Double Glazed Folding Doors

Folding doors are the perfect addition to your home to maximise natural light and create wide and uninterrupted access to outdoor spaces. Also known as bi-fold doors, folding doors provide a homeowner with the option to customise living areas and they provide flexibility for different weather conditions.

Folding doors are designed with large glass panels that slide to either side to maximise open spaces. If your current folding doors are single glazed they can be a significant source of energy inefficiency through heat transfer and lower insulative properties. Double glazing your existing folding doors makes them more energy efficient and can help you to save money on energy bills and lower the carbon footprint of your home.

Benefits of Double Glazing Folding Doors

By double glazing your existing folding doors you can improve in-home comfort and upgrade your home with a range of benefits including:

  • windows slides

    Boosting energy efficiency - upgrading the large glass panels of your folding doors with high performance double glazed glass lowers heat transfer with less temperature fluctuations

  • thermal performance

    Bill savings - a more stable home temperature means you can cut back on heating and air conditioning

  • window security

    Noise reduction - double glazing your folding doors can reduce noise in the home by up to 70%

  • wnidow

    Minimising condensation build-up - if your folding doors are double glazed they will maintain a more even temperature which reduces condensation which can lead to mould accumulating within the home

  • windows door

    Double glazed glass is tougher - double glazing your folding doors will make them harder to break

  • window noise

    Sustainability - double glazed folding doors help to lower your home’s carbon footprint as you can reduce your reliance on heating and cooling systems.

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Double glaze your folding doors for performance that lasts

Our RetroFit Double Glazing team are experienced and passionate about upgrading folding doors to improve their energy efficiency and to retain maximum performance and functionality. In some cases double glazing may enhance the slide functionality and movement of your folding doors.

RetroFit Double Glaze
4.9
Based on 107 reviews
Philip Miles
Philip Miles
00:37 03 Sep 26
Retrofit did a fantastic job in replacing single glazed panes for double glazed units on my house which is about 17 years old. Very professional, tidy and all round great job!
Niall Kennedy
Niall Kennedy
02:06 30 Aug 26
Really great service from Retrofit. Did a great job double-glazing our 1890s sash windows. Very professional, responsive and always on time. Also super neat and cleaned up everything each day. Very impressed with the job. Particular shout outs to Henry, Valentin and Al who have been fantastic!
John Hughes
John Hughes
06:56 26 Aug 26
Good job all round. Staff were pleasant, got the job done in good time, kept it tidy and cleaned up afterwards. Liam and his team did a great job on the install.
Jeff Newman
Jeff Newman
06:54 25 Aug 26
Outstanding Service and WorkmanshipWe recently had the glass in our home windows replaced and upgraded to double glazing through Retrofit Double Glazing, and we couldn’t be happier with the experience.The professional nature of the company was evident from our very first contact with Warren, through to Jarrod, who carried out the measuring and provided the quote, and our installers, Liam and Eddy. The entire process went seamlessly from start to finish.A special shout-out to Liam and Eddy, who took great care in the way they worked in and around our home. Their extremely high level of workmanship, attention to detail and professional manner gave us complete confidence in the work being carried out. They were respectful of our home and left everything neat and tidy.We also appreciated the follow-up communication from the company, keeping us informed about when the work would be carried out. This gave us peace of mind and allowed us to plan ahead.We would highly recommend Retrofit Double Glazing to anyone considering upgrading their existing windows. From the initial contact through to completion, the service, communication and workmanship were exceptional.A fantastic experience from start to finish!
Jason Mathias
Jason Mathias
04:55 25 Aug 26
The RetroFit Double Glaze install team were fantastic! They were on time, very friendly and respectful and did a brilliant job. Highly recommended.
Inna Smith
Inna Smith
05:18 30 Jul 26
Henry, Shane and Shae did a magnificent job. Very professional and efficient. Thanks for your great work. A huge improvement on our old windows.
Anne
Anne
03:14 30 Jul 26
Brilliant job from start to finish. Easy quoting process and staff helpful. On the day the team arrived promptly, and introduced themselves. Valentin and Jasmin were very professional, polite, and eager to make the installation experience positive. They are a great team! Work completed in a timely manner, windows look wonderful, and they cleaned up before they left. Communication through the day as the job progressed was wonderful. Thanks so much.
Henry Whitmore
Henry Whitmore
00:49 23 Jul 26
Warren is the best bloke i’ve ever talked to, great guy. The glass is good too
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Our RetroFit Double Glazing Process

Our double glazing install team is friendly and professional and they love helpaing Melbourne homeowners to improve their homes. Our double glazing process is simple and stress-free from the initial enquiry through to installation:

1

Measure & Quote

We visit your home to assess your existing folding doors and prepare a no obligation quote.

2

Double Glazed Glass is Delivered

Custom double glazed glass is custom cut to fit the precise measurements of your folding doors

3

Old Glass Removed & Frames Routed

We carefully remove existing glass from your folding doors and router out existing frames.

4

Installation

We upgrade your folding doors with high performance double glazed glass. Our team will remove any waste material and recycle as much of it as we can.

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Price Match Guaranteed

Find a better price on the same service and we'll match it!

Looking to Double Glaze Your Folding Doors Yourself?

If you are a DIY enthusiast and want to double glaze your folding doors yourself we have a DIY double glazing solution that delivers high performance double glazed glass to your front door.

Double Glazed Windows Installation

Meet our expert team of double glazed windows installers. 

diy double glazed retrofit window installation team

Why Use RetroFit Double Glaze?

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Over 12 Years Experience

We specialise in upgrading existing timber windows and enhancing energy efficiency without altering your home's character.

power effective

Enhanced Home Comfort

Enjoy reduced energy expenses, improved noise reduction, and increased security with our double glazed solutions.

sustainable

Commitment to Sustainability

By improving energy efficiency, our solutions help reduce your carbon footprint, contributing positively to the environment.

Frequently Asked Questions

They sure will. In some cases the double glazing process may enhance their functionality and movement.

Yes, we specialise in double glazing heritage homes and older existing windows and doors are ideal for double glazing.

The cost to double glaze a folding door ranges from $900 to $1,800 fully installed. Costs will vary depending on the size of the door.

Installation time for each project will vary depending on the size of your door and if multiple doors are being upgraded. On average most folding doors can be upgraded within 1 day once glass is available and the install has been booked in.

Yes! Upgrading your folding doors with double glazed glass improves heat transfer and enables you to cut back on the use of air conditioning and heating systems.

It sure can. Many homebuyers consider double glazing to be a desirable feature due to lower future energy bills, improved comfort and the growing focus on sustainable housing.

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