Durable and energy efficient! These characteristics, along with a strong focus on burglary protection, are among the distinctive qualities of Rationel products. With a tradition that started 60 years ago in Denmark, Rationel is synonymous with skilled design work and proud craftsmanship.

Established: 1954 – joined the VKR Group in 1999 and became part of the DOVISTA Group in 2004,
when DOVISTA was established
Products: Vertical windows and exterior doors made of wood and wood/aluminium
Main Markets: Denmark, the UK, and Ireland
Segments: New build and refurbishment
Channels: Builders merchants and DIY centers in DK. In the UK and Ireland
through distributors and building contractors