Facts and data

Internorm is an established family business. From the humble beginnings 95 years ago, producing its first UPVC windows, to today’s high-tech, innovative and contemporary design styles, Internorm is setting the standard for windows in Europe. The company’s focus on continuous technological development and innovation makes Internorm the pioneer within the windows market.

• MORE THAN 95 years of Internorm

  Internorm has been a family business for more than 95 years and has developed from a one-man locksmith's to the largest internationally active window brand.

• 30 Million of window and door units

  More than 30 million of window and door units have left our manufacturing sites in Traun, Sarleinsbach and Lannach. Many thanks to our customers for their trust!

• 100% Made in Austria

  We are manufacturing exclusively in Austria and are proud of our product quality.

• 2,000 employees

  Our employees are specialists acting with much passion, inventiveness and love for detail.

• 1,300 distribution partners in 21 countries

  Our high-quality products are exclusively sold via selected distribution partners who guarantee high service compentence.

• Pioneer in UPVC windows

• Total window system concept

• Leading expertise in highly thermally insulating and window systems for passive houses

• Security of an internationally leading market brand