The complete guide to reynaers aluminium windows

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Nick Dardalis


For new build and property renovation projects, Reynaers aluminium windows are highly-engineered windows, comprising excellent design and styling, first-class security, weather resistance and energy efficiency. The current Reynaers range of windows provides contemporary and classically styled aluminium window options for both residential and commercial projects. Reynaers aluminium windows stand among the best in the industry. and this guide to the current Reyaners range explains all the current versions available, their key features and where you can use them in your property renovation or new build project.

Reynaers Aluminium Windows – Introduction

Should you choose Reynaers windows for any property project you are benefitting from windows designed to last, with impressive overall design and the all-important attractive styling. The entire range is designed for all types of new-build or replacement window projects. And unlike other aluminium systems, Reynaers try to ensure all their window versions, integrate well with other products in their range.

You can expect high-quality aluminium profiles and the latest insulation and thermal enhancements as standard. The coatings available with all Reynaers windows and doors are of excellent quality available in a substantial choice of colours, and applied to established coating standards and specifications.

In our view, the range of handles you get with Reyaners aluminium windows are some of the best designed and most attractive of any window system. Beautiful to look at, many branded with the Reynaers name or logo, functional, tactile and above all, reliable. All locks, seals, gaskets, handles, corner assembly components, and more, are crafted with the utmost quality, some specifically designed for the products.

Understanding the security and energy-efficiency credential of these windows can be a little difficult because the performance you get, depends on the overall window specification. That said, every window in the Reynaers range meets established industry standards for security, energy efficiency, weather sealing and even acoustics. Hence, your choice depends largely on your desired style and any specific needs your project may dictate.

Overall when choosing Reyaners for your windows, you are promised upper-tier aluminium windows that will meet most property, design and functional requirements.

Reynaers CS77

For new build projects, Reynaers ConceptSystem77 cover virtually every design requirement and has matching doors from the same CS range. CS77 windows are not the slimmest and they are bold in styling. However, you are rewarded with high-specification windows available in all manner of styles and designs and opening options.

Reynaers CS77 is the go-to window for new-build projects and offers numerous opening options, including inward or outward opening, reversible pivot, and tilt and turn and three different frame styling options with Softline, Functional and Hidden Vent. There’s even a fire-rated version. Superb.

Best for: High-specification windows for architect-design projects.

reynaers cs77 in a modern white house in brugge
Architect: Johan Louagie
Photo: Debbie De Brauwer

Reynaers SlimLine 38

Designed for replacing existing metal windows or for projects requiring the steel look, Reynaers SlimLine 38 is very well designed, and the various frame and sash combinations create impressive-looking heritage, Art-Deco, and industrial-styled windows.

An outward opening SlimLind3 38 starts at 60mm face dimensions, so it is certainly slim You can use it in new build and replacement window projects. Find out more about this SlimLine 38 in the Reynaers aluminium windows range.

Best For: Slimline window replacements with or without the steel-look bars and when you want thin tilt and turn or opening inwards windows.

reynaers aluminium windows in a modern new build single storey house

Reynaers MasterLine 8

Reynaers MasterLine 8 is another recent system introduced by Reyaners and as well as aluminium windows provide pivot doors and large minimalist glazing. It is superb in every way, for high-end contemporary homes and for architects seeking to specify the ultimate glazing system with the performance to match.

MasterLine 8 is innovative, luxurious and delivers class-leading design and overall performance. It is also very expensive, but worth the investment. This system is designed to meet individual specifications and requirements, with four design options including minimal frame, Art-Deco, Hidden Vent and Renaissance variants.

Best for: Homes wanting high specification and high insulation designer windows, with minimalist, hidden frame, heritage and contemporary options.

reynaers aluminium windows and doors in a brick gable fronted house

Reynaers MasterLine 10

An advanced and Passivhaus system, MasterLine 10 delivers on thermal performance, weather ratings, acoustics and security. The system is also capable of achieving larger opening windows with opening elements up to 2800mm high.

MasterLine 10 is by no means a slimline window with a typical opening design having sightlines starting at 113mm. However, when the best aluminium window performance is required, this system delivers.

Best for: Passivhaus Reynaers aluminium windows with a choice of frame styles and capable of impressive designs with large glass panels.

contemporary glazing house

Reynaers Heritage Collection

More recently, Reynaers has introduced the Heritage Collection. However, it lacks anything new in steel-inspired windows and doors. It simply comprises Slimline 38, Slimline 68 and MasterLine 8. All of these are available with a range of profiles giving a modern, classic or Deco style frame design.

If you are in the market for steel-look windows, Reynaers will serve you very well and arguably come with more design options than the popular Aluco system and Smart Systems Heritage range. But it is significantly more expensive, and their steel-look residential doors don’t offer the authentic styling of other brands, not even featuring the lock backplate typical of Crittall® doors.

Best for: Steel look windows in the Reynaers brand and if the design features of original metal windows aren’t essential.

loft apartment with steel-look windows by unmade bed

Reynaers Aluminium Windows – how to choose and where to buy

For most residential installations, Reynaers SlimLine 68 will meet your needs as slim, high-quality opening outwards casement windows. There is not need to look at the other models on offer.

For new-build homes needing the lowest possible U-Values MasterLine 10 provides the obvious solution. That said, such is the flexibility of Reynaers aluminium windows, you can get to very low U-Values with their other products, apart from the CS77, depending on the glass specification used.

CS77 is the go-to performance window when you want total integration with your doors, aren’t bothered about the slimmest windows, but want the reassurance of a tried and tested window. CS77 is designed and made to perform.

MasterLine 8 is designed in such as way as to meet all manner of requirements, whether it is styling, frame options, large or small windows, and integration with a great range of doors, including designer entrance doors. Where you are not constrained by budget, Masterline 8 windows are very impressive.

As good as Reynaers aluminium windows are, you won’t find every Reynaers installer or manufacturer making or offering every model. MasterLine 8 is outstanding in its appearance, functionality and specifications, but very hard to get to see in person. Viewing Reynaers windows is therefore not easy, and a trip to the Reynaers Showroom in Birmingham is a good starting point. Express Bifolds in Leeds, Scotland, Surrey and Essex provide Reynaers aluminium windows under their own brand name, although again they do not make every model.

Buying a Reynaers window is recommended because the reputation, quality and specifications or this brand go much further than anything by Smart Systems, Origin, Aluk, Sheerline and others. Only Schüco windows come close. Your windows will perform, last for years and look great with minimal maintenance.

The entire Reynaers aluminium windows range is very advanced, offers standard or very high window specifications and is accompanied by bifolding and sliding doors. It can be difficult finding good Reynaers installers, but you can get in touch and we can help with details of those near your area.

Do you need help finding Reynaers or other aluminium windows and doors for your residential or commercial project? The Aluminium Trade Supply Website has been providing expert help to homeowners and the trade since 2010. Contact us about your project and finding the right windows and doors from the best suppliers.

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Andrew DOBSONAndrew DOBSON
16:42 30 Oct 23
Nick responded incredibly quickly to my enquiry (on a Saturday too!), and was able to offer invaluable advice on both aluminum systems and manufacturer / suppliers. Thanks Nick!
chris steerchris steer
16:18 09 Oct 23
Had a meeting with Nick during the grand designs show. Was extremely helpful and professional would highly recommend
Chris WesthorpChris Westhorp
19:55 13 Sep 23
Extremely helpful with pointing us in the right direction to find the products we required and suggesting firms that could reliably fit them.Nick was quick to reply and very detailed in his advice.Highly recommend reaching out to them.
Cathy GreenwoodCathy Greenwood
07:03 11 Sep 23
Update - A second email to nick for help on bifolds resulted in a detailed informative reply even on a Sunday ! This guy is so knowledgable and helpful .I approached Nick for an independent view on sliding doors v bifold and the different brand options . His reply was extremely detailed and prompt and allowed me to navigate this often confusing world in a much more informed way . Thanks so much Nick
Anthony CraigAnthony Craig
12:45 05 Sep 23
This is a must site for anyone looking for advice. Great service and very quick answers to questions. Nick has been of great help quiding us through the maze of aluminium products. Thank you
Philip DuffieldPhilip Duffield
20:24 26 Jul 23
I contacted Nick @ ATS for guidance on what aluminium sliding door systems would be suitable for an opening in an extension that is going to be both wide and tall. He came back really quickly with very detailed and incredibly helpful advice. He is clearly extremely knowledgeable about the systems on the market and their respective features and capabilities. If you’re feeling a bit lost by the overwhelming range of choices out there, I’d definitely recommend contacting him.
Dariush HekmatDariush Hekmat
17:25 19 Jul 23
Nick's advice is great. He is always quick to respond and spends time on responses, which really help to make an informed decision.
Alan FosterAlan Foster
07:51 12 Jul 23
Absolutely fantastic. Asked for advice about replacing Crittall (?) windows late last night and early this morning received 3 great suggestions and contact information for suppliers
Rachel LauRachel Lau
09:24 16 Jun 23
Fantastic website full of valuable and pragmatic advice about product selection and comparison: no other website gives information like this. Truly written for public interest. Don't hesistate to reach out to Nick via the mailing system. He responds very quickly, is friendly, and has very sound and high knowledgable advice. I have already shared this with my friend planning her own grand design.
guard Charlieguard Charlie
12:28 14 May 23
I emailed this company just on the off chance they could help me with new magnetic sliders for my patio door. They were not able to supply those but were so very helpful providing me with the name of a company who could. I am so very grateful at the great service. Dare say customers must be very happy. thank you so much.
Benjamin LewisBenjamin Lewis
10:06 04 May 23
Nick is very helpful indeed. Extremely knowledgeable on bifolds which was in relation to my query. Great website as well, some very useful articles. Particularly appreciated the article that lists all the major bifold options in order of their sightlines! Thank you!
P JonesP Jones
08:07 15 Apr 23
I asked Nick some questions about an installation we were considering and he replied within hours with some very useful suggestions that will probably lead us to using a different make and supplier. Thanks, Nick. Great work.
Nicholas WallNicholas Wall
13:18 02 Apr 23
Looking for fair and honest expert advice on all aspect of aluminium windows and doors? These guys will arm you with all the information you need to make the RIGHT choice in a highly complex, crowded marketplace. post a question and you will get a very quick professional answer you can rely on being based on fact. Thanks guys!
Giorgia SiriacoGiorgia Siriaco
16:25 21 Mar 23
After a lot of research to find doors that would meet our unusual size requirements and feeling increasingly uncertain about the best way to spend our small budget, I stumbled on the ATS website, and I'm so glad I did! I contacted ATS to request advice and Nick promptly replied with a wealth of information, providing us with options and relevant contact details. I only wish I'd found them sooner!
Carol NortonCarol Norton
10:01 17 Mar 23
I've been so confused about how to achieve the look I'm after, and going round in circles with various window/door companies, trying to get away from the huge chunks of plastic currently around my windows. I didn't expect an email to a company found through a Google search to really help - but I was desperate, so I tried. I'm SO glad I did. Finally I have clear explanations from ATS of where I've been going wrong, exactly what I'm looking for, and a list of local companies that might be able to provide it! The response has excelled my expectations and I feel as if I'm finally inching closer to a home with which I'll be happy and comfortable: thank you.
David NunnDavid Nunn
20:54 14 Mar 23
It is rare that I write reviews, however after my very positive communication with Nick - enquiring about suitable slim sash aluminium windows for my project, I felt that a review was definitely warranted. I can reinforce the many positive reviews posted so far, Nick was very quick to respond, providing comprehensive detail, with excellent independent advice.In summary, great service, thank you Nick.
Chantal AuerbachChantal Auerbach
13:04 09 Mar 23
Nick from Aluminium Trade Supply was incredibly helpful informative and pleasant to deal with. He responded quickly to emails and was very knowledgeable. Highly recommend being in touch with Nick if you are considering new aluminium windows or doors.
Lee JonesLee Jones
20:21 22 Feb 23
I dropped Nick at Aluminium Trade Supply an email re high security slim sightline bi-folds and their alternatives and he responded that quickly (and so comprehensively) that I felt bad I’d not paid him for his time!Nick Sir your product knowledge is outstanding and you are providing a level of service that goes wayyyy above and beyond expectations. I’ll definitely make sure I mention Aluminium Trade Supply to anyone I encounter looking for a fenestration solution 🙏🏼
G JG J
15:13 13 Feb 23
We are looking to replace some old UPVC patios doors with aluminium ones. The ATS website is a great source of advice in an area where clear information is sorely lacking. Having used the website, I then followed this up with a number of specific questions relating to our search, and Nick came back very quickly with clear, detailed and very useful advice.I have been very impressed with both the website and with Nick's advice. My only regret is that I didn't come across ATS before replacing various windows in 2021 - I'm sure it would have saved me a lot of grief and money! Thanks again Nick.
Azza McCabeAzza McCabe
17:47 01 Feb 23
So impressed with this company.Responded to my query quickly andgave valuable advice. Nick was extremely helpful and we were able to move forward with our project.
Adri LoloçiAdri Loloçi
11:21 08 Jan 23
Nick was super fast to respond and provided some great recommendations. I would recommend this website to anyone looking to find bifold or sliding aluminium doors.
Stephen HoustonStephen Houston
16:16 03 Jan 23
Looking for aluminium crittall style internal door and external patio French doors. Noted good reviews and thought would ask for advice. Comprehensive reply with excellent independent advice and lists of fitters who could provide products and installation. Great service.
Inga GeachInga Geach
08:25 21 Dec 22
Nick from Aluminium Trade Supply has been extremely helpful with navigating the jungle that is aluminium glazing for our upcoming extension project. His advice was prompt, detailed and always impartial. Very grateful for your input, thanks Nick!
Amanda BurtonAmanda Burton
10:54 16 Dec 22
Brilliant website and an excellent service. Nick provided not only detailed advice and supplier contacts, but highlighted the considerations of various products so I could make an informed choice. Our Sunvista minimal sliders were fitted this week and I couldn't be happier, stunning. Thanks once again for your advice and recommendations, invaluable!
Keith BarnesKeith Barnes
17:18 10 Dec 22
Very helpful advice given to my question, including the name of 3 different companies that i could try for the product being enquired about. Many thanks
Munim ChowdhuryMunim Chowdhury
11:45 13 Sep 22
Nick has been very helpful on signposting me to a number of partner organisations for steel/aluminium doors.
SUSAN wallaceSUSAN wallace
17:26 31 Aug 22
My experience with this firm was exceptionally good and this is notalways the case as a female, dipping a toe into technical waters.I was spoken too with courtesy and at a level that helped me consolidate what was needed .On top of that I was given a list of companies and places where I could obtain the type of product I needed.I could not thank them enough and would certainly go there again and reccommend others do too.
Paul SalterPaul Salter
22:39 22 Aug 22
Contacting Aluminium Trade Supply is like contacting the Oracle direct. Advice is always comprehensive and balanced. On multiple occasions they have provided me with options that fully meet our objectives. Many thanks.
Nick McCormackNick McCormack
20:25 14 Aug 22
Really helpful and useful came back to me on a Sunday with some invaluable information. Highly recommended.
ray addisonray addison
13:14 14 Aug 22
received a prompt reply to my query,and helpful information from ATS
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