VEKA 82 mm window profile system with multi-chamber geometry (7-chamber frame profile and 6-chambers sash profile) provides the highest energy efficiency (from energy-efficient to passive buildings).
Uw= up to 0.75 W/m2K.
External profile wall thickness (3 mm +/-0.2 mm tolerance) at the highest RAL quality standard ‘Class A’ (PN-EN 12608).
Three-level seal (external, central and internal) keeps out noise, cold, damp and draughts. Central seal fixed to the frame. Durable high-quality seal material. Black, grey or beige seals matching the profile colour for improved window aesthetics.