Sheerline Aluminium Bifold Doors

Slimline aluminium bi-fold doors available for Surrey homeowners

At Sheerwater Glass, we’re pleased to offer our customers Sheerline’s range of slimline aluminium bi-fold doors. Available in either stepped or contemporary flat-faced styles, in up to 7 pane configurations.

Sheerline’s bi-folding doors boast exceptionally thin sightlines, making them the perfect choice for bringing the outdoors in. They’re one of the most flexible options available thanks to their concertina folding style.

  • Incredibly versatile design
  • Exceptional thermal performance
  • Enhanced security
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Benefits of our bi-fold doors

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Enhanced aesthetics

Sheerline’s prestige bi-folding doors are available in nine gorgeous powder-coated colours, as well as three additional anodised finishes. Dual colour options are also available, so your interior can be different to the exterior. Ultra-slim sightlines promote maximum glazing, allowing your home to be flooded with natural light.


Ultimate sustainability

Aluminium is one of the most sustainable and energy-efficient materials available on the planet. In fact, over 75% of the aluminium ever produced is still in use today, thanks to its incredible durability and efficient recycling process.

Sheerline manufacture all of their products using the most sustainable method possible, the press they use delivers energy savings of up to 55% compared to traditional presses.


Outstanding security

The prestige bi-fold doors are designed with security in mind. Every bi-fold door comes with an anti-snap, anti-bump and anti-pick protection lock as standard. You’ll even be able to upgrade to a high-security Ultion lock, for the ultimate protection from unwanted intruders.

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Elegantly balanced aluminium bi-folds

Our bi-fold doors are a beautiful addition to homes in Surrey. Providing enhanced views whilst creating a light and airy feel to any property. Sheerline’s stunning aluminium bi-fold doors offer incredibly slim sash-to-sash sightlines to allow for maximum natural sunlight. The perfect choice of backdoor for those looking to enjoy extended views whilst remaining comfortable all year round.

Manufactured using high-quality components

Sheerline have enginereed every element of their prestige aluminium bi-fold doors to ensure that they always operate perfectly.

  • One-piece stainless steel tracks keep the sashes rolling smoothly over and over again.
  • 120kg rated hinges keep the door sashes all aligned during operation.
  • Slim internal handles promote the clean and modern look of a bi-fold door.
  • Custom designed single rollers ensure that every style of door Sheerline produce have consistent 138mm sightlines, creating their trademark look.
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Technical information


Exceptional thermal performance

Enjoying your garden has never been more comfortable, with all our bi-fold doors installed with high-performance double glazing as standard. You’ll experience exceptionally low U-values of 1.4 W/m²K, bringing your energy bills down and the British weather out. Upgrade to triple glazing for even greater thermal efficiency, reaching U-values as low as 1.0 W/m²K. Triple glazing can block out excess outdoor noise.


Security options

Sheerline’s patented corner jointing method allows them to create an exceptionally strong frame, giving you and your family peace of mind. Featuring a bespoke Winkhaus Thunderbolt lock as standard, our bi-fold doors are perfect for keeping your home protected from potential intruders.


Range of customisation options

The prestige bi-fold doors are available in a choice of either stepped or contemporary, flat faced opening sashes, configured to perfectly suit your home and needs.  You’re able to customise the configuration of your doors to fit the design of your room. Choose whether you want your doors to split or whether you want them all to slide to one side. Include a singular traffic door within your configuration is the perfect way to incorporate an entrance at the back of your home.



By choosing an aluminum bi-fold door you’ll greatly reduce the carbon footprint of your home.  All Sheerline products are proudly designed and manufactured in the UK, using the most sustainable methods available. Their bi-fold aluminium doors are made using an energy efficient press, that uses 55% less energy than traditional equipment and techniques.

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Get A Quote

One of our team would be happy to have a chat with you about your requirements, answer any unanswered questions and measure up at a time that suits you to provide you a free, no obligation quote.

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Our customers say

“It is no wonder that Sheerwater Glass are one of the oldest and most trusted companies in the Woking area.”John Coleman
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Areas we cover

Sheerwater Glass provides window installation and repairs throughout Surrey and the surrounding areas of our Woking showroom. If you’re interested in our services, we encourage you to check if we serve customers in your area by simply typing in your postcode.

If you check and find that we don’t serve customers in your area, in some cases, we may be able to help. Please call us to find out more.

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