Durability

Water tightness

To ensure that our windows and doors can meet future storms and rains, they are subjected to a simulated storm…

Wind resistance

In order to ensure that our window construction can withstand extreme wind forces, they are tested under high pressure. In…

Wear and tear

Windows and doors are opened and closed many thousand times during their lifetime. To ensure a long life, the structures…

Extended water tightness

To ensure Rationel AURA and Rationel AURAPLUS products can withstand even the worst rain and stormy weather, we expose the…

Secured by design

Security performance is a vital point to consider when selecting the right windows and doors for your home. Thanks to…