70mm Alumina Bi-Fold Doors
Offering the ultimate in aluminium door design, Alumina bi-folding doors have been crafted to the highest standards, combining high levels of energy efficiency with the superb strength of aluminium.
taller wider stronger
Liniar has applied its design and development expertise to create an innovative aluminium door system - Alumina. The fully aluminium 70mm bi-folding door offers even greater spans and heights than its uPVC sisters, thanks to superb strength and stability.
seamless coordination
This means Alumina is ideal for larger apertures, and since it's been crafted for perfect consistency in style and colour, products from both our aluminium and uPVC ranges can be coordinated seamlessly.
warmth and comfort
With aluminium doors, heat is often lost through the lock – however Liniar’s clever polyamide thermal locking system prevents this, allowing Alumina bi-folds to achieve
highly secure
As you’d expect from Liniar, Alumina bi-folding doors offer home protection with the highest levels of security. Their built-in hardware includes multiple bi-directional locking points, shootbolts, anti-lift features and anti-bump cylinders, ensuring Alumina doors hold
This product is available in more colours for bespoke orders. See the full colour range here.
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Use our comparison tool to compare up to three product types. You can compare products by clicking this button to add them to your comparison basket. When you are ready to compare, click the ‘Compare’ button in the toolbar and you will be shown your selected products one screen.Alumina bi-folding doors by Liniar have all the benefits associated with PVCu, including foiled finishes and high thermal efficiency, combined with the strength and stability of aluminium - enabling Alumina bi-folds to span greater heights and widths. Discover the reasons to choose Alumina doors from Liniar!
Alumina Bi-Fold doors FAQS
Do you offer a wheelchair-accessible threshold option?
Yes - Alumina aluminium bi-fold doors come with a choice of five different thresholds, including a family-friendly Part M-compliant low threshold for wheelchair or pushchair accessibility.
Are Alumina bi-fold doors designed to be energy efficient?
Unlike traditional aluminium doors that commonly experience heat loss through the lock mechanism, Alumina bi-folds incorporate a clever polyamide thermal locking system by Liniar. This innovation effectively prevents such heat loss, enabling Alumina bi-fold doors to attain impressively low U-values of 1.2 with triple glazing.
What colour choices are available for Alumina bi-fold doors?
Alumina doors are powder coated in white gloss, grey or black finishes. However, unlike typical aluminium bi-fold doors, Alumina doors by Liniar offer the option for the exterior to be foiled with smooth solid colours or woodgrain-effect finishes. This unique feature not only provides a warm tactile feel to the doors but also allows for precise colour and style coordination with Liniar uPVC windows. When installed together, these products are all protected under a single guarantee for your peace of mind.
Are Alumina bi-fold doors considered secure?
Yes - Alumina bi-folding doors provide top-tier home security. Equipped with integrated hardware, including numerous bi-directional locking points, shootbolts, anti-lift mechanisms, and anti-bump cylinders, Alumina doors are tested to the stringent requirements of PAS24 and Part Q Building Regulations, making them compliant with Secured By Design certification.
Is it possible for me to select either double or triple glazing?
Yes - Alumina bi-folding doors are available with either double or triple glazing, with U-values as low as 1.2 for the triple glazing choice.
Find a supplier of Alumina aluminium bi-folding doors by entering your postcode here.
Product information
- Perfect for large expanses and heavy duty or commercial developments
- Able to span up to 7 panes wide, 8.5m overall, with sash height up to 2.5m high
- A bespoke bottom-rolling operation means Alumina can cope with heavy duty traffic
- Highly secure, with PAS24, Part Q and Secured By Design accreditation
- The first aluminium door with the ability to be foiled, giving a warm-touch finish
- Available with concealed ventilation solution, foiled or painted to match
- Thermal lock makes Alumina one of the most energy-saving aluminium systems
- A choice of 5 thresholds, including family-friendly Part M compliant low threshold
- Available with double or triple glazing, with U-values as low as 1.2 (triple)
- Combine with Liniar uPVC windows for a cost effective, fully matching installation
Secured By Design
PAS24 Security
BS EN 6375
ISO 9001