- Second most efficient window. Casement windows are the second most energy-efficient, after fixed-pane windows. The window sash presses against the frame on closing, creating an airtight seal. This helps prevent air entry and leakage.
- Coextruded glazing bead makes water seepages nearly impossible
- Glass range from 5mm to 12mm and 19mm to 22mm
- It gives maximum sound reduction and water tightness because of double sealing mechanism