16 Types of Windows used in Buildings
READING TIME ONE MINUTE
There are different types of windows
used in building construction to provide ventilation, and view. The selection
of windows depends on many criteria.
A window is a vented barrier
provided in a wall opening to admit light and air into the structure and also
to give outside view. Windows also increases the beauty appearance of the
building.
Selection
Criteria for Windows
The selection of suitable windows in
a particular place should be dependent on the following factors.
- Location of room
- Size of room
- Direction of wind
- Climatic conditions
- Utility of room
- Architectural point of view
Based on the above factors we can
select a suitable window for our structures.
Types
of Windows used in Buildings
There are so many types of windows
are available based on their positions, materials, and functioning. Windows are
classified as follows.
- Fixed windows
- Sliding windows
- Pivoted windows
- Double-hung windows
- Louvered windows
- Casement windows
- Metal windows
- Sash windows
- Corner windows
- Bay windows
- Dormer windows
- Clerestory windows
- Lantern windows
- Gable windows
- Ventilators
- Skylights
1.
Fixed Windows
Fixed windows are fixed to the wall
without any closing or opening operation. In general, they are provided to
transmit the light into the room. Fully glazed shutters are fixed to the window
frame. The shutters provided are generally weatherproof.
2.
Sliding Windows
In this case, window shutters are
movable in the frame. The movement may be horizontal or vertical based on our
requirements. The movement of shutters is done by the provision of roller bearings.
Generally, this type of window is provided in buses, bank counters, shops,
etc..
3.
Pivoted Windows
In this type of windows, pivots are
provided to window frames. Pivot is a shaft which helps to oscillate the
shutter. No rebates are required for the frame. The swinging may either
horizontal or vertical based on the position of pivots.
4.
Double Hung Windows
Double hung windows consist of pair
of shutters attached to one frame. The shutters are arranged one above the
other. These two shutters can slide vertically with in the frame. So, we can
open the windows on top or at bottom to our required level.
To operate the double hung windows,
a chain or cord consisting metal weights is metal provided which is connected
over pulleys. So, by pulling the weights of cord the shutters can move
vertically. Then we can fix the windows at our required position of ventilation
or light etc..
5.
Louvered Windows
Louvered windows are similar to
louvered doors which are provided for the ventilation without any outside
vision. The louvers may be made of wood, glass or metal. Louvers can also be
folded by provision of cord over pulleys. We can maintain the slope of louvers
by tilting cord and lifting cord.
Recommended angle of inclination of
louvers is about 45o. The sloping of louvers is downward to the
outside to run-off the rain water. Generally, they are provided for bathrooms,
toilets and privacy places etc..
6.
Casement Windows
Casement windows are the widely used
and common windows nowadays. The shutters are attached to frame and these can
be opened and closed like door shutters. Rebates are provided to the frame to
receive the shutters. The panels of shutters may be single or multiple.
Sometimes wired mesh is provided to stop entering of fly’s.
7.
Metal Windows
Metal windows, generally mild steel
is used for making metal windows. These are very cheap and have more strength.
So, now days these are widely using especially for public buildings, private
building etc.
Some other metals like aluminum,
bronze, stainless steel etc. also used to make windows.
But they are costly compared to mild steel windows. For normal casement windows
also, metal shutters are provided to give strong support to the panels.
8.
Sash Windows
Sash window is type of casement
window, but in this case panels are fully glazed. It consists top, bottom and
intermediate rails. The space between the rails is divided into small panels by
mean of small timber members called sash bars or glazing bars.
9.
Corner Windows
As in the name itself corner windows
are provided at the corners of room. That means corner windows has two faces in
perpendicular directions. By providing this type of windows, light or air can
be entered into room in two different directions.
To provide this type of window
special lintel is provided in the wall. Corner windows will give aesthetic
appearance to the building.
10.
Bay Windows
Bay windows are projected windows
form wall which are provided to increase the area of opening, which enables
more ventilation and light form outside. The projection of bay windows are of
different shapes. It may be triangular or rectangular or polygonal etc. They
give beautiful
appearance to the structure.
11.
Dormer Windows
Dormer windows are provided for
sloped roofs. These are projected from the sloping surface as shown in below
image. They provide ventilation as well as lighting to the room. They also
enhance aesthetic sense of room.
12.
Clerestory Windows
If the rooms in a building are of
different ceiling heights, clerestory windows are provided for the room which
has greater ceiling height than the other rooms. The shutters able to swing with
the help of cord over pulleys. These also enhances the beauty of building.
13.
Lantern Windows
Lantern windows are provided for
over the flat roofs. The main purpose of this window is to provide the more
light and air circulation to the interior rooms. Generally, they are projected
from the roof surface so, we can close the roof surface when we required.
14.
Gable Windows
Gable windows are provided for
sloped roof buildings. These windows are provided at the gable end of sloped
roof so; they are called as gable windows. They also improve the appearance of
building.
15.
Ventilators
Ventilators are provided for the
purpose of ventilation in the room. They are provided at greater height than
windows nearer to roof level. It is in very small size. Horizontally pivoted
shutters are provided for ventilators. Sometimes shutter is replaced by wired
mesh, in this case sunshade is provided to prevent against rain water.
16.
Skylights
Skylights or generally provided on
the top of sloped roofs. To admit light into the rooms, sky lights are
provided. It is provided parallel to the sloping surface. Sky lights can be
opened when we required. Lead gutters are arranged to frame to make it as waterproof.
FAQs
1. What is a Window? What are the
major types of windows used in a building?
A window is a vented barrier
provided in a wall opening to admit light and air into the structure and also
to give outside view. Windows also increases the beauty appearance of the
building. There are so many types of windows are available based on their
positions, materials, and functioning. Windows are classified as Fixed
windows, Sliding windows, Pivoted windows, Double-hung
windows, Louvered windows, Casement windows, Metal
windows, Sash windows, Corner windows, Bay windows, Dormer
windows, Clerestory windows, Lantern windows, Gable
windows, Ventilators, and Skylights.
2. What are the factors affecting
the selection of windows?
The selection of suitable windows in
a particular place should be dependent on the following factors:
1. Location of room
2. Size of room
3. Direction of wind
4. Climatic conditions
5. Utility of room
6. Architectural point of view
What are skylights?
Skylights are generally provided on
the top of sloped roofs. To admit light into the rooms, sky lights are
provided. It is provided parallel to the sloping surface. Sky lights can be
opened when required. Lead gutters are arranged to frame to make
No comments:
Post a Comment