Sheerline Aluminium Bi-Fold Doors Stortford

Transform your home with Sheerline’s Prestige and Index aluminium bi-fold doors in Stortford, designed to create a seamless connection between your indoor space and garden. Available in configurations up to 7 panes wide, these doors can open inwards or outwards, offering flexibility to suit your property’s layout. With slim, elegant aluminium frames and consistent 138mm sightlines (Prestige) or 134mm sightlines (Index), Sheerline bi-folds maximise natural light, creating bright, airy interiors even when closed.

Choose from a variety of styles, including contemporary flat-faced or classic stepped designs, to complement your Stortford home’s aesthetic. For unique architectural needs, Sheerline bi-folds support right-angled configurations with a moving corner post option, allowing the return to fully open (subject to structural support).

Crafted with Sheerline’s innovative Thermlock® multi-chamber thermal break technology, our bi-fold doors deliver exceptional thermal performance, achieving U-values as low as 1.4 W/m²K (double-glazed) and 1.0 W/m²K (triple-glazed), ensuring compliance with Part L building regulations. This advanced insulation keeps your home warm and energy-efficient, even in harsh UK weather.

With Pinnacle Windows, you can expect nothing but the best in terms of quality and design. Looking for a free quote? Contact us today.

Our Aluminium Bi-Fold Door system offers a sleek, modern and unique option for installers across the UK. Benefiting from a host of benefits including the following:

Configurations: Up to 7 panes wide, opening inwards or outwards, with left or right orientations.

Sightlines: Consistent 138mm (Prestige) or 134mm (Index) for a balanced, minimalist look.

Thermal Efficiency: Thermlock® technology achieves U-values of 1.4 W/m²K (double-glazed) and 1.0 W/m²K (triple-glazed).

Security: 5-point locking, double deadbolts, and full-length security interlocks. French passive doors feature an integral finger-pull lock for a sleek design.

Hardware: Bespoke VBH hardware and optional Brisant-Secure Ultion 1* Plus 2* lock for enhanced security. Smooth operation with custom single rollers (Prestige) or double-wheeled rollers (Index), eliminating the need for floating mullions.

Thresholds: Four weather-sealed threshold options, including low-level and integrated cill designs for easy access and installation.

Finishes: Available in 12 standard colours, bespoke options, or woodgrain foiling for a Scandinavian-inspired look. Covered by a 25-year powder-coated finish guarantee.

Our Aluminium Bi-Fold Door System is available in any RAL colour. The standard colours that we have in available are Grey 7016 (Matte), Black 9005 (Matte), White 9016 (Gloss), Grey 7016 (Matte) on White 9016 (Gloss), Black 9005 (Matte) on White 9016 (Gloss).

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Customisable Sheerline Bi-Fold Doors

Sheerline’s Aluminium Bi-Fold Doors Stortford combine style, security, and performance. The Prestige range offers premium versatility with up to 7 panes and a maximum height of 2.6m and width of 6.5m, while the Index range is optimised for high-volume retail and contract work, meeting 90% of bi-fold orders with a streamlined design. Both ranges feature pre-gasketed clip-in beads for faster installation and adjustable jambs with +/- 4mm flexibility for precise fitting.

With PAS24 accreditation as standard and optional Secured by Design certification, Sheerline bi-folds ensure robust protection against intruders. The innovative mishandling device guarantees correct locking order, enhancing security and ease of use. Choose from HIPCA gloss white, anthracite grey, jet black, or bespoke colours to match your home’s style.

Ideal for homeowners seeking uninterrupted views, enhanced security, and energy efficiency, Sheerline bi-fold doors elevate your living space while complementing Pinnacle Windows’ commitment to quality and craftsmanship. Contact us today to explore how Sheerline bi-folds can transform your Stortford home.