Supply only Aluminium Bifolding Doors, Sliding Doors & Windows
JUST take a minute. Specify your bifold doors for an instant quote* or call us on 0800 112 3988
*online quote includes 150mm cill. Larger cills and add ons priced from £25 per m, trickle vents at £25 per vent.
JUST what is it that makes us different?
JUST ALUMINIUM manufactures premium aluminium bifolding doors, aluminium sliding patio doors, aluminium windows, folding windows & fixed windows plus, internal glass doors & partitions roof lights and roof lanterns using Cortizo, Smart and our very own JA-48 bifold door profiles, with UK delivery available from JUST 2 weeks!
Available for delivery throughout the UK, JUST offer aluminium doors and windows on a predominantly supply only basis, however with a network of recommended local installers JUST can sometimes suggest a local fitting contact to homeowners who are looking to purchase the products direct from the manufacturer but who require an installation service. JUST give you exactly what you need – from a trade company looking for a reliable manufacturer of high-quality supply only bifolds at a great price, or a builder looking for the perfect aluminium windows to provide the finishing touch to a renovation project or extension, or a homeowner looking to replace a tired set of patio doors but don’t want to pay inflated prices for what is often an inferior product.
SLIMLINE BIFOLD DOOR PROFILE
JUST aluminium fabricate our bifolding door systems using the Alunet, Smart Visifold or Cortizo bifold profiles – the leading profiles in the UK. At just 48.5mm, our bifold systems offers one of the slimmest frames on the market yet is incredibly strong – each bifold/french door panel can be made up to 3000mm high and up to 1200mm wide!
HIGH QUALITY & HIGH PERFORMANCE
JUST aluminium doors are unbelievably durable and reliable. Whether you choose bifolds or sliding doors, high-performance bearings and rollers deliver an ultra smooth operation, advanced thermal-break produces low u-values and insulation performance, and resistant powder coated finish offers years of virtually no maintenance!
EASY TO INSTALL
For trade customers looking for a new bifold door supplier, our doors are pre-casketed and renowned for their ease-of-fit. Alternatively, our network of local UK installers have years of experience installing supply only Cortizo Sliding Doors and bifolds on a range of properties – both residential and commercial – for homeowners and trade projects.
JUST the job – fast, reliable lead times from a UK manufacturer
JUST Aluminium believe in keeping you in the picture. We never promise lead times that we can’t achieve and always aim to deliver a high quality aluminium windows and doors on time and to the highest standards.
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The latest news from JUST aluminium


Alunet – the profile behind the JA48 Bifold
You’ve read about our JA-48 Bifold system, but do you know about Alunet the team behind the profile? Alunet are the UK’s fastest growing system


A Step-by-Step Guide: How to Toe and Heel
Toeing and heeling glass is a critical technique used in the installation of large glass panels or windows. This process involves precisely aligning and securing


What are the UK building regulations on trickle vents?
In the United Kingdom, building regulations have specific requirements regarding the installation of trickle vents in windows. Trickle vents are small, adjustable openings typically located