polite, courteous, and left the site clean and tidy. The windows look amazing, Great service from start to finish. Many ThanksRayRay ★★★★★ We love these doors and look forward to having them open a bit more once the patio has ben completed. They really have a "wow" factor and this becomes a double "wow" when people are shown how the corner can be completely opened up. It was about a year from my first enquiry to the doors being installed as there was a considerable amount of building work required to prepare the room. throughout this period I remained in touch with FGC and the service was exceptional. The installation team was on site for a day, starting early and working through to completion before driving back to Kent!! We have been really pleased with the standard of workmanship and even had compliments from other tradesmen working on the room (most of whom had never seen doors like this). These are expensive doors but the price difference from a normal set of bi-folds was well worth it for the uninterrupted view you get. The doors were installed in February but I have held off doing the review until the room was more finished so I could post a more representative picture. Once the patio is done the look will be even better than we originally envisaged. I have attached a few pictures of the room (the white table is only a temporary measure while we wait for the new coffee table).Sharon B.Sharon B. ★★★★★ From first contact to installation, my interactions with FGC have been easy, fast and professional. The end product is superb, we are so happy with our new doors - wish we had done this years ago. Well done FGC!!Jayne N.Jayne N. ★★★★★ This is the second time we have installed FGC and we are very happy with our second installation- very sleek and stylish and all staff very helpful, thanksD JD J ★★★★★ Frameless Glass Curtains have few competitors so they could take a lax approach to their work. However, that is not the case. We have had a porch installed in a space that was not square or aligned. The service from survey to finish has been above standard. Barry’s attention to detail and determination that the work would not be complete until his high standards were met was much appreciated. The communication from the admin side was clear and helpful. So all in all we will be using Frameless Glass again and have no hesitation in recommending them.Brian S.Brian S. ★★★★★ Brilliant product, what a difference, no frames to block our view of the Brecon Beacons. The service has been the best I think I have ever received and the fitting team were faultless - they travelled 5 hours to get to us in Wales, arriving 30 minutes early, working flat out without a break for 9 hours before driving 5 hours back, all without one complaint!!Catherine U.Catherine U. ★★★★★ Ordered Crittal-style French doors in aluminium. The doors look fantastic and are so much better than the ancient sliding doors I had before. The company were very friendly and easy to deal with. They were understanding of my delays due to a flood. The installers were professional and polite and poor things had to work on the hottest day of the year. Would definitely recommend FGC.Laura G.Laura G. ★★★★★ Really great service from this family run company. We love the doors and the install was top notch. Thanks!Info Oad S.Info Oad S. ★★★★★ Great service and amazing finish! Would highly recommend!paul R.paul R. ★★★★★ Highly competent office and site staff, great product and at a fair price. Couldn't be happier with the entire experience and end result.vanessa C.vanessa C. ★★★★★ From the beginning to the end, everyone at FGC have been amazing. I knew straight away that the glazing FGC would provide and install would be spectacular and how right that was! The FGC glazing allows our Edwardian stained glass door to still be a main feature and in fact it shows it off perfectly. We are so happy with the end result and can’t praise FGC highly enough, somehow 5 stars doesn’t seem to be high enough.ZorèZorè ★★★★★ Their windows are second to none. No other company in Germany, UK or anywhere else can produce such a fabulous product.Any issues that has come up, they always come & fix it. The staff are so nice and polite. For a small company they do really a great job over all. The main things are the frameless bifolds that you hardly have any frame in the line of vision and there is a 5 years guarantee. Mr & Mrs JahediFiona G.Fiona G. ★★★★★ Delighted with our new frameless glass doors. Had lots of lovely comments, even all the trades who have been working on our house have said they've not seen anything like them. Great having something a little unusual. The quality of the doors is of a very high standard. The service from FGC has been very good too, from ordering through to installation. All went very smoothly with no problems. Paid a bit more than regular bifolds, but worth every penny. Best decision, no regrets at all.Andrew H.Andrew H. ★★★★★ Great service and very welcoming for my father and I. Adrian in particular was very efficient, gave great pertinent advice and guidance on my future purchase!Des P.Des P. ★★★★★ Excellent in all aspects from initial viewing in showroom to actual installation.TonyTony ★★★★★ Excellent service and product from FGC.I have a glass-box conservatory, built with structural glass about 20 years ago. The 2 sliding doors needed replacing, along with 2 side panels, and I contacted dozens of companies selling conservatory doors and none of them were prepared to install their doors because of the perceived risks of working with structural glass.Then I found FGC who, with no fuss at all, carried out a survey, provided a very reasonable quote for the doors/panels and then installed the doors/panels on the agreed date.Communication with the FGC office was always quick and easy. The surveyor and installation team were efficient and courteous. The product works beautifully.We can now use our conservatory again. Thanks FGC.Arun S.Arun S. ★★★★★ Great company with excellent, friendly and responsive service, the guys were helpful and efficient with the installation and the slide and turn doors are a fantastic product.Matt G.Matt G. ★★★★★ Fantastic service from start to finish, from the surveying, contact with office to the workmen. I have experience through work of a number of companies providing similar products and these guys have been by far the best to deal withDavid W H.David W H. ★★★★★ FGC installed a two-panel frameless glass door at our property yesterday. Wow!! the installation is exactly as discussed, and was carried out by two of FGC's team members who were so professional and courteous. They were excellent, and we have no hesitation in recommending FGC and their team to anyone considering such an installation.We are delighted with the installation, and very pleased we chose FGC.Well done FGC!!Border S.Border S. ★★★★★ The quality of the windows / doors are second to none.The customer service was first class from placing the order to installation we were kept informed at every step.The installation team led by Richard left our house and patio cleaner than when they arrivedI would recommend FGC 100%Tony- BurnleyStephen H.Stephen H. ★★★★★ From start to finish everything was excellent.Fab u lasThank youStephen O.Stephen O. ★★★★★ BRILLIANT SERVICE FROM START TO FINISHHighly recommended.Nathan P.Nathan P. ★★★★★ We purchased a beautiful Origin sliding door and side window from FGC. FGC installed the sliding door and window on time, however the sliding door did not fit correctly. Issues can happen. FGC made the process of re-surveying and re-installation very simple. FGC is a very pleasant and professional company to deal with. We are very happy with their service and would strongly recommend them.Darius C.Darius C. ★★★★★ I love my doors! It’s transformed my place. The people are great, no nonsense, organised and efficient. I’d recommend them to anyoneAdrian W.Adrian W. ★★★★★ Excellent planning and product advice. All the staff were polite courteous and friendly.On the day of the installation, the team arrived bang on time -we live in Wales so a long drive from Kent! They had the job done by lunchtime (fitting a sliding patio door) and I have to say that on first impression of the unit, it looks and feels like solid quality.Ian J.Ian J. ★★★★★ We had a 5m stretch of these wonderful doors installed several years ago and have been very happy with the uninterrupted view of the garden that they allow from the living room. They are admired by every tradesman who sees them. A minor problem we experienced with water ingress last year was promptly and effectively resolved, and the doors were serviced for free at the same time.Response from the ownerHello Ian, thank you very much for leaving us a review and glad you're happy with your doors and our service. Elly BElly B ★★★★★ Great staff and great products! Have visited the showroom to view doors, really loved all of them! Have referred to a friend - Can't recommend enoughAdam F.Adam F. ★★★★★ Really great doors. Really are something different. Expensive, but you really pay for what you get here.js_loader

What our customers say

The Glass Curtains are all that you promised….and are much admired. We are delighted with the transformation to the dining area now that the decoration is complete. Will forward cheque by post tomorrow( Friday)  and some pictures by E . Don’t hesitate to use us as a satisfied

frameless glass doors invited me to their workshop to view the glass curtains for myself, and to show me how they were made. Installation was clean and tidy. When they say they are going to turn up, they do, and are always on time.The product looks great. It really does make the refurb seem complete, and finishes off the room nicely, and I have already recommeded FGD to my friends.

The bottom line, I am happy with all your support to get me the financial support for this project.  Without your help the project would not have been

Bashir
Bashire in Cambridge
As to how we were from initial contact (were we polite)? Yes a bit abrupt especially the on site visit. Arranging installation (were we on time and on schedule) Excellent. Were we clean and tidy? Good but the windows were left uncleaned so difficult to check for scratches. VG at organising a company to deal with the scratches + v good service from scratch man. And finally are you pleased with our doors (would you

We have had excellent service from our doors, but recently experienced a problem with the handle. FCG sent a team out promptly, they arrived early and fixed the problem to our entire satisfaction quickly, efficiently and politely. A really nice couple of guys and it is a great comfort that when things go wrong, as is almost inevitable, they are fixed without any fuss or bother. Many

Carole Low
Carole
Q. As to how we were from initial contact (were we polite)? A. Yes, very polite and helpful when I called / emailed.   Q. Arranging installation (were we on time and on schedule) A.Yes, the surveyor was informative and on time. Q. Were we clean and tidy? A. I was not onsite when it was installed, but the there was no mess left after the job.   A. And finally are you pleased with

Unit has been replaced thank you, once again I find FGC have responded to a problem with a no quibble replacement, it is good to know that there is still companies left who honour their guarantee in the proper manner and send installation teams that carry out their work in a professional manner with competence and courtesy, I would be quite willing to give any prospective customers a reference if that would be of interest

Mr D
When we purchased our house, it had two sets of timber bi fold doors, each spanning an opening of approx. 5m. These caused us a lot of problems with warping through the seasons, and the ration of timber to glass limited the light into the rooms. We therefore replaced them with the frameless curtain system and could not have been happier. We could only be bothered with the faff of struggling to open the timber

adam tamburini
Adam

There is no comparison between the usual bifold door products and the products provided by FGC. We visited FGC to see the manufacturing process and view their unique system. We were hooked, after a simple ordering process and site visit our 2 sets of replacement doors were fitted quickly and in a very professional manner. Now we have uninterrupted views of the Channel from our fabulous glass curtains. The best home improvement product available

Philip Hills
Phil - Kent

I am very happy with the installed doors. The fitters did an excellent job. They arrived on time, were polite and helpful, and went through all of the relevant information with myself and my wife. They also cleaned the windows at the end of the

David Thurston
David

We have been amazing our friends and family with our FGC since we had it installed a few weeks ago. Every ‘trade’ that is working on site has been fascinated and suitably impressed with the product and engineering. We are over the moon as it has really been the star of our home extension. Thanks too to the installers who were

Paul Robinson
Paul Robinson

I found Frameless glass Curtains very easy and trustworthy to deal with. All personnel I had contact with were polite and professional. I am very pleased with the product and installation

Mr M Donovan
Mr M Donovan

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Published on November 30, 2016

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