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Folding Doors | Concertina Style | Modern Indoor-Outdoor Living

Aluminium Bi-folding Doors

Half Round Guttering Collection


Bristol-Made Aluminium Bifold Doors - Sheerline Prestige Collection

British Engineering Excellence in Premium Folding Door Systems
Discover the perfect fusion of contemporary design and British manufacturing quality with our Sheerline Prestige aluminium bifold doors, expertly crafted in our Bristol facility. These exceptional folding door systems transform living spaces by creating seamless connections between indoor and outdoor environments, all while delivering outstanding thermal performance and unmatched value.
Precision Bristol Manufacturing:
Every Sheerline Prestige bifold door is manufactured to your exact specifications in our advanced Bristol production facility. Our skilled artisans combine traditional British attention to detail with modern precision engineering, ensuring each door system fits perfectly and operates flawlessly for decades. Made-to-measure manufacturing means no compromise on design vision or architectural integration.
Premium Aluminium Construction:
Built from high-grade aluminium profiles with integrated thermal breaks, these doors offer exceptional strength-to-weight ratios while resisting corrosion and weathering. The robust framework supports large glass panels while maintaining the slimline aesthetics that define contemporary architecture. Stainless steel hardware and precision-engineered hinges ensure smooth, effortless operation regardless of panel configuration.
Unlimited Design Possibilities:
Express your style through our comprehensive colour and finish options. Choose from any RAL colour specification, contemporary matte finishes, or sophisticated foiled effects, including authentic wood grain patterns. Our Bristol spray shop can match virtually any colour requirement, while advanced foiling techniques deliver the warmth of timber with the durability of aluminium.
Outstanding Thermal Performance:
The Sheerline Prestige system achieves an impressive 1.0 U-value as standard, making these among the most energy-efficient bifold doors available. This exceptional thermal performance is achieved through advanced profile design, precision weather sealing, and high-performance glazing systems. Triple-glazed options further enhance thermal efficiency while providing superior acoustic insulation.
Flexible Configuration Options:
Available in 2, 3, 4, 5, and 6-panel configurations with various folding arrangements to suit any opening size or operational preference. Panels can fold internally, externally, or in combination arrangements, with optional traffic doors for convenient daily access. Low-profile thresholds and flush floor tracks create seamless transitions between spaces.
Exceptional Value Engineering:
Despite premium specifications and bespoke manufacturing, our Bristol-based production delivers highly competitive pricing without compromising quality. Direct manufacturing eliminates middleman costs, while efficient production processes and local sourcing keep prices affordable for discerning homeowners and commercial clients.
Triple-Glazed Excellence:
Our triple-glazed option features low-emissivity coatings and argon gas fills, maximising thermal efficiency and minimising condensation. Advanced glazing systems accommodate units up to 40mm thick while maintaining the slimline profile aesthetics. The result is exceptional insulation performance that reduces heating costs while enhancing interior comfort.
Professional Installation and Support:
Factory-trained installation teams ensure precise fitting and optimal performance, backed by comprehensive warranties covering all components and workmanship. Local Bristol-based service support means rapid response times and personalised aftercare throughout the product lifecycle.
Sustainable Manufacturing:
Our Bristol facility operates environmentally responsible manufacturing processes, utilising renewable energy sources and implementing comprehensive recycling programs. Aluminium's infinite recyclability ensures these doors contribute to sustainable building practices while delivering exceptional longevity.
Transform your home with bifold doors that represent the pinnacle of British manufacturing excellence – designed in Bristol, crafted for life, and priced to deliver exceptional value without compromise.


Brand: Sheerline Model: sheerline3
Aluminium Bi-Fold DoorAluminium Manufactured Made-to-measure. An aluminium sliding door system can be supplied as anthracite inside and out, white inside and out, or a combination of the two powder-coated colours. Bi-Fold Door 3 opening sashes inside the A-rated aluminium profile. Profile: 3 opening sashes inside the A-rated aluminium profile.Dimensions: Three panes Bi-fold. Min Height 2020mm Max Height 2400mm, Min Width 1800mm Max width 3000mmGlass: Standard 28mm Toughened glass 1.4 u..
£2590.70
Ex Tax:£2158.92
Brand: Master Plastics Model: heritage3
Heritage Aluminium Bi-Fold Doors – Made to MeasureBring timeless style and modern engineering together with our Traditional Heritage Aluminium Bi-Fold Doors, precision-built to deliver exceptional thermal efficiency, classic detailing, and smooth functionality. Designed to complement both period homes and refined modern properties, these bespoke doors provide the perfect blend of elegance and performance.Prices on other sizes are available. Please give us a call.Elegant Heritage Design, Modern A..
£2950.70
Ex Tax:£2458.92
Brand: Sheerline Model: sheerline4
Customize Your 4-Pane Aluminium Bi-Fold Door! Aluminium Anthracite Bi-Fold Door | Customize A 4-Pane VersionDescription: Aluminium Triple Glazed Bi-Fold Doors - Anthracite 7016 Made-to-measure Four pane Warmcore Bi-fold / French door.Profile: 4 opening sashes inside the A-rated aluminium profile.Dimensions: Four panes Bi-fold. Min Height 2020mm Max Height 2400mm, Min Width 2350mm Max width 4000mmGlass: Standard 28mm Toughened glass 1.4 u value or upgrade to 44mm Triple glaze..
£3671.57
Ex Tax:£3059.64
Brand: Sheerline Model: sheerline5
Customize Your 5-PaneCustomize A 5-Pane VersionDimensions: Five panes Bi-fold. Min Height 2020mm Max Height 2400mm, Min Width 2925mm Max width 5000mmGlass: Standard 28mm Toughened glass 1.4 u value or upgrade to 44mm Triple glaze with an incredible u-value of 1.0 - 75% better than a standard Bi-fold.Opening Direction: Looking at the door outside the house, do you want it hinged on the left or the right? The two-pane can also be supplied as a French door.Internal or external f..
£4589.14
Ex Tax:£3824.28
Brand: Sheerline Model: sheerline6
Customize Your 6-Pane Aluminium Door!Customize A 6-Pane Version.Made-to-measure Six pane aluminium door / French door.Profile:6 opening sashes inside the A-rated aluminium profile.Dimensions: Six panes. Min Height 2020mm Max Height 2400mm, Min Width 3475mm Max width 6000mmGlass: Standard 28mm Toughened glass 1.4 u value or upgrade to 44mm Triple glaze with an incredible u-value of 1.0 - 75% better than a standard Bi-fold.Opening Direction: Looking at the door outside the ..
£5508.00
Ex Tax:£4590.00
Brand: Sheerline Model: sheerline7
Customize Your 7-Pane Aluminium Bi-Fold Door!Aluminium Bi-Fold Door | Customize A 7-Pane Version. Made-to-measure Seven pane Bi-fold / French door.Profile: 7 opening sashes inside the A-rated aluminium profile.Dimensions: Seven panes Bi-fold. Min Height 2020mm Max Height 2400mm, Min Width 4050mm Max width 6000mmGlass: Standard 28mm Toughened glass 1.4 u value or upgrade to 44mm Triple glaze with an incredible u-value of 1.0 - 75% better than a standard Bi-fold.Opening Di..
£6425.57
Ex Tax:£5354.64
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