Details, uses, advantages, and disadvantages of a bay window.

1. Bay Window

2. Introduction
• A bay window is a window space projecting outwards from the main walls of a
building and forming a bay in a room
• Bay window, window formed as the exterior expression of a bay within a structure,
a bay in this context being an interior recess made by the outward projection of a
wall. The purpose of a bay window is to admit more light than would a window
flush with the wall line
• A bay window is also called an oriel, or oriel window, when it projects from an
upper story and is supported by corbels
• Introduced in Gothic domestic architecture and found in almost all styles
afterwards, they are also associated historically with mansions of the early English
Renaissance

3. Applications
• Ventilation: Maximum natural light and
ventilation due to the larger surface area
• Security: Can come in handy to know who is
outside with the large panoramic view
• Window Seat: A great feature for a living
room or a bedroom, a window side seating
can be perfect
• Study: With so much natural light, this can
be a great fit for a small study area or a desk
• Aesthetics: These windows add a good look
to the exterior, making the elevation more
aesthetical
• Space: Adds more area into any room which
is always good to have

4. Construction
• The header is the top of the window and holds top and
sides together
• It is advisable for the window to not stick out more than 1m
• In ancient structures these windows were supported by
corbel at the bottom/ a series of corbels
• On an upper floor the bay window should be load bearing
• The most common angle for bay window construction is
135 degrees nut it can also go up to 160-170 degrees
• The chajja or the shade can be sloping or flat as per the
requirements
Construction of bay window in timber

5. Construction

6. Finishes
• Timber (mortise and tenon joint and tongue and groove)
• Aluminum (welded together)
• Rcc
• PVC/ UPVC

7. Types
Box Bay Window
Semi Hexagonal Bay Window Triangular Bay Window
Semi Octagonal Bay Window

8. Environmental Relevance
• Use of bay window in any structure increases
its energy efficiency, by letting in more natural
light and ventilation and limiting the use of
active methods
• Bay windows help a lot in cutting down the
energy costs and consumption
• Nowadays UPVC is a material much more in
use, UPVC bay windows provide a good seal
for both sound and heat
• They are also very durable and therefore do
not become a waste in any case of demolition
Maximum light and ventilation

9. Advantages
• The bay window design for homes is that they offer
better ventilation. Since they are crafted into
various angles, one can enjoy the breeze and light
from various directions
• The installation of a bay window at your home will
add some extra space and dimension to your
room, increasing the square footage of the area
• The addition of a bay window makes the interior
look better with a tucked in space
• They are durable and need less maintenance

10. Disadvantages
• The installation of a bay window is costly and requires skilled workmen
• Proper support needs to be given to a bay window, if it is on an upper floor the
structure needs to be load bearing
• Proper interior planning needs to be done
• Sometimes the window can let in a lot of sunlight and heat, when it is
undesirable. Example in hot summer days

11. Thank You
19001- Aditi Chourasia
19002- Anirudh Malpani
19003- Anubhab Ghosh
19004- Apurva Gupta