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Rationel windows and doors for Ireland

For over 30 years, Rationel Windows & Doors has been one of the leading window manufacturers in Ireland. With a tradition that started 60 years ago in Denmark, Rationel has constantly improved techniques and methods, so that we have both the product and expertise to meet today's demanding standards for windows and doors. Design, quality, performance, energy efficiency and security are just some of the considerations needed when choosing your windows, all of which are to the fore in the Rationel range of products.

Why choose Rationel:

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Available in Timber & Alu Clad
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Double or Triple glazed
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Modern or Traditional Designs
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Perfect for Passive Houses
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Fully Customised Functions
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All windows & doors made to measure

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Our guarantee for quality

Uncompromising quality characterises all Rationel windows and doors. It is our guarantee to you that the durability of Rationel windows and doors are among the best on the Danish marke.

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Minimum maintenance

On our Aluclad (timber / aluminium) window the outside of the window is protected with an alumiunm cladding. If you choose a timber/aluminium window then you can look forward to minimum maintenance.

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Save the energy

You are guaranteed to keep in the heat and save on energy with energy-efficient windows from Rationel. You will get the optimal solution with our PREMIUM version, which sets the standard for energy optimization.

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Security

Here at Rational we want to make sure that you sleep peacefully at night knowing that your home is safe from intruders. Rationel windows and doors are tested and marked according to several national and European standards, including ’Secured by Design’.

FIND THE NEAREST SHOWROOM

Explore our quality windows and doors in one of our showrooms. Find the one nearest to you.

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