Aluminium bi-fold doors
AluK GB Ltd
AluK Bi-Fold Door Range – BSF70 HI & F82 PLUS
AluK’s bi-fold door systems offer the perfect balance of contemporary style, intelligent design, and outstanding performance. Whether you’re looking for flexible, high-performing solutions for modern homes or large-scale architectural projects, both the BSF70 HI and F82 PLUS deliver on every front.
The BSF70 HI brings slim sightlines, flush-stacking panels, and impressive thermal performance in a highly customisable, easy-to-install system. Meanwhile, the F82 PLUS sets a new standard for innovation, achieving market-leading U-values and accommodating larger glazed panels - ideal for expansive, light-filled spaces.
Both systems are engineered for smooth operation, energy efficiency, and clean, modern aesthetics, making them standout choices for transforming any indoor-outdoor living environment.
BSF70 HI
Welcoming, stunning, and practical, the BSF70 HI is AluK’s high-performance bi-fold door system that combines elegant design with intelligent functionality. Designed for versatility, it allows multiple folding panel configurations and offers the flexibility of both inward and outward openings. A unique flush line pop-out handle enables the doors to stack flat and square when open, delivering a clean, modern look with maximum space efficiency.
Engineered for high thermal performance, the BSF70 HI achieves impressive U-values of 1.4 Uw with double glazing and 1.1 Uw with triple glazing. It’s also now available with AluK’s Quik Clip feature for faster, more efficient installation on site.
Key Highlights
•Sleek, Flush Finish: Pop-out handle allows flush-stacked door panels when fully open
Flexible Configurations: Multiple panel options to suit wide openings and custom layouts
Thermal Performance: U-values as low as 1.1 Uw with triple glazing
Open In or Out: Choose the operation style that best suits your space
Fast Installation: Now available with Quik Clip for quicker assembly and fitting
Modern Aesthetics: Slim profiles for a contemporary, architectural finish
F82 PLUS
Innovation, not imitation – the F82 PLUS is AluK’s most advanced bi-fold door system to date, engineered to set new benchmarks in both performance and design. With class-leading thermal efficiency and refined aesthetics, it’s the perfect solution for high-end residential and commercial projects demanding exceptional quality and flexibility.
Offering U-values as low as 1.2 Uw with double glazing and an industry-leading 0.9 Uw with triple glazing, the F82 PLUS enables outstanding energy efficiency. Its streamlined design uses fewer parts and profiles, resulting in faster fabrication and installation, while panel sizes of up to 3000 mm give you the freedom to create expansive glazed openings with minimal visual interruption.
Key Highlights
• Best-in-Class Thermal Performance: Achieves U-values as low as 0.9 Uw with triple glazing
• Expansive Panel Sizes: Accommodates glazing panels up to 3000 mm for panoramic views
• Efficient Installation: Fewer components mean quicker fabrication and faster on-site installation
• Modern Minimalism: Designed for slim sightlines and clean, architectural finishes
• Project Flexibility: Tailored for a wide range of residential and commercial applications
