Meet Ali. A flexible, stylish and high performance range of aluminium doors and windows.
Meet Ali. A flexible, stylish and high performance range of aluminium doors and windows.
Ali Doors and Windows
Ali saves time
Ali doors and windows have been cleverly designed to be extra easy to fabricate, adjust and install. Saving you time and money.
Ali shouts quality
Ali doors and windows are designed and manufactured in the UK using premium quality materials and are fully weather and security tested.
Ali cuts bills
Ali doors and windows have excellent thermal efficiency, slashing energy bills for your customers with an impressive A+ Window Energy Rating.
Ali arrives fast
Ali doors and windows come with our legendary customer service. You’ll find short lead times, guaranteed delivery dates and a personal touch.
Ali turns heads
Ali doors and windows are stunning, with slim sight lines offering wide unbroken views and are available in an almost endless choice of colours and finishes.
Ali gives choice
Choose from:

  • A wide range of options and configurations
  • A variety of threshold types including low thresholds for easy, uninterrupted access
  • Double or triple glazing for maximum thermal and acoustic performance
  • Further thermal enhancement available for added energy savings
  • Two stock standard RAL colours (9910 and 7016), including dual colour


Cutting-edge trade windows and doors
Easy to fabricate, install & maintain
Matching slimline suites
Patented PURe performance range
Excellent training and tooling


Competitive price structure
Exclusive quick cost estimator
Stocked painted products
Fast and reliable deliveries
Time saving taping service


Outstanding customer service
Marketing and promotional help
Technical assistance & advice
Showroom & exhibition aid
National and regional support

Folding sliding door system

Double door system

Single door system

Ali VU Casement Window

Ali VU Ovolo Frame Casement Window

Join our team and start to reap the benefits today.

Call 01709 772600 or complete the below and one of our technical sales managers will be in touch.

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Not all fenestration systems companies are the same. At Senior you’ll find not just a different range of products, but a different way of doing business. It’s a difference that our customers and their clients like.

Senior Architectural Systems Ltd
Eland Road, Denaby Main, Doncaster DN12 4HA
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