• 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

*Acoustic Glass Available

ASTRAGAL BARS. 

Our slim 20mm Astragal Bars add a touch of Georgian elegance to any design, striking an optimal balance between traditional style and modern practicality.

• Endless customization options &  Width: 20mm

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 bifolding doors London 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.

Select from a range of opening systems that suit your preferences, including French Doors, Sliding Doors, internal BiFolding Doors, and Pivot Screens. 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.

See also >> External bi-foding doors.