Internal
BIFOLDING DOORS
Internal BiFolding Doors profile signature B20 are truly one of a kind. With a beautiful industrial style and sleek yet durable steel frames, these unique doors provide absolute luxury and unrivalled functionality. Combining the robust multipanelled design of internal bifolding doors with unbeatably strong steel frames makes them durable enough to replace an entire wall, opening up your home to a world of daylight and spaciousness.
- Unique industrial style
- Smooth opening
- Strong enough to transform huge wall sections
- Slimmest steel sightlines in the industry
- Infinitely customisable
- Space-saving
Maximum Leaf Width: 900mm
Maximum Leaf Height: 2800mm
Maximum No. of Leaf’s: 9
STANDARD – RAL Colours
PREMIUM – Available in any RAL Colour
Minimal Steel | Maximum Glass
We have carefully designed our B20 Profiles to create some of the slimmest sightlines in the industry, giving you a sophisticated, clean look that maximises natural light.
Variation of Opening Systems
Choose the perfect opening style to suit your needs. Whether you’re looking for French Doors, Sliding Doors, internal BiFolding Doors, or Pivot Screens, our Internal slimmest B20 Profiles are available in any design you wish.
Fully Customisable
Bring your vision to life with our extensive range of customisable features. From limitless configuration options to a comprehensive selection of handle styles and glass types, our fully bespoke designs pave the way for endless creative potential.
Transform Huge Wall Sections
As well as being visually stunning, the powerful multi-panel design of our Steel internal BiFolding Doors is strong enough to open up even the most significant wall sections to an abundance of natural light.
Space-Saving
Take the unique space-saving benefits of interior bifolding doors to the next level with our ultra-slim B20 design.
Our signature B20 Internal BiFolding Doors redefine the concept of luxury and functionality. Crafted with a captivating industrial aesthetic and sturdy steel frames, these doors are unparalleled in their elegance and performance. The combination of multipanel design and robust steel frames transforms them into more than doors – they become architectural features that can replace entire walls, inviting daylight and spaciousness into your living spaces. Minimal Steel | Maximum Glass
Our commitment to design excellence is evident in the slim sightlines of our B20 Profiles, setting new standards for aesthetics and maximizing natural light infusion.
Elevate Your Home’s Elegance with Internal Bifolding Doors
Select from a range of opening systems that suit your preferences, including French Doors, internal Sliding Doors, interior BiFolding Doors, and Pivot doors. Our slim B20 Profiles can be tailored to any design you envision.
Embrace complete customization with an array of features. Endless configuration possibilities, handle styles, and glass types empower you to bring your creative vision to life through our bespoke designs.
Beyond their visual appeal, our Steel internal BiFolding Doors possess the strength to transform vast wall sections into conduits of natural light, making a striking visual impact.
Elevate space-saving solutions with our ultra-slim B20 design, taking the advantages of bifolding doors London to a whole new level. Experience luxury, innovation, and seamless integration with the B20 Internal BiFolding Doors.
Black Steel Doors: Premium Internal Bifolding Doors UK
Experience the ultimate blend of elegance and functionality with our signature B20 Internal BiFolding Doors, meticulously designed for the discerning homeowner. Our bifolding doors redefine luxury living, boasting a unique industrial aesthetic, robust steel frames, and a multipanel design that transforms entire walls, inviting an abundance of natural light into your space. The minimal steel and maximum glass of our B20 Profiles create some of the industry’s slimmest sightlines, enhancing the sophisticated, clean look that maximizes natural illumination.
Transform Your Living Space with Sleek and Stylish Internal Bifolding Doors
Choose from an array of opening systems to suit your needs, including French Doors, Sliding Doors, internal BiFolding Doors, and Pivot Screens. Our slim B20 Profiles are versatile and can be customized to any design you envision, making our internal bi-folding doors a perfect choice for your home.
Our fully customizable options provide endless creative potential. From various configuration possibilities to a comprehensive selection of handle styles and glass types, our bespoke designs allow you to bring your vision to life. Our internal bifold doors offer limitless possibilities, enabling you to craft a unique aesthetic that resonates with your style.
The powerful multi-panel design of our Steel internal BiFolding Doors is strong enough to transform even the most significant wall sections, creating a visually stunning impact. The internal bi-fold doors are not just doors; they are architectural features that redefine your living spaces.
Discover Black Steel Doors: The Best Internal Bi folding Doors in the UK for Modern Homes
Our internal bifolding doors are designed to be space-saving, with the ultra-slim B20 design taking the benefits of bifolding doors in London to the next level. The sleek design of our interior bifolding doors ensures that they seamlessly integrate into any setting, enhancing both the aesthetics and functionality of your space.
The interior bi-folding doors are an epitome of modern luxury, offering a blend of style, strength, and sophistication. With our internal bifolding doors, you can transform your home into a haven of light and space, where design meets practicality.
Enhance Your Interiors with Black Steel Doors’ Superior Internal Bi-folding Doors UK Collection
Discover the difference with our B20 Internal BiFolding Doors – where minimal steel meets maximum glass, and innovative design meets unparalleled functionality. Elevate your home with our bifolding doors, crafted to inspire and impress.
See also >> External bi-foding doors.
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Black Steel Doors London is the first company in the UK to offer a Steel Internal BiFolding system. Our Bi-fold doors are now becoming the most significant trend in the industry with irresistibly stylish contemporary design and expansive, light-enhancing glass panes.
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FAQ About Internal Bi Folding Doors
Answers to the most commonly asked questions about Internal Bi Folding Doors to help make an informed choice.
Internal bi-folding doors are multi-panel steel doors that fold to one or both sides, allowing you to open up rooms and connect interior spaces. They are ideal for kitchens, living rooms, dining rooms, offices and open-plan interiors.
Sure 🙂 our steel internal bi-folding doors are manufactured from premium steel profiles and engineered for frequent daily operation, ensuring long-term strength, stability and smooth movement.
All of our internal bifolding doors are fully bespoke. We manufacture to your exact opening size, panel layout, hinge position, glazing type and frame finish to perfectly suit your project.
We offer a wide choice of glazing options, including clear glass, reeded glass, frosted privacy glass and decorative safety glazing -allowing you to control light, privacy and interior style.
Lead time usually ranges from 6–10 weeks, depending on specification, glazing choice and project complexity. Your project manager will confirm timings at quotation stage.
Yes, unlike hinged doors, internal bifold doors fold compactly to the side, reducing door swing and making them ideal for smaller rooms, corridors and modern open-plan layouts.
Of course 🙂 frames can be powder-coated in any RAL colour, with popular finishes including textured black, satin black, anthracite and contemporary bronze-style coatings.
Our systems use precision-engineered hinges and high-performance track components, ensuring smooth operation, secure locking and excellent stability when folded or fully extended.
We provide professional site survey, measuring, manufacturing and installation services across the UK to guarantee accurate fitting, alignment and premium finish.
Yes ! our internal bifold doors include a manufacturer warranty covering materials, powder-coat finish and hardware performance when installed by our approved team.
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