VEKA 70 mm window profile system with multi-chamber geometry (5-chamber frame profile and 5-chambers sash profile) provides the highest energy efficiency.
Uw= up to 1.3 W/m2K.
External profile wall thickness (3 mm +/-0.2 mm tolerance) at the highest RAL quality standard ‘Class A’ (PN-EN 12608).
Two-level seal keeps out noise, cold, damp and draughts. Durable high-quality seal material. Black, grey or beige seals matching the profile colour for improved window aesthetics.