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35 years’ experience of installing quality UPVC Windows, Doors, Conservatories, Orangeries and Roofline-Installation.

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What Is a Casement Window?

All the information you want, including details on how casement windows operate and the main advantages they offer for every kind of building.

What Is a Casement Window? Super Glazing

Because of its very adaptable construction, the casement windows is the most common and oldest types of windows in the United Kingdom.

Unless it’s a top-hung window, a casement window is hinged at the side and typically comes with one or two panels. There are many ways to customize casement windows beyond just having one, two, or more panels.

For a modern structure, casement windows come in aluminum, wood, or uPVC—the most common material.

Casement windows are our best-selling window design at Super Glazing and come in a variety of styles that will fit most types of houses.

What Are Casement Window?

A casement windows is a type of window hinged on one side, opening outward like a door. These windows, offered by Super Glazing, provide unobstructed views and excellent ventilation. They come in various styles, including single, double, and French casement windows.

Casement windows typically operate using a crank or lever mechanism. When opened, the entire sash swings outward, allowing for maximum airflow. They close tightly against the frame, creating a weather-tight seal with multiple locking points for enhanced energy efficiency.

  • Offers a classic look and can be painted or stained
  • Vinyl (uPVC): Popular for durability, low maintenance, and energy efficiency
  • Known for strength and modern esthetics
  • Combines materials for enhanced performance

The Different Types of Casement Windows

Super Glazing offers various types of casement windows to suit different architectural needs and preferences.

Side-Hung Casement

These windows open outwards like a door, providing maximum ventilation and unobstructed views. They’re easy to clean and operate with a crank or handle.

Top-Hung or Awning Window

Hinged at the top, these windows open from the bottom, creating an overhang that shields against rain while allowing ventilation.

Bottom-Hung or Hopper Window

These windows are hinged at the bottom and open inwards from the top, ideal for areas requiring controlled airflow.

Flush Casement

These windows sit flush within the frame when closed, offering a sleek, elegant appearance suitable for both period and modern homes.

Fixed Casement

A casement window that doesn’t open. Usually part of a configuration that has window openers on either side. Popular in bay windows.

Benefits of Casement Windows

Improved Ventilation: Casement windows can open fully, allowing for maximum airflow and ventilation in a room. This can be particularly beneficial in warmer climates or for rooms.

Enhanced Energy Efficiency: Casement windows are known for their tight seals when closed, which can help to improve a home’s energy efficiency by reducing air leaks and drafts.

Versatile Design: Casement windows come in a variety of styles and can complement a wide range of architectural designs, from traditional to contemporary.

Increased Security: Casement windows typically feature sturdy locking mechanisms that can enhance the overall security.

What Is a Casement Window? Super Glazing

Choose the right window type for your home

Super Glazing 1000s of options to make your windows unique

Windows

What Is a Casement Picture Window?

A casement picture window is a unique type of window that combines a fixed, central pane with operable casement windows on either side. This design allows for a large, unobstructed central viewing area, while the operable casement windows on the sides provide ventilation and access.

Casement picture windows are often used in living rooms, dining rooms, or other spaces where a panoramic view is desired. The fixed central pane provides a clear, uninterrupted sight line, while the operable casement windows on the sides can be opened to allow for fresh air and natural cross-ventilation

What Is a Casement Window? Super Glazing

What Are the Different Parts of a Casement Window?

Window Frame and Sill

Super Glazing offers casement windows with frames made from various materials, including aluminum, uPVC, timber, and composite. The frame consists of the head (top), jambs (sides), and sill (bottom). The sill, often projecting outward, forms the window’s base.

Casement and Hinges

The casement is the movable panel holding the glass. It attaches to the frame with hinges, allowing it to swing outward. Hinges are crucial components, designed to support heavy loads and withstand numerous opening cycles.

Locking Mechanism

  • Multi-point locking systems
  • Yale Encloser Lock for enhanced security
  • Locking handles in various styles and finishes

Glazing Options

  • Double-pane glass with Low-E coatings and argon gas
  • Triple-pane options for improved insulation
  • Specialty glass for sound management or high altitudes

Glazing Options

Super Glazing Triple Glazed Windows installtaions

DOUBLE GLAZED WINDOWS

Our high-quality double glazed windows will keep your home warm, safe and quiet.

Double Glazing

TRIPLE GLAZED WINDOWS

Our triple glazed windows are our most energy-efficient, with an A++ energy rating.

Triple Glazing

Are Casement Windows the Best Type of Window?

Casement windows offer several advantages that make them a popular choice for many homeowners, but whether they are the “best” type of window depends on individual preferences and needs. Here are some factors to consider:

Advantages of Casement Windows:

  • Excellent ventilation and airflow
  • Versatile design that can complement various architectural styles
  • Energy-efficient due to their tight seals when closed
  • Easy to open and close with a crank or lever mechanism
  • Provide a clear, unobstructed view

Potential Drawbacks:

  • May require more space for the window to swing open
  • Can be more expensive than other window types
  • Maintenance may be more involved, as the window sash needs to be cleaned on both sides

Super Glazing Windows Styles

Super Glazing Casement windows installations

Casement Windows →

Our most energy-efficient window with highly-secure locking.

Bay Windows →

Add a sense of space and light with panoramic views.

Super Glazing Sash windows installations

Sash Windows →

Traditional styling in smooth or woodgrain finish.

Tilt & Turn Windows →

Easy cleaning and tilt for ventilation without compromising security.

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