What Are Casement Windows - What to Know Before Buying

What Are Casement Windows - What to Know Before Buying

January 8, 2024
By:
Martin Whitmore, President of US Window & Door
Vinyl Casement Windows

Casement windows have become a preferred choice for many homeowners, merging aesthetic elegance with functional design. These windows, known for their clean lines and simple operation, fit seamlessly into various architectural styles. They offer distinct advantages regarding ventilation, view, and energy efficiency. Casement windows present a solution that balances style with practicality for those considering window options, whether for a new build or an upgrade to an existing space. A key aspect of their popularity lies in their adaptability. Casement windows suit traditional homes and contemporary spaces, making them a versatile choice for a range of design preferences. Furthermore, their ease of operation and maintenance adds to their appeal, especially when window access is challenging.

What Are Casement Windows?

Casement windows are characterized by side-hinged sashes that open outward, typically operated by a crank, handle, or lever. This design allows maximum ventilation as the entire window can open, unlike sliding or double-hung windows. The ability to fully open also contributes to easier cleaning and maintenance, particularly for windows on higher floors. From a functional standpoint, these windows offer excellent energy efficiency. When closed, casement windows seal tightly against their frame, creating an effective barrier against air infiltration. This seal helps maintain a consistent indoor temperature, reducing the strain on heating and cooling systems and energy bills. In terms of security, casement windows provide an added layer of safety. The locking mechanism design, typically embedded within the frame, makes them more challenging to break into from the outside. This feature mainly benefits ground-level windows or those in more accessible home areas.

Material choices for casement windows include:

  • Fiberglass which offers strength and durability for long-lasting windows.
  • Vinyl which is known for its durability and low maintenance.
  • Aluminum which is preferred for its strength and modern look.

Each material brings unique benefits, allowing homeowners to choose based on aesthetic preference, maintenance considerations, and budget. Casement windows also offer a range of customization options. From the choice of glass, including double-glazing for better insulation, to various finishes and colors, homeowners can select features that best fit their home's style and personal preferences. Whether seeking a modern look with fiberglass frames or a sleek, contemporary design with slim aluminum profiles, casement windows can be tailored to meet specific design needs. This combination of functionality, efficiency, and customization makes casement windows a comprehensive choice for residential window installations.

Types of Casement Windows

Casement windows, celebrated for their versatility, come in various styles and materials, each offering unique benefits to fit different architectural and design needs.

Styles of Casement Windows


Styles of Casement Windows:

  • French Casement: These windows have two sashes that open from the center without a mullion, offering an unobstructed view and maximum ventilation.
  • Push-Out Casement: This style operates without a crank, allowing the window to open manually; ideal for those who prefer a more traditional operation method.
  • Top-Down Casement: Hinged at the bottom and opening from the top, these windows are perfect for maintaining privacy while allowing light and air to enter.

Materials Available for Milgard Casement Windows:

  • Vinyl: Vinyl windows are popular due to their durability, low maintenance, and energy efficiency. They resist moisture and do not require painting or staining, making them ideal for various climates.
  • Fiberglass: Fiberglass windows resist warping, fading, and cracking, which is how they became known for their strength and longevity. They offer excellent thermal performance and are generally low maintenance.
  • Aluminum: Aluminum windows offer a sleek, modern look with slim frames and larger glass areas. They are highly durable, lightweight, and corrosion-resistant, suitable for contemporary home designs.

Each material has distinct advantages, allowing homeowners to choose based on performance, aesthetic appeal, and budget considerations.

Benefits of Casement Windows

Casement windows are not just about aesthetics; they offer several practical advantages, making them a preferred choice for homeowners.

Energy Efficiency and Insulation:

Casement windows provide superior energy efficiency. When closed, the sash presses tightly against the frame, creating an airtight seal that minimizes air leakage and drafts. This feature, coupled with options like double-glazing and low-E coatings available in vinyl and fiberglass windows, enhances insulation, reduces energy consumption, and may lower utility bills.

Ease of Use and Accessibility:

The crank-operated mechanism makes casement windows easy to open and close, particularly for hard-to-reach areas. This user-friendly feature is ideal for all age groups, ensuring effortless operation.

Enhanced Ventilation:

The ability to open the window fully allows for maximum airflow, making casement windows excellent for natural ventilation. This feature is particularly beneficial in rooms that require frequent air exchange, like kitchens and bathrooms.

Security Features:

Casement windows offer enhanced security. The hook-shaped locks within the frame make it more difficult to pry open from the outside. Additionally, the materials used – vinyl, fiberglass, and aluminum – contribute to the window's overall strength and security.

Customization and Design Flexibility:

With various finishes, colors, and hardware options, casement windows are customizable to fit any home's aesthetic. Vinyl and fiberglass windows, in particular, offer a range of color choices and finishes, allowing homeowners to achieve the desired look, whether it's a traditional feel or a modern appearance. Combining these benefits makes casement windows a comprehensive solution for those seeking functionality, energy efficiency, and aesthetic flexibility in their window choices.

Considerations Before Buying Casement Windows

To ensure you make the right choice for your home when selecting casement windows, focus on the following decision points:


Considerations for Casement Windows


  • Measuring and Sizing: Accurate measurement is crucial for the perfect fit of casement windows. Considering the opening size and the space required for the window to open fully is essential.
  • Compatibility with Home Architecture: Casement windows suit various architectural styles. However, choosing a design that complements your home's overall aesthetic is essential. Consider the visual impact of different materials and finishes on your home's facade.
  • Local Climate Considerations: Your local climate plays a significant role in choosing the right window. For instance, selecting casement windows with solid and weather-resistant materials is advisable in areas prone to high winds or heavy rains.
  • Budget and Cost Factors: While casement windows are a long-term investment, understanding your budget constraints is essential. Consider the initial cost versus long-term energy bills, maintenance, and durability savings.

Installation and Maintenance

Proper installation and regular maintenance are critical to the longevity and performance of casement windows.

  • Installation Process: Professional installation is vital for optimal performance. Expert installers ensure correct fitting, crucial for energy efficiency and functionality. They should also offer warranties to repair or replace defective materials or improper installation. 
  • Maintenance Tips: Regular cleaning and occasional lubrication of the moving parts will keep your casement windows functioning smoothly. Vinyl, fiberglass, and aluminum windows require less maintenance than some materials; however, implementing the manufacturer's maintenance recommendations is still a good idea.
  • Common Issues and Troubleshooting: Be aware of common issues like wear and tear of the seals or difficulties in operation. Regular check-ups can help identify and rectify these problems early.

Customization and Design Options

Casement windows offer ample customization options to align with your home's design and taste.

  • Color and Finish: Choose from a range of colors and finishes to match or contrast with your home's exterior. Vinyl and fiberglass offer diverse color options, while aluminum frames provide a modern, sleek look.
  • Design Integration: Casement windows work with various design themes, from classic to contemporary. The choice of material and finish plays a significant role in achieving the desired aesthetic.

Choosing the Right Supplier

Selecting the right supplier is crucial for quality and satisfaction in your casement window investment.

  • Quality and Reputation: Partner with a reputable installation company like US Window & Door, known for their quality service and expertise in window installation. Explore a company's offerings and past projects online or by requesting referrals from the company.
  • Warranties and Customer Service: A reliable supplier will offer robust warranties and responsive customer service. Warranties provide peace of mind and assurance of support in case of any issues.
  • Testimonials and Reviews: Research customer testimonials and reviews to gauge previous clients' satisfaction. This can provide valuable insights into the quality of the supplier's service and products.
Casement Window Design


Elevating Your Home with Milgard Casement Windows

Casement windows are an excellent choice for homeowners looking for a blend of style, functionality, and energy efficiency. From versatile design options to practical benefits like enhanced ventilation and security, they offer a comprehensive solution for modern living spaces. When considering casement windows, consider factors like material choice, design preferences, and the expertise of your installation partner. US Window & Door, with their quality products and professional service, can guide you through this process, ensuring that your home benefits from the beauty and functionality of casement windows. Remember, the right casement windows can transform the look and feel of your home, making this investment both a functional and aesthetic upgrade.