Aluminium Slimline Sliding Doors

Alteza slimline sliding door solution features large panels of glass with minimal sightlines, combining incredible views, aesthetics, high security, and surpassing all international weather and thermal ratings. As one of the top slimline sliding door suppliers, we offer slim profile aluminium sliding doors for various applications.

Alteza premium aluminium slimline sliding doors can be tailor-made to match the most demanding project specs. Alteza strikes the perfect balance between design and engineering, delivering a host of benefits without compromising on style. Configuration of your choice, sizes as per your requirement and a bespoke colour palette is only a beginning.


Door Styles

Alteza, one of the leading slimline sliding doors manufacturers, offers slimline aluminium sliding doors that combine sleek design with high security and excellent thermal ratings. Customisable to your specifications, they are perfect for any modern project.

Slim Line Sliding Door

Slim Line Sliding Door - 2 Track 4 Panel

Slim Line Sliding Door - 2 Track

Doors that
are made for you

Every home is different, and that's the way it should be to reflect the style and requirements of the occupants. The innovative systems from Alteza aluminium doors are bespoke to each project and are manufactured to the highest quality to offer outstanding aesthetics as well as performance levels. With Alteza, you can customize.





Size & Color

10 Year Warranty

12 Years of Fabrication Experience

World-Class Technology

Highly Customizable

Wide Range

Space recommendations

Why choose Aluminium Slimline Sliding Doors?

Sleek Design

Slimline sliding glass doors feature 30 mm and 19 mm interlocks, providing a minimalist look while maximising views and natural light.

Advanced Technology

Made with world-class technology, these slimline aluminium sliding patio doors offer superior performance and durability for long-term use.

Low Maintenance

Slimline aluminium internal doors are almost completely maintenance-free, saving you time and effort in upkeep.

Enhanced Security

Equipped with multi-point locking systems, slimline aluminium sliding patio doors ensure heightened security for your home.

Customisable Options

Tailor your slimline sliding glass doors to fit any space with custom sizes, colours and hardware, achieving the perfect blend of style and functionality.


What makes Alteza's slimline sliding doors unique?

Alteza’s slimline sliding doors feature minimal sightlines, advanced technology and superior security, making them ideal for both aesthetics and performance.

Can slimline sliding glass doors be customised?

Yes, slimline sliding glass doors can be customised in terms of size, colour and hardware to meet specific project requirements.

Are slimline aluminium sliding patio doors suitable for harsh weather conditions?

Yes, they are built to surpass international weather and thermal ratings, ensuring durability and performance in any climate.

How do slimline aluminium internal doors enhance space?

Slimline aluminium internal doors provide sleek, modern aesthetics while maximising natural light and saving space, perfect for various interior applications.

What security features do slimline sliding doors offer?

They come with multi-point locking systems and branded genuine glass & hardware from OEMs, ensuring heightened security and peace of mind.

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