A vented barrier provided in a wall opening to admit light and air into the structure and also to give outside view
Selection criteria for windows
Location of room
Size of room
Direction of wind
Climatic conditions
Utility of room
Architectural point of view
Fixed windows
Windows fixed to the wall without any closing or opening operation, generally provided to transmit light into the room
Sliding windows
Windows with movable shutters in the frame, the movement may be horizontal or vertical
Pivoted windows
Windows with shutters attached to the frame using pivots, allowing the shutters to oscillate horizontally or vertically
Double-hung windows
Windows with a pair of shutters attached to one frame, arranged one above the other, and able to slide vertically within the frame
Louvered windows
Windows with louvers made of wood, glass or metal, providing ventilation without outside vision, the louvers can be tilted using a cord and pulley system
Casement windows
Widely used windows with shutters attached to the frame and able to open and close like door shutters
Metal windows
Windows made of metals like mild steel, aluminum, bronze, stainless steel, providing strength and durability
Sash windows
Type of casement window with fully glazed panels divided by small timber members called sash bars or glazing bars
Corner windows
Windows provided at the corners of a room, with two faces in perpendicular directions, allowing light and air to enter from two different directions
Bay windows
Projected windows from the wall, increasing the area of opening and enabling more ventilation and light from outside, with different shapes like triangular, rectangular, or polygonal
Dormer windows
Windows provided for sloped roofs, projected from the sloping surface, providing ventilation and lighting to the room
Clerestory windows
Windows provided for rooms with greater ceiling height than other rooms, with shutters able to swing using a cord and pulley system
Lantern windows
Windows provided over flat roofs, projecting from the roof surface, to provide more light and air circulation to the interior rooms
Gable windows
Windows provided at the gable end of sloped roof buildings
Ventilators
Small windows provided at a greater height than regular windows, near the roof level, for the purpose of ventilation
Skylights
Windows provided on the top of sloped roofs, parallel to the sloping surface, to admit light into the rooms, can be opened when required