What Depth Should The Window Sill Be?
What Depth Should The Window Sill Be? We recommend that a window sill be 3-4 cm longer than the width of the window (for example window width 100 cm, window sill width 103-104 cm). The external window sill should extend 3-4 cm above the facade, and the internal window sill should extend 2-3 cm above […]