Why Choose Alumina
Excellent energy efficiency, a beautiful warm touch foil finish or RAL coating and stunning, vast expanses of glass are only a few of the reasons why customers choose Alumina bi-folding doors by Liniar.
From character properties to modern new builds, the Alumina bi-folding door is an ideal solution. With hundreds of wood grain and plain colour foil finishes available and over 150 RAL colours, Alumina bi-folding doors match perfectly with Liniar uPVC windows and doors. For homes and businesses that need traditional looking timber appearances, the realistic wood grain foil finishes are the perfect solution. A low maintenance alternative to timber, Alumina bi-folding doors are easy to clean and don’t require annual care or staining.
- Foiled Alumina bi-fold doors come with matching uPVC beads
- Range of threshold options including Part M low threshold, giving customers a range of threshold options
- Flexible uPVC beading for easy glazing and less risk of damage during the glazing process
- Triple glazing ready and U-values as low as 1.3W/m2K
- Compatible with the Liniar uPVC frame extensions
- Foiled Alumina bi-fold doors offer a fully matching, sculptured appearance when paired with the Liniar window suite
- Singular Liniar 10 year guarantee covering the entire range
- Concealed drainage eliminates the need for face drain caps
- Available fully built or in kit format, making projects with limited access easier
- Captive top track makes Alumina easier to install and prevents mishandling
- Full installation support from Liniar, including installation guides and videos
- Alumina’s revolutionary uPVC beading can be painted to match the RAL white finish of the doors
- PVCu beads mean no risk of damaging painted surfaces during glazing – which commonly happens with aluminium beads – simply bow and arc the beads into place
- No visible wedge gaskets – the uPVC bead utilises Liniar’s patented co-extruded gasket technology
- Glaze doors at over 2x the speed with no extra gaskets to insert and a simple tap with a nylon hammer
- Alumina bi-fold doors offer a perfect match to an existing Liniar window suite, thanks to 150 RAL colour combinations and hundreds of solid and woodgrain foil finishes available inside and out
- The aluminium exoskeleton provides the appearance of an aluminium door with the thermal and energy efficiency of a uPVC door
- Each pane of an Alumina bi-folding door is up to 1200mm wide and 2500mm tall, offering configurations of up to seven panes wide – wider than possible with composite or uPVC options
- Numerous opening configurations allow Alumina to be adapted to suit any property
- U-values as low as 1.3W/m2K and triple glazing ready
- Unlike most bi-folding doors available on the market, Alumina offers five, severe weather-rated threshold options – including a Part M compliant threshold, perfect for commercial properties and those needing wheelchair access
- Alumina’s industrial, warm touch finish provides a sleek, low maintenance entry solution for homes and businesses
- Achieve a seamless finish with Alumina’s colour-matched PVCu beads