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.
The only real disadvantage of steel fences is that they are available in a relatively limited range of styles. That being said, the best fence installation companies will typically still be able to offer a wide range of ornamental styles and varieties to choose from.