The types of aluminium windows available:
Top hung window:
Horizontal sliding window:
These windows are windows that do not open it includes the aluminium frame and a pane of glass. Fixed windows are normally used for example in a board room, a window that you would open
This can be used internal and external in moderate weather conditions. It is light duty and it comes with a nylon lock. The sizes range from 900mm wide to 3.6mwide. The 500 series is also a multi sliding window.
2. Elite sliding
This would be used for outside as it is more weather resistant and better quality. It is heavy duty and it comes with a stainless steel locking system. The sizes range from 900mm wide to 4.8m wide. The elite sliding window is also a multi sliding window.