Tennengau Timberworks distributes high-quality European windows and exterior doors made by Gradwohl.
Why choose Gradwohl Windows & Doors?
Gradwohl is family owned small business that has been manufacturing windows & doors in Austria for almost 50 years, using the latest technologies.
All windows and doors are custom made to size at no extra charge.
Window frames types:
Available with a variety of glazing options such as:
Complete window U-value performance ratings from 1.1 W/m²K to as low as 0,61 W/m²K, meeting passive house window requirements.
All hardware is made by Maco and GU Gretsch, two of the highest quality window hardware manfacturers in Europe.
Available in a variety of colours including all standard RAL colours. Custom colours available by request.
Exterior doors by Gradwohl are available in traditional and modern designs. Custom designs are also possible.
Exterior doors feature multi point locking mechanism as the standard!