About Rationel


Rationel Vinduer Ltd is a fully owned subsidiary of Rationel Vinduer A/S, Denmark. In turn Rationel Vinduer A/S is part of the Dovista Group of companies owned by VKR Holdings which employs approximately 15,000 people in more than 40 countries worldwide.

Rationel Vinduer Ltd has been in Ireland for almost 30 years with showrooms in Dublin, Cork, Galway and Newry. Our head office is based on Walkinstown Avenue, Dublin 12 and our distribution centre is based in Edenderry Co. Offaly.

With 60 years of product development and production behind us, coupled with the extensive R&D of VKR Holdings (www.vkr-holdings.com) Rationel is one of Scandinavia's leading window producers. This reputation has been built on quality and innovation.

In our 30 years in Ireland we have completed many high profile housing and apartment projects. We have worked with most of the leading architects and construction companies throughout the country. Through our showroom network we work with private home owners and advise them as to the best use of our products in relation to their needs. Our experience can help to hopefully make the building process easier.

The History of Rationel

The History of Rationel

Rationel was founded

The History of Rationel

Rationel IE was established


The History of Rationel

Rationel UK was established


The History of Rationel

VKR Holding bought Rationel


The History of Rationel

The first Danish window producer with CE-tested products



The History of Rationel

Rationel wins the Danish Building Industry's Energy Award


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