They can be used at places where the opening size of the window is very big. These will have various sliding tracks. It ca be configured for 4 , 5 or 6 tracks.

These windows are designed in such a way that they are airtight & water tight. Therefore ensuring that no water comes inside when the windows are closed in case water comes inside when the window is open a provision for water drainage is given such that the water is drained out.

These windows are duly reinforced with thick specially designed Steel for greater strength & Safety of the uPVC window.