Tennengau Timberworks distributes high-quality Austrian-made tilt-and-turn windows and exterior doors in Western Canada.
Windows by Gradwohl - Made in Austria
• solid wood frame
• wood frame with exterior aluminum clad
• insulated wood frame with exterior aluminum clad
• high-quality vinyl and
• vinyl with aluminum clad
Why choose Gradwohl Windows?
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.
• dual pane glass with Argon gas fill
• triple pane glass with Argon or Krypton gas fill
• variety of glass shading values (g-value from 50 to 63%).
• New! High solar gain triple glazing available (g-value 61%)
Available with a variety of glazing options such as:
Additional features:
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.
All glazing is ordered pressurized to the appropriate elevation above sea-level to guarantee long-lasting performance.
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Window frames types:
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