2. Good sealing performance: aluminum doors and windows have high air tightness, water tightness, and sound insulation properties that are better than wooden doors and windows and steel doors and windows.
Since aluminum profiles generally do not tend to rust, there’s no reason as to why they shouldn’t be used as window frames. Windows are always exposed to environmental factors such as heavy rain, or high-temperature conditions. Aluminum window profiles won’t easily melt or even rust, thereby allowing window openings to be adjusted as freely as possible, even for long periods.