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Bi-Fold Doors London
At Cor-Line Systems Ltd, we take pride in offering a diverse range of bi-fold door options that cater to all budgets and design preferences for our London based customers.
Whether you're seeking premium quality for your dream home or reliable solutions for a specification project, we've got you covered.
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We provide three exceptional bi-fold door options from two industry-leading brands: Cortizo and Sheerline.
These trusted names are synonymous with excellence, delivering innovative and stylish solutions that are perfect for homeowners and specifiers alike.
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Our bi-fold door systems combine functionality with aesthetic appeal, offering:
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Unmatched quality for seamless indoor-outdoor living.
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Customizable designs to suit contemporary and traditional styles.
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Durability and performance that stand the test of time.​
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Explore our bi-fold door options today and let Cor-Line Systems Ltd bring your vision to life with doors that are as practical as they are beautiful.
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Contact us now to discuss the perfect bi-fold door solution for your project!
Cortizo Bi-Fold PlusÂ
The Cortizo Bi-Fold Plus is the perfect solution for transforming spaces in any setting, offering a combination of sleek aesthetics, top-tier performance, and exceptional versatility. With an 80 mm deep frame and a slim 110 mm central section, this advanced bi-fold door system maximizes the glazed surface, flooding interiors with natural light and creating a seamless connection between indoor and outdoor environments. Its 45 mm thermal break and glazing capacity of up to 48 mm ensure superior thermal efficiency and acoustic insulation, making it ideal for energy-conscious homeowners, architects, and trades professionals seeking high-performance solutions. Whether it's a modern home extension, a contemporary office, or a stylish retail space, the Cortizo Bi-Fold Plus delivers the perfect balance of form and function.
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The system is highly customizable, offering a wide range of colors, finishes, and hardware options to suit your specific requirements. With slim sightlines that maximize natural light and a robust design certified to British security standard PAS 24, Cortizo casement windows are not only stylish but also secure.
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These windows are a perfect solution for both modern residential projects and demanding commercial applications, offering the durability and quality that Cortizo is known for.
Standard FeaturesÂ
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Frame Depth: 80 mm deep frame for enhanced durability and stability.
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Thermal Break: 45 mm thermal break for superior energy efficiency.
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Slim Sightlines: 110 mm slim central section to maximize glazed surfaces.
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Glazing Capacity: Accommodates double or triple glazing up to 48 mm for enhanced thermal and acoustic performance.
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Smooth Operation: High-quality hinges and rollers ensure effortless folding and opening.
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Custom Configurations: Available in multiple panel configurations to suit various project requirements.
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Weather Resistance: Engineered for excellent sealing and protection against the elements.
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Finish Options: Wide range of durable powder-coated or anodized finishes to complement any design.
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Security Features: Integrated multi-point locking system for enhanced safety.
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Light Maximization: Designed to allow maximum natural light into your spaces.
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Low Threshold Option: Provides easy access and complies with accessibility requirements.
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Flexible Applications: Suitable for residential, commercial, and trade projects alike.
Why Choose the Cortizo Bi-Fold Plus?
The Cortizo Bi-Fold Plus is more than just a door system—it’s a smart investment in style, functionality, and efficiency. Whether you're creating a bright, open-plan home, designing a cutting-edge commercial space, or completing a high-spec trade project, this system offers unparalleled performance and design flexibility. With its sleek aesthetics, superior thermal efficiency, and robust security features, it’s the perfect choice for those who value quality and innovation.
Sheerline Prestige Bi-FoldÂ
The Sheerline Prestige Bi-Fold system is the epitome of modern design and functionality, offering unparalleled performance and versatility for residential, commercial, and trade projects. With its sleek, contemporary aesthetics and robust aluminum construction, the Prestige Bi-Fold system provides a seamless connection between indoor and outdoor spaces while enhancing thermal efficiency and security. Its ultra-slim sightlines maximize natural light, creating bright and inviting interiors, while the high-performance thermal break ensures exceptional energy efficiency. Whether you're designing a stylish home extension, a cutting-edge office, or a vibrant retail space, the Sheerline Prestige Bi-Fold system delivers a perfect combination of practicality and sophistication.
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In addition to its impressive bi-fold capabilities, the Sheerline Prestige range also includes single doors and French doors, ensuring a solution for every design need.
Standard FeaturesÂ
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Meeting Sightlines: Slim 138 mm meeting sightlines for a modern, minimalist look.
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Frame Sightlines: Narrow 88 mm frame profiles maximize natural light.
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Thermal Efficiency: High-performance thermal break for superior energy savings.
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Durable Construction: Precision-engineered aluminum frames for long-lasting strength.
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Glazing Capacity: Supports double or triple glazing up to 44 mm for thermal and acoustic insulation.
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Smooth Operation: Premium hinges and rollers for effortless folding.
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Custom Configurations: Multiple panel options to suit any layout.
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Integrated Security: Multi-point locking for enhanced safety.
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Weather Resistance: Advanced seals for all-weather performance.
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Matching Doors: Includes single and French door options for a consistent look.
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Range of Finishes: Wide variety of powder-coated colors and finishes.
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Low Threshold Options: Accessibility-friendly designs available.
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The Sheerline Prestige Bi-Fold combines sleek design with exceptional performance, making it the perfect choice for any residential or commercial project.
Sheerline INDEX Bi-FoldÂ
The Sheerline Index Bi-Fold range is the latest addition to the market, offering a more affordable option without compromising on the exceptional features that define the Prestige range. Designed with the same sleek aesthetics, slim sightlines, and high-performance thermal efficiency, the Index Bi-Fold is perfect for homeowners, architects, and trades professionals looking for premium quality at a competitive price.
With its durable aluminuim construction, smooth operation, and impressive glazing capacity, the Index Bi-Fold provides the ideal solution for creating light-filled, contemporary spaces while maintaining robust energy efficiency and security. Offering exceptional value, the Index range ensures that style, functionality, and performance are accessible to all.
Standard FeaturesÂ
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Maximum Height: Designed for door heights up to 2300 mm.
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Slim Sightlines: Slim meeting sightlines of 138 mm for a sleek, modern look.
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Frame Depth: Compact and robust 80 mm frame depth.
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Thermal Efficiency: High-performance thermal break for energy savings and comfort.
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Durable Construction: Precision-engineered aluminuim frames for long-lasting strength.
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Glazing Capacity: Supports double or triple glazing up to 44 mm for superior thermal and acoustic insulation.
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Smooth Operation: High-quality hinges and rollers for effortless and reliable folding.
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Custom Configurations: Multiple panel options to fit various layouts and space requirements.
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Integrated Security: Multi-point locking system for enhanced safety and peace of mind.
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Weather Resistance: Advanced sealing technology for reliable performance in all conditions.
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Range of Finishes: Available in a variety of powder-coated colors to suit any project.
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Low Threshold Option: Accessibility-friendly low thresholds for seamless transitions.
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Sustainability: Manufactured from recyclable aluminuim, supporting eco-conscious projects
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The Sheerline Index Bi-Fold combines affordability with premium features, making it an ideal choice for any residential or commercial application.
