Types of Windows

There are various types of windows used in the construction of houses, buildings, offices, etc.

A window is defined as vented barrier secured in a wall opening to serve one or more of the functions viz. natural light, natural ventilation and vision.

The windows provide spaces with natural light, also gives more information to the outside world, time, weather, surroundings, etc.

Function of different types of windows:

  • To admit natural light in the building.
  • To admit air in the building.
  • Also, to give a view to the outside.
  • The window provides insulation against heat loss and in some cases against sound.
  • Some windows are also required to give a measure of resistance to fire.

Different types of windows in civil engineering:

Paneled window:

This type of window has a structure of vertical member called style and horizontal members are called rails that are grounded along the inner edges of the frame from which panels are obtained.

The panels are made of wood, plywood, and block boards and even glasses.


Such windows may be fully paneled, partially paneled and partially glazed or fully glazed.

Glazed windows are usually provided where additional light is required to enter the room through the door, or where visibility of the interior of the room from the adjacent room is required.

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Fixed Window:

These windows are offered for the purpose of admitting light and offering vision within the room.

The window consists of a window frame to which shutters are fastened; no rebates are provided to the frame, the shutters are totally glazed.

These are common-types of windows usually provided in buildings, the construction of the casement window is just similar to-door.

The window has a frame which is rebated to receive the shutters.

The shutter consists of styles, top rails, backside rails and intermediate rails, thus dividing it into panels.

The panels might both be glazed or unglazed, partly glazed and partly unglazed.

It should be noted than the side-hinged Opening part of window consisting of glass planes or panels known as easement and windows made of these parts are called casement windows.


Double bung window:

The pair of shutters are arranged on top of each other which can slide vertically within the provided grooves.

A pair of metal weights is provided for each shutter attached to a cord or chain above a shutter.

This window can be used to control ventilation.

Sliding window:

In this type of window, shutters run on roller bearings and can slide horizontally or vertically.

Such windows are provided in trains, buses, ships and bank counters.

Pivoted windows types:

The shutter is pivoted to a window frame which rotates vertically or horizontally.

Louvred window:

Such windows are provided for ventilation, they do not allow any external vision.

The shutter consists of a top and bottom rail, which are embossed to receive the Louvre.

Lovers for runway rainwater are usually fixed on a 45 ° slope downward on the outer side.

Occasionally Venetian shutters are provided in which the louvre can be opened or closed, known as the Venetian blind.

This type of windows are provided in WC and bathrooms.

Metal window:

Metal windows made of mild steel are becoming popular in private and public buildings due to their high durability, strength, lower cost and better looking.

However, windows fabricated from different metals such as aluminium, bronze, stainless steel, etc., are also used for buildings where an excessive degree of magnificence finishing is required.

Aluminum windows are also becoming popular for domestic building as they are corrosion resistant, durable and require less maintenance and painting.

 In modern practice, steel windows are used extensively because they are the cheapest.

Mild steel sections, used to manufacture metal windows, are manufactured in a wide range of standard sizes.

Commonly used sections are angle section, Z section, T section and channel section.

The metal frame can be fixed directly to the wall, or it can be fixed to a wooden frame.

Bay window:

This type of window is to be provided for obtaining light and Ventilation from two adjoining sides.

These windows project outside of external walls of a room.

Corner window:

The window provided in the corner of a room holds two faces in two vertical directions.

Due to this, light and air are recruited from two directions.

Dormer window:

The vertical window provided on the sloping roof for the airflow and lighting to the enclosed house under the roof.

Gable window:

The vertical window provided within the gable finish pitched roof.

Skylight windows types:

Such a window is usually placed on a sloping roof to get light inside the house.

The window is projected above the top sloping surface and run parallel to the sloping surface.

In such a window, the common rafters are trimmed and the skylight is mounted on a curb frame.

The area around this window is waterproofed by lead flashing.

Circular window:

This type of window has a circular shape, it is either fixed in the wall or pivoted on the central axis.

These windows can be opened and closed with the help of two wires.

Circular windows are commonly used in elevated ceilings, factories, barracks, bungalows, roof ceilings for light and air penetration.

The circular pivot windows are fully reversible which makes it easier to clean the inside when it is in a completely reversed position.

Mosquito proof window:

In this type of window, a wire gauge or wire net is fixed to the exterior of the window and the main shutter of the window is opened inside.

The main shutters of the window are fixed with the help of parliamentary hinges.

The shutter opening is against the wall, therefore there is no obstruction due to the parliamentary hinges.

Since these windows are fixed with wire-gauze or wire mesh, they are also called wire-mesh windows.

Curtain wall window:

It is a more modern and advanced type of window curtain wall is the outer covering of a constructing in which the outside walls are non-structural, however only preserve out the climate.

Hence a non-load bearing exterior wall is called as curtain wall and the window provided in different materials in the method of setting up a separate area in the curtain wall is known as curtain wall window.

Depending upon the field installation methods, the curtain wall windows are classified as

(i) Stick system: window walls are installed piece by piece.

(ii) Mullion and panel system: curtain window wall in which vertical members called as mullions are first erected and then, wall units usually incorporating unglazed windows.

(iii) Panel systems: It consists of horizontal and vertical members.

Also, read 1. Types of Doors 2. Components of Building 3. Types of Structures

Types of Windows FAQ:

What are old windows called?

A sash window or hung sash window is made up of one or more movable panels, or “sash”.

What types of Windows are best?

Wood double-hung.

Which type of window is best for home?

Casement windows.

What is a window frame?

A window frame is a framework that surrounds and supports the entire window system.

Conclusion for types of windows:

There are quite different types of windows to choose from and each of them operates in slightly different ways.


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