The main elements are the window frame, leaf, accessories and glass units:

Rama - fixed plastic window, which are mounted leaf.

Leaf - open window.

Glass packet - special hermetically sealed glass. Depending on how many glasses used distinguish between single (two glasses and a camera between them) and double (three glasses and two cameras) glazing.

Accessories - pens, catch, locking mechanisms and other devices for opening stvorok, their record in any situation or lock.

Batter - flat and wide profile that is used for finishing accurate lateral surfaces of window aperture.

Impost - profile boxes, an employee for the porch and stvorok naveski stvorok in three or more side windows.