Rationel Windows

Since 1954, Rationel have offered an excellent, solid, quality workmanship that has become synonymous with the brand. Based on their sound foundation, Rationel are today an international company with offices in Denmark, Ireland and the UK and you may well have a neighbour with a Rationel window.

Product Details

As manufacturers of premium quality, energy saving windows, comfort and security are of premium quality.  With a continued programme of development and research, their commitment to perfecting their products ensures that they always meet current statutory requirements, alongside market requirements for function and design, so you can be sure you are choosing a market leading product.

To find out more about the specific benefits that Rationel have to offer as well as the timber and alu-clad range that we offer, please navigate through the menu above.

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SHOWROOM DISPLAY


Our Heswall showroom has one of the largest window and door displays in the UK, if you are interested in Rationel windows and doors a visit to our showroom is well recommended. Below are some pictures of the Rationel products on display in our showroom.

Rationel french doors on display in our Heswall showroom.
Rationel french doors on display in our Heswall showroom.
Rationel glass door on display in our Heswall showroom.
Rationel glass door on display in our Heswall showroom.
Rationel Alu clad french door on display in our Heswall showroom.
Rationel Alu clad french door on display in our Heswall showroom.
Rationel windows and entrace door on display in our Heswall showroom.
Rationel windows and entrace door on display in our Heswall showroom.

WHY RATIONEL?

Rationel windows are constructed to a very high standard offering a long lasting product that will deliver great performance, security and weather tightness. To find out more information about what makes these windows so special, please navigate through the sections below.

 

Security

Security is one of the key factors to be considered when choosing windows and doors as they are the most commonly targeted entries of a break in. Rationel is ahead of the game in this area and have invested heavily in the development of their products' security. 


 

Sustainability

Rationel windows frames are constructed from timber which is considered to be the most sustainable material to manufacture window frames from. Rationel have been certified with the FSC global labelling scheme for sustainable wood and paper.


 

Energy Efficiency

Improving the energy efficiency of your window can greatly reduce your heating bills and improve the comfort of your home. Rationel windows are a great choice when looking for energy efficient windows as their alu-clad timber construction offers superb air tightness and when combined with the latest triple glazing glass can achieve very high U value, compatible even with strict Passive House standards.


 

Glazing Options

Rationel windows have a large range of optional glazing choices all designed to suit different requirements. Rationel have developed a range of glass technology including ENERGY, SECURE, OBSCURE, SAFETY, FACADE, SOUND and SOLAR.


 

 

Durability

Many products from the Rationel window range have been put through a range of durability test to ensure they can withstand the harshest weather. Rationel windows are tested against water tightness, wear and tear and weather tightness.

Shaped Windows

Rationel windows are extremely customisable perfect for those looking to achieve something bespoke. Rationel windows can be supplied in custom shapes on request.