Rationel Windows and Doors

Rationel is a company with over sixty years of experience creating the well-known Danish window system. Rationel windows and doors are used extensively when the high performance windows and doors are essential to a building project or property renovation. 

Information about Rationel Windows and Doors

Rationel windows and doors stylish lounge, garden views

With over 350,000 windows installed every year around the world, Rationel windows and doors are crafted with a unique style and design, making them not only hugely popular with discerning homeowners but also architects and developers.  Only Rationel makes its bespoke Scandinavian products, and its network of approved installers professionally installs them. 

The Rationel windows and doors range comprises all wood windows and alu-timber or alu-clad windows and doors comprising wood inside and aluminium outside.  These ‘hybrid’ products are already well established in the market, providing some of the best insulation and energy efficiency of any window material. 

Using natural wood inside creates better insulation and acoustics.  The benefits of aluminium as a glazing material are already well-known.  For Rationel windows and doors, using aluminium provides many colour options, improved durability and extends the already exceptional service life of the product by up to sixty years. 

The benefits of Rationel Windows and Doors 

Excellent thermal performance, the desirable Danish design and the very long service are the key benefits of choosing Rationel aluminium windows and doors.  Whilst all quality window and door materials are built to last, only alu-clad windows are designed for the longest possible lifespan, with only minimal care and maintenance. 

As a result, Rationel windows and doors are the ideal choices for homeowners and the construction industry looking for premium windows, adding brand value to a building and when the window or door replacement is intended as a significant part of the project and an investment. Rationel is designed to last decades; they’re built for performance in every aspect of their construction, from material choice to installation.  Highly sustainable, Rationel materials use certified and approved woods, with care for the environment.

Why we provide Rationel for our residential and commercial customers

At C & A Window Systems, we specialise in only the best systems, with Reynaers Aluminium already established as a market-leading brand.  Providing Rationel windows and doors allows us to offer the alu-clad and alu-timber range of windows and doors because of greater consumer and architect awareness around better thermal performance, longer window service life and even better sustainability when choosing new doors and windows.  

C&A Window Systems – Suppliers and installers of premium Rationel Systems

C&A Windows Systems Ltd are approved suppliers and installers of the Rationel range of wood and alu-clad products, suitable for dwellings and commercial buildings. We offer the Rationel AURA and AURAPLUS as well as Rationel FORMA and FORMAPLUS. Contact us today and let us help you with your project, helping you get the best composite windows and doors.

Customise Your products

A personalised touch

Glass options

Contemporary designs that enhance security and privacy.

Integral Blinds

An attractive addition delivering privacy and shading when you need it.

Guarantees

Peace of mind starts when you get in touch and lasts for years.

steve arundellsteve arundell
13:43 02 Nov 23
Chris and Andy listen to what we wanted and their team then delivered in spades.Great company well worth the effort to contact.
ArBa InstallationsArBa Installations
22:23 20 Dec 22
Posting from the view of an Installations company, C & A have always been a pleasure to deal with. Their process is very thorough and products are top quality. We use them for all our commercial doors and would highly recommend all their products and them as a company.
Paul DillonPaul Dillon
14:17 23 Nov 22
Great service. Top products. Thank you. C&A
Alfie TonerAlfie Toner
13:43 21 Nov 22
Great company to deal withQuick quotesPleasant staffGreat productsGreat customer supportDefinitely recommend
RuanRuan
22:50 12 Jun 22
Couldn’t recommend this amazing company enough from start to finish the professionalism have been second to none. The quality of the work undertaken shows how much C&A take pride in there work. Thank You again
Gary WoodhatchGary Woodhatch
11:11 11 Mar 22
Have been dealing with Andy and Kim in the main at C&A windows for a few months now and the service overall has been great, quick quotes, lead-times inline with expectations and well presented and packaged goods. Great responsive aftersales assistance when called upon. Would recommend C&A for sure.
richard newellrichard newell
07:44 11 Mar 22
Always a pleasure to work with the people at c and a, very good communication throughout the process and most importantly the product is excellent.Highly recommended.
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Send us an email if you have any questions.

sales@candawindowsystems.co.uk

call us

Need to know more about our products? Call us, and a member of our sales team will help you.

01787 477976

visit us

Book an appointment to visit our showroom.  
8am – 5pm Monday – Friday

Unit 1, Lancaster Way
Earls Colne Business Park, Earls Colne, Colchester CO6 2NS

We are looking for new staff to join our team.