Europe's No. 1 window brand

Internorm is a strong family business. From the birth of the UPVC window to the production of timber/aluminium windows and to the high-tech and high-design innovations nowadays, Internorm is setting standards Europe-wide. Continuous technological further development and continual new innovations make us a pioneer in the brand. 

MORE THAN 85 YEARS OF INTERNORM

Internorm has been a family business for more than 85 years and has developed from a one-man locksmith's to the largest internationally active window brand.

22.5 MILLION OF WINDOW AND DOOR UNITS

More than 22.5 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.

1,800 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.

Our strengths

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