Aluminium Bifold Doors

SL70e Aluminium Folding Glass Doors

From our in-house Visiline range, our SL70e aluminium folding glass doors make for a versatile update to any home, whether it is a new build or being renovated. With nationwide availability, these concertina doors have numerous opening configurations, allowing you to adapt them to your needs. Designed to be high performance, mounting posts located between the folding panels give our SL70e aluminium folding glass doors extra stability.

Alu5 Windows Gloucestershire

Thermal Insulation (in W/m2K):

Uw up to 1.4


Sound Reduction Glass:




PAS 24

More Info

Our SL70e aluminium folding glass doors have a variety of optional features which will allow you to match them to any property. These doors can also be designed to your specifications and are available in a range of sizes. Our SL70e aluminium folding glass doors are adaptable to your needs as the open pair of panels can be pivoted through 90°. Get in touch today to learn more about our SL70e aluminium folding glass doors or to discuss quotes for a project involving these doors.

Technical Specifications

Dimension (in mm) Opening Versions Additional Hardware
Installation depth 70
Bifold door
Sunken rail Yes
Insulating bar 88
Turn and tilt
Locks SL
Pane construction (min) 20
Parallel slide-and-tilt
Pane construction (max) 38

Features & Benefits

Advanced Security

Our SL70e aluminium folding glass doors contain a secure SL lock which provides excellent protection from intruders or burglars. Our concertina doors are also fully compliant with the PAS 24:16 security test.

Customisable Design

Our SL70e aluminium folding glass doors can be customised to meet your needs. We offer a segmentation option, additional functional glass to provide additional sun or sound protection and an optional sunken ground rail without limit stop, for barrier-free living.

Thermal Insulation

We have heat insulated glass as standard glazing in our SL70e aluminium folding glass doors. Our folding doors stop heat from escaping the property in the winter and have a U-value of just 1.4 W/m²K.

aluminium sliding doors supplier

SL70e Aluminium Folding Glass Door Prices

Use our online contact form to request a quote for our products or to find out more information. You can call us on 0800 612 6519 to speak to our Gloucestershire based team of experts. Book an appointment today to visit one of our showrooms, where you can speak to our product specialists and find out more about our manufacture, supply and install process.

Extra Features


These bifold doors from the Visiline product range can be customised to the tastes of the homeowner, or requirements of the larger new build projects. From a range of colours, handles and other security enhancing hardware, you’re sure to create a bifold door that ticks all the boxes.

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Window Hardware Installers Gloucestershire

Case Studies

Read our selection of case studies to see some of our past door installation projects. You can view images showing the before and after of homes other properties which we have transformed. See how our doors are the perfect match for almost any building and can fit your project.

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Minimal Frame Aluminium Windows Gloucestershire


Our showrooms are located all over England and Wales. Whether you have a strong idea of what you are looking for or you are just looking to find some inspiration, our showrooms are the perfect opportunity to learn more about the detail and precision which is involved in our manufacturing and installation processes and receive quotes for our products.

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sliding door showroom

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