Casement windows are a type of window that consists of a frame and a sash that is hinged at the side and swings open. They are typically made of various materials including wood, vinyl, aluminum, or fiberglass. The frame and sash are designed to provide a tight seal when closed, which helps to prevent air and water infiltration. The opening mechanism of casement windows is typically operated by a crank or lever, which engages a system of gears or a simple arm to pivot the sash open. Casement windows are known for their energy efficiency and ventilation capabilities due to their ability to create a full opening and a tight seal when closed.

The evolution of casement windows can be traced back to the Tudor period in 16th century England, where they were first used and made of leaded glass. During the Georgian and Victorian periods, they became more popular and were often made with wooden frames and multiple panes of glass. In the early 20th century, steel frames were introduced, allowing for larger and more expansive window designs. Today, casement windows continue to be a popular choice for homeowners and architects, offering both functionality and aesthetic appeal, with advancements in energy-efficient technology to reduce heating and cooling costs.

Do casement windows swing inward or outward?

Casement windows can open either in or out, depending on the preference and needs of the homeowner or building design. Inward-opening casement windows swing into the room, while outward-opening casement windows swing outward. Outward-opening casement windows are more common in areas with heavy rainfall and where window screens are frequently used. Inward-opening casement windows are typically used in areas where space is limited, such as in small rooms or where there are obstacles outside the window that would interfere with outward-opening windows.

How long do casement windows last?

The lifespan of casement windows can vary depending on factors such as the quality of materials, maintenance, and exposure to weather. Typically, well-maintained casement windows can last 20-30 years, while high-quality windows made with durable materials can last up to 50 years or more with proper care.

Why are casement windows limited in their size?

Casement windows can be limited in size due to their opening mechanism. Because casement windows open outward, the size of the window sash must be limited to a certain width to ensure that it can be easily opened and closed with the available hardware. The weight of larger window sashes can also be a limiting factor for casement windows, as it can strain the hinges and other hardware, leading to potential performance issues. Additionally, the size of the window frame may also be a limiting factor, as larger frames may require more structural support to ensure their stability and strength.

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Casement Windows Guides
Browse through our curated Casement Windows Guides for additional categorizations, tips, details, variations, styles, and histories of Casement Windows. Guides provide additional insights into the unique properties and shared relationships between elements.
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1’2”-8' | 35.6-243.8 cm
1’2"-3'5" | 35.6-104.1 cm
5” | 12.7 cm
Casement Window - Arch Head
243.800
104.100
12.700
30
https://p3d.in/e/pnqjF
GUIDE
3D
Casement Window - Arch HeadPerspective view of a 3D model of a Casement Window (Arch Head)Perspective view of a 3D model of a Casement Window (Arch Head)
1’2”-8' | 35.6-243.8 cm
1’2"-3'5" | 35.6-104.1 cm
5” | 12.7 cm
Casement Window - Arch Head, Partial
243.800
104.100
12.700
30
https://p3d.in/e/KntSo
GUIDE
3D
Casement Window - Arch Head, PartialView of a Casement Window (Arch Head, Partial) in 3D available for downloadView of a Casement Window (Arch Head, Partial) in 3D available for download
1’8”-8’ | 50.8-243.8 cm
1’2"-3'5" | 35.6-104.1 cm
5” | 12.7 cm
Casement Window - Pentagon
243.800
104.100
12.700
250
https://p3d.in/e/pGIHt
GUIDE
3D
Casement Window - Pentagon3D model of a Casement Window (Pentagon) viewed in perspective3D model of a Casement Window (Pentagon) viewed in perspective
1’2”-2’6” | 35.6-76.2 cm
1’6”-4’ | 45.7-121.9 cm
5” | 12.7 cm
Casement Window - Rectangle, Horizontal
76.200
121.900
12.700
1200
https://p3d.in/e/lWSpw
GUIDE
3D
Casement Window - Rectangle, HorizontalPerspective view of a 3D model of a Casement Window (Rectangle, Horizontal)Perspective view of a 3D model of a Casement Window (Rectangle, Horizontal)
1’9”-6’6” | 53.3-198.1 cm
1’6”-3’ | 45.7-91.4 cm
5” | 12.7 cm
Casement Window - Rectangle, Vertical
198.100
91.400
12.700
1200
https://p3d.in/e/qhI84
GUIDE
3D
Casement Window - Rectangle, VerticalView of a Casement Window (Rectangle, Vertical) in 3D available for downloadView of a Casement Window (Rectangle, Vertical) in 3D available for download
2’3”-8’ | 68.6-243.8 cm
1’6”-3'5" | 45.7-104.1 cm
5” | 12.7 cm
Casement Window - Springline
243.800
104.100
12.700
100
https://p3d.in/e/Fui4d
GUIDE
3D
Casement Window - Springline3D model of a Casement Window (Springline) viewed in perspective3D model of a Casement Window (Springline) viewed in perspective
2’3”-8’ | 68.6-243.8 cm
1’2"-3'5" | 35.6-104.1 cm
5” | 12.7 cm
Casement Window - Springline, Partial
243.800
104.100
12.700
100
https://p3d.in/e/fqPZ7
GUIDE
3D
Casement Window - Springline, PartialView of a Casement Window (Springline, Partial) in 3D available for downloadView of a Casement Window (Springline, Partial) in 3D available for download
1’6”-3’6” | 45.7-106.7 cm
1’6”-3’6” | 45.7-106.7 cm
5” | 12.7 cm
Casement Window - Square
106.700
106.700
12.700
3100
https://p3d.in/e/secAF
GUIDE
3D
Casement Window - Square3D model of a Casement Window (Square) viewed in perspective3D model of a Casement Window (Square) viewed in perspective
1’2”-8' | 35.6-243.8 cm
1’2"-3'5" | 35.6-104.1 cm
5” | 12.7 cm
Casement Window - Trapezoid
243.800
104.100
12.700
710
https://p3d.in/e/33wJ6
GUIDE
3D
Casement Window - TrapezoidPerspective view of a 3D model of a Casement Window (Trapezoid)Perspective view of a 3D model of a Casement Window (Trapezoid)
Casement Window - Trapezoid
Style and size comparison drawing of the Casement Window (Trapezoid) compared to other size configurations

Trapezoid Casement Windows are a type of window with a trapezoidal shape that operates on a hinge mechanism. They can be opened and closed by a single sash, which swings outward to provide ventilation. Trapezoid casement windows are commonly found in contemporary or modern architecture, where their distinctive shape and angular lines add a unique visual interest to a building.

These windows can be made from a variety of materials, including wood, vinyl, aluminum, and fiberglass, and can be customized with various finishes and hardware options. The trapezoidal shape of these windows provides a striking asymmetry that can be used to create a sense of dynamism and movement in a space.

The Casement Window (Trapezoid) is available in a range of sizes with widths between 1’2"-3'5" (35.6-104.1 cm), heights ranging from 1’2”-8' (35.6-243.8 cm), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of the Casement Window (Trapezoid) viewed from the front, plan, and side
Trapezoid Casement Windows are a type of window with a trapezoidal shape that operates on a hinge mechanism. They can be opened and closed by a single sash, which swings outward to provide ventilation. Trapezoid casement windows are commonly found in contemporary or modern architecture.

The Casement Window (Trapezoid) is available in a range of sizes with widths between 1’2"-3'5" (35.6-104.1 cm), heights ranging from 1’2”-8' (35.6-243.8 cm), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of the Casement Window (Trapezoid) viewed from the front, plan, and side
Casement Window - Trapezoid
Height:
1’2”-8' | 35.6-243.8 cm
Width:
1’2"-3'5" | 35.6-104.1 cm
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

Casement Window (Trapezoid) front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Casement Window - Pentagon
Comparison drawing of the Casement Window (Pentagon) compared to the larger size configurations

A pentagon casement window is a type of window that's shaped like a five-sided polygon. It opens on a hinge and can be opened and closed using a single sash. Pentagonal casement windows are often used in modern or contemporary architecture, where they provide a unique design feature that stands out from more traditional window shapes.

These windows can be made from different materials such as wood, vinyl, aluminum, or fiberglass and can be customized with a variety of finishes and hardware options. The pentagonal shape of these windows provides a modern and eye-catching look, and can create a sense of visual interest and playfulness in a space.

The Casement Window (Pentagon) is available in a range of sizes with widths between 1’2"-3'5" (35.6-104.1 cm), heights ranging from 1’8”-8’ (50.8-243.8 cm), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of the Casement Window (Pentagon) in front, side and top views
A pentagon casement window is a type of window that's shaped like a five-sided polygon. It opens on a hinge and can be opened and closed using a single sash. Pentagonal casement windows are often used in modern or contemporary architecture, where they provide a unique design.

The Casement Window (Pentagon) is available in a range of sizes with widths between 1’2"-3'5" (35.6-104.1 cm), heights ranging from 1’8”-8’ (50.8-243.8 cm), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of the Casement Window (Pentagon) in front, side and top views
Casement Window - Pentagon
Height:
1’8”-8’ | 50.8-243.8 cm
Width:
1’2"-3'5" | 35.6-104.1 cm
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

Casement Window (Pentagon) front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Casement Window - Rectangle, Horizontal
Group of illustrations of the Casement Window (Rectangle, Horizontal) in front views with different sizes

Horizontal rectangle casement windows are a type of casement window that features a rectangular shape that opens horizontally on a hinge. They typically have a single sash or panel that swings outwards, either from the top or bottom, to allow for ventilation. These windows are popular in contemporary and modern architecture, and are often found in homes with minimalist or industrial design styles.

They can be made from a variety of materials, including wood, vinyl, aluminum, and fiberglass, and can be customized with various finishes and hardware options. The horizontal orientation of these windows allows for an unobstructed view and abundant natural light.

The Casement Window (Rectangle, Horizontal) is available in a range of sizes with widths between 1’6”-4’ (45.7-121.9 cm), heights ranging from 1’2”-2’6” ( 35.6-76.2 cm), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of the Casement Window (Rectangle, Horizontal) upward opening
Horizontal rectangle casement windows are a type of casement window that features a rectangular shape that opens horizontally on a hinge. They typically have a single sash or panel that swings outwards, either from the top or bottom, to allow for ventilation.

The Casement Window (Rectangle, Horizontal) is available in a range of sizes with widths between 1’6”-4’ (45.7-121.9 cm), heights ranging from 1’2”-2’6” ( 35.6-76.2 cm), and an overall sill depth of 5” (12.7 cm).

Set of scaled dimensioned drawings of the Casement Window (Rectangle, Horizontal) upward opening
Casement Window - Rectangle, Horizontal
Height:
1’2”-2’6” | 35.6-76.2 cm
Width:
1’6”-4’ | 45.7-121.9 cm
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

Casement Window (Rectangle, Horizontal) front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Casement Window - Springline
Comparison drawing of the Casement Window (Springline) compared to the larger size configurations

Springline Casement Windows are a type of window that is defined by being topped with a circular arch. They operate on a hinge mechanism and can be opened and closed by a single sash. Springline casement windows are typically used in traditional or historical architecture, where their arched shape and elegant design add a sense of grandeur to a building.

These windows can be made from a variety of materials, including wood, vinyl, aluminum, and fiberglass, and can be customized with various finishes and hardware options. The springline shape of these windows can provide a graceful and refined aesthetic that enhances the overall appearance of a space.

The Casement Window (Springline) is available in a range of sizes with widths between 1’6”-3'5" (45.7-104.1 cm), heights ranging from 2’3”-8’ (68.6-243.8 cm), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of the Casement Window (Springline) in front, side and top views
Springline Casement Windows are a type of window that is defined by being topped with a circular arch. They operate on a hinge mechanism and can be opened and closed by a single sash. Springline casement windows are typically used in traditional or historical architecture.

The Casement Window (Springline) is available in a range of sizes with widths between 1’6”-3'5" (45.7-104.1 cm), heights ranging from 2’3”-8’ (68.6-243.8 cm), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of the Casement Window (Springline) in front, side and top views
Casement Window - Springline
Height:
2’3”-8’ | 68.6-243.8 cm
Width:
1’6”-3'5" | 45.7-104.1 cm
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

Casement Window (Springline) front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

Casement Window - Square
Comparison drawing of the Casement Window (Square) compared to the larger size configurations

Square casement windows are a type of window that features a square shape and operates on a hinge mechanism. They can be opened and closed by a single sash, which swings outward to provide ventilation. These windows are often used in contemporary or minimalist architecture, where their simple design and clean lines complement the overall aesthetic.

Square casement windows can be constructed from various materials, including wood, vinyl, aluminum, and fiberglass, and can be customized with different finishes and hardware options. The square shape of these windows allows for an equal amount of natural light to enter from all sides, which can provide a sense of balance and harmony to a space.

The Casement Window (Square) is available in a range of sizes with widths between 1’6”-3’6” (45.7-106.7 cm), heights ranging from 1’6”-3’6” (45.7-106.7 cm), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of the Casement Window (Square) in front, side and top views
Square casement windows are a type of window that features a square shape and operates on a hinge mechanism. They can be opened and closed by a single sash, which swings outward to provide ventilation. These windows are often used in contemporary or minimalist architecture.

The Casement Window (Square) is available in a range of sizes with widths between 1’6”-3’6” (45.7-106.7 cm), heights ranging from 1’6”-3’6” (45.7-106.7 cm), and an overall sill depth of 5” (12.7 cm).

Scaled set of drawings of the Casement Window (Square) in front, side and top views
Casement Window - Square
Height:
1’6”-3’6” | 45.7-106.7 cm
Width:
1’6”-3’6” | 45.7-106.7 cm
Length:
Depth:
5” | 12.7 cm
Weight:
Area:
Materials
Wood, aluminum, insulating glass

Drawings include:

Casement Window (Square) front elevation (various sizes), side view, plan views

Details & Downloads

Downloads

2D Downloads

3D Downloads

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