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AWS 70 HI Casement Windows

Schüco AWS 70 HI casement windows provide outstanding thermal performance combined with a sleek and stylish window finish. German engineered using the latest technological innovations, Schüco AWS 70 HI casement windows are a popular choice for trade glazing installers working on a variety of high-end residential and commercial projects.

  • Concealed vent frame option
  • Ultra-narrow face widths
  • 50mm external face width
  • 70mm profile depth
  • Inward or outward opening options
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Product features

Design features

Schüco AWS 70 HI casement windows are a fully customisable aluminium window system available with a top hung or side hung configuration. They can be specified with concealed, traditional manual or integrated electromechanical fittings to allow for both inward and outward opening functionality. With numerous design options available and outstanding performance levels in both thermal and security standards, Schüco AWS 70 HI casement windows can meet all your design expectations.

Product options

  • 70mm profile depth
  • Fully beaded glazing
  • Open in or open out functionality
  • Class 4 air permeability
  • Class 9A water tightness
  • 6mm to 45mm glazing thickness
  • Maximum weight 160kg
  • U-values as low as 1.2 W/m²K
  • Maximum size 2500mm x 1700mm


Maximum length

Maximum width

Maximum weight

Profile depth

Glazing thickness

Size Limits





6mm to 45mm



German engineered for premium performance

Schüco AWS 70 HI aluminium casement windows are designed to maximise thermal performance. With U-values as low as 1.2 W/m²K, they will help any property to efficiently retain heat and reduce heat loss. The AWS 70 HI casement window system can accept glazing thicknesses of between 6mm and 45mm with a maximum weight of 160kg. They feature fully beaded glazing for the best in security standards and provide outstanding levels of air permeability and water tightness. For glazing installers working on residential or commercial projects, they are an excellent choice.

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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.

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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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