Alteca is Kowalski’s aluminum window line with a thermal break, flat modern exterior, and published Uw around 0.7 W/(m²K) for energy-efficient houses.
Kowalski Okna · European Windows
Alteca
Aluminum Alteca — Uw from about 0.7 W/(m²K).
Kowalski Okna · European Windows
Aluminum Alteca — Uw from about 0.7 W/(m²K).
Alteca is Kowalski’s aluminum window line with a thermal break, flat modern exterior, and published Uw around 0.7 W/(m²K) for energy-efficient houses.