Bifold Doors Gallery

At Fenea, we exclusively install high-spec aluminium bifold door systems from Smart Systems and Sheerline, designed to meet the rigorous demands of modern construction projects. From thermal efficiency to customisation and compliance, every feature is engineered with performance in mind.

Slim-Line Profiles for a Contemporary Finish

Our bifolds feature attractive, slim-line profiles available in both square and rounded edge options. These reduced sightlines (typically 122mm) not only provide a sleek, modern aesthetic but also maximise the glazed area, bringing in more natural light and delivering uninterrupted views.

Outstanding Thermal Performance

Each profile is fitted with a polyamide thermal break or multi-chamber thermal break, significantly improving insulation. With suitable glazing and thermal foam upgrades, we can achieve U-values as low as 1.4 W/m²K with double glazing, easily meeting Document L building regulations for energy efficiency.

Weather & Air Resistance

Tested to BS 6375 Part 1: 2009, achieving:

• Air permeability: Class 4 (600Pa)
• Water tightness: Class E (750Pa)
• Wind resistance: Class 4 (1800Pa)

Combined with EPDM gaskets and weather brushes, this ensures long-term protection against the elements in both domestic and commercial settings.

Enhanced Security as Standard

Security is built in from the ground up. Our systems are PAS 24:2016 certified for enhanced performance and include:

• Multi-point locking on main sashes
• Shoot-bolt locks on floating mullions
• Optional domestic-style ‘lift-up’ handles and adjustable, one-piece keeps

This makes Fenea aluminium bifolds suitable for residential projects with strict security requirements and commercial spaces needing controlled access.

Wide Range of Configurations

Whether you’re designing a panoramic home extension or a café frontage, we offer flexible configurations:

• Panels can fold inward or outward
• Openings can be placed centrally (French door style) or to one side
• Options for low thresholds (for step-free access) or rebated thresholds (for improved weatherproofing)

Each sash can span up to 1200mm wide and 2500mm high, with a max weight of 100kg, enabling bold, uninterrupted openings up to 6.5m wide.

Marine-Grade Powder Coating

All doors are finished in marine-grade polyester powder coating, suitable for harsh UK coastal conditions. Choose from:

• Standard and non-standard RAL colours
• Dual colour options (different inside and outside colours)
• Textured finishes
• Woodgrain effect finishes for a traditional look with aluminium strength

Colour-matched accessories are also available for a seamless aesthetic.

Precision Engineering

Each door is fabricated with mitred corners for tight, accurate joins that boost both performance and visual appeal. Stainless steel rollers and robust hinges ensure effortless glide action and years of reliable operation even in high-traffic environments.