FIXED WINDOW Fixed Windows are fixed to the wall without any closing or opening operation. Fixed windows serve the purpose to transmit light into the room. DOUBLE HUNG WINDOW Double-Hung windows have two operating sash that move up and down allowing for ventilation on the top, bottom or both. Single-Hung windows allow ventilation through a single operable lower sash. SLIDING WINDOW Sliding windows are horizontal, with sashes that slide back and forth rather than up and down like more traditional windows. They are essentially double hung windows turned on their side PIVOTED WINDOW Pivoting windows are a type of window with sashes that can rotate 90°-180° around a horizontal or vertical axis usually located on or near the center of the sash LOUVERED WINDOWS Louvered Windows are similar to louvered doors. These windows provide ventilation without any outside vision. CASEMENT WINDOW Casement windows are hinged on the side and crank open outward to the left or right allowing for full top to bottom ventilation. METAL WINDOWS Metal windows in old buildings are principally made from one of three materials: wrought iron, cast iron or mild steel. CONRNER WINDOW A corner window is a single unit comprised of two or more sashes that meet at a corner and span both sides of a building. DORMER WINDOW A dormer is a roofed structure, often containing a window, that projects vertically beyond the plane of a pitched roof. LANTERN WINDOW They are basically an arrangement of joined glass panes that form a type of “glass ceiling” in a space VENTILATOR WINDOW A window ventilator is a passive device which ensures natural flow of fresh air through the otherwise airtight window frames. SASH WIDOW A sash window or hung sash window is made of one or more movable panels, or "sashes". The individual sashes are traditionally paned windows, but can now contain an individual sheet of glass. BAY WINDOW A bay window built to project outward from an outside wall. CLERESTORY WINDOW A clerestory window is a large window or series of small windows along the top of a structure's wall, usually at or near the roof line. GABLE WINDOW The gable window sits at the end of a pitched roof on the side of the house with a flat surface to allow natural light into the room. SKYLIGHT WINDOW a window in the roof of a house