Thermal insulation and heating cost savings
Good thermal insulation reduces heating costs in winter and acts as a heat shield in summer.
Our windows feature modern thermal insulation glazing with high insulation values for the window frames.
Well insulated all year round
High-performance glazing and high-quality frames are important for good thermal insulation and the comfort of your home. Even our basic window glazing features thermal insulation and thermally optimised glass spacer s.
The ideal Finstral windows for thermal insulation and heating cost savings
Top 90 Classic-line
With its classic lines and standard double glazing, Classic-line offers outstanding thermal insulation and an appealing, contemporary design.
Top 90 Nova-line KAB
Our economical PVC-aluminium solution: the frameless sash profile lets more light into your room. And, with its aluminium cladding, the window is more robust, easier to maintain and yet more individual.
This aluminium window has a modern and slender appearance: the frameless sash outline on the outside provides your living quarters with plenty of light. Nova-line also offers excellent heat insulation.