Choosing windows and doors | Why Rationel

Rationel was founded in 1954 in Denmark to focus on strong workmanship and innovation for modern window production.

Since its conception, Rationel has paved the way for made-to-measure window and door products, putting customers first and producing special, unique design features.

Today Rationel has an international presence across Denmark, England, Ireland and Poland, and continues to manufacture high quality windows and doors that are durable and designed to last.

Our product ranges

We have three key ranges which include:

Key features of the AURA ranges

RATIONEL AURA

Contemporary design
Timber frame
60-year life expectancy
Available in over 200 colours
Superior performance
Available in both double and triple glazing
Reduces sound pollution and low Uw-Values

RATIONEL AURAPLUS

Contemporary design
Aluminium clad timber frame
Low maintenance requirements
85-year life expectancy
Available in over 200 colours
Superior performance
Available in both double and triple glazing
Reduces sound pollution and lowers Uw-Values

Take a look at how this range has been used to enhance a stunning new build home in Aberdeenshire.

Key features of the FORMA ranges

RATIONEL FORMA

Traditional design
Timber frame
60-year life expectancy
Available in over 200 colours
Superior performance
Available in both double and triple glazing
Reduce sound pollution and low Uw-Values

RATIONEL FORMAPLUS

Traditional design
Aluminium clad timber frame
Low maintenance requirements
85-year life expectancy
Available in over 200 colours
Superior performance
Available in both double and triple glazing
Reduce sound pollution and lowers Uw-Values