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ASS 50 Aluminium Sliding Doors

ASS 50 aluminium sliding doors are a high performing and aesthetically attractive lift and slide door system from specialist aluminium systems company Schüco. Available as a single, double or triple track system, the ASS 50 sliding door can be custom designed to meet a wide range of residential and commercial project specifications.

  • Double or triple track system
  • Quiet and effortless opening operation
  • Compatible with other Schüco glazing systems
  • Burglar Resistant Design (RC2)
  • Flat outer frame profile
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Product features

Design features

Schüco ASS 50 lift and slide aluminum doors operate using a durable stainless steel track system. They glide effortlessly open and when closed create a wall of glass effect, boosting natural light intake and maximizing efficiency. Often specified for us in premium residential installations, they are equally suited to installations in a variety of commercial settings such as offices, restaurants, schools, colleges, and universities.

Product options

  • Powder paint anodized finish
  • 32mm glazing thickness
  • Maximum vent weight 400kg
  • Class 4 air permeability
  • E750 water tightness
  • 6 vent system
  • Meeting stile design
  • 120mm frame depth
  • U-values as low as 1.9 W/m²K


Frame depth

Glazing thickness

Glazing method



Air permeability

Water tightness

Wind resistance

ASS 50


8mm - 32mm


Class BC2

From 1.6 W/m²K

Class 4

Class 9A

Class C4/B4



Aluminium sliding doors for residential and commercial installations

The Schüco ASS 50 aluminium sliding door system is a high performing and visually stunning door option that is perfect for a wide range of residential and commercial applications. Functioning on a double or triple track system, it offers a quiet and effortless opening operation with every use and is fully compatible with other Schüco glazing systems. Its flat outer frame profile creates a sleek and stylish appearance, and it can be finished in a wide range of anodized powder coat colours for the best in bespoke customisation.

open aluminium sliding doors

Frequently Asked Questions

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What are your lead times?

Lead times can vary per product. For stock PVCu colours we work to a 10-15 working day schedule. For more up to date lead times on any specific product e-mail us at where we will be happy to help.

Are your products compliant with new building regulations?

Our Eurocell PVCu range of products are fully compatible with all new build regulations. Quantum Windows has a number of secured by design certifications to provide you with peace of mind and our quality systems in place are all aimed at producing a quality product first time, every time.

Currently, our range of Aluminium double glazed Aluk 58BW HI Windows, Aluk 58BD HI Residential doors, EdgeGLIDE+ Sliding door and Unifold HI all have a U-value of 1.4 or below and are compliant with new building regulations. Our range of compliant products is always growing, so please give us a call for the most up to date information.

Please note that you will need to specify on your enquiry if you need your product to meet the new building regulations.

Where do you deliver to?

We deliver weekly to the West Midlands, Derbyshire, Leicestershire, Warwickshire, Oxfordshire, Berkshire, Surrey, West Sussex, East Sussex, Kent, Greater London, Hertfordshire, Essex, Suffolk, Cambridgeshire, Bedfordshire, Buckinghamshire. Norfolk and of course Northamptonshire.

aspects white open bi fold doors

I have been buying windows and doors from Quantum Windows for over 25 years. I have always found the pricing very competitive and the quality has been very high. On the rare occasion a problem has arisen it has been dealt with swiftly and efficiently. The office staff are always polite, friendly and professional and we have built a strong relationship over the last 25 years. The drivers are excellent. I know them very well and they have adapted to my ways of working and are always willing to help and accommodated me.

Craig Gutteridge

“We have dealt with Quantum Windows for 13 plus years, we find the staff to be courteous and polite and any queries we may have are dealt with promptly and efficiently, nothing is too much trouble”

Jackie - Accounts Dept

W R Enterprise Glass & Glazing Ltd.

We have been buying from Quantum Windows for almost 30 years now, they offer a wide product range and the Team have excellent product knowledge which is invaluable in an ever-changing market.

All team members are friendly, helpful and efficient, orders are processed with care and quotations provided promptly. I would have no hesitation in recommending Quantum Windows.

Vicki Webb

Clearview 2000 LTD

‘We have used Quantum Windows for many years now, we have always found them to be very easy to work with, the staff are all very helpful and friendly, they are always available to offer any help should we need it, excellent product!’


Chapel Windows

Glevum and Quantum have enjoyed an excellent working relationship for a number of years, working together to provide a high quality, value for money product offering and service for the end user.

As well as delivering a high quality product, the knowledge and experience of the staff at Quantum is invaluable to a customer in a market where Building Regulations are constantly changing.

Mike Donaldson

Glevum Design & Build

As installers of both PVCu and Aluminium to the New Build market, the importance of on time delivery is totally time critical.
Over the last 20 years Quantum windows have worked closely with PGB to partner with us and deliver our offer to site.
Highly professional, and a pleasure to have worked with them so closely over the years.

Phil Martin CEO

Portico CB Ltd

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