Fixed Window

Back to Glossary

Fixed Window

What is Fixed Window?

A window that cannot be opened and is designed solely to provide natural light and views while maintaining the building envelope.

Description

A fixed window is a window unit that cannot be opened and is designed solely to provide natural light, views, and visual connection to the outdoors while maintaining the integrity of the building envelope. These non-operable windows consist of glazing panels permanently mounted in frames without hinges, sashes, or operating hardware, creating a sealed barrier that prevents air infiltration while maximizing the glazed area for light transmission and visibility. Fixed windows are commonly used in residential, commercial, and institutional buildings where ventilation is not required from the window opening, and they offer advantages in terms of energy efficiency, security, weather resistance, and cost-effectiveness compared to operable window types.

The primary purposes of fixed windows include maximizing natural light penetration into interior spaces while minimizing energy loss, providing unobstructed views of outdoor environments and landscapes, creating visual connections between interior and exterior spaces, maintaining building envelope integrity with superior air and water sealing, offering enhanced security through elimination of operable components, reducing maintenance requirements compared to windows with moving parts, and providing cost-effective glazing solutions for applications where ventilation is not needed.

Types of fixed windows vary based on size, configuration, and architectural application, including picture windows that feature large, uninterrupted glazing areas for maximum views and light, clerestory windows positioned high on walls to provide natural light while maintaining privacy, ribbon windows that create continuous horizontal bands of glazing, floor-to-ceiling windows that maximize the connection between interior and exterior spaces, specialty shaped windows including circular, triangular, or custom geometric configurations, and curtain wall systems that incorporate fixed glazing panels as part of larger building envelope systems.

FAQs

  • What is a fixed window?

    A fixed window is a non-operable window that cannot be opened and is designed solely to provide natural light and views.

  • What are the advantages of fixed windows?

    Advantages include superior energy efficiency, lower cost, reduced maintenance, enhanced security, and improved weather resistance.

  • Where are fixed windows commonly used?

    They’re commonly used in living areas, commercial buildings, high-rises, and anywhere views and light are priorities but ventilation isn’t needed.

  • Can fixed windows be used in bedrooms?

    Building codes typically require operable windows or doors for emergency egress in bedrooms, limiting the use of fixed windows in these spaces.

  • What types of glazing are available for fixed windows?

    Options include single-pane, double-pane, triple-pane, low-E coatings, and specialty glass like tempered or laminated for safety.

  • How do fixed windows compare to operable windows for energy efficiency?

    Fixed windows typically offer superior energy efficiency due to better sealing and elimination of operating hardware gaps.

  • What maintenance do fixed windows require?

    Maintenance is minimal and includes periodic cleaning, sealant inspection, and checking for water infiltration or air leakage.

Fun Fact

Fun Fact: The largest fixed window ever installed was in the Burj Khalifa in Dubai, measuring over 100 feet tall. Fixed windows have been used since ancient times, with early examples found in Roman buildings using thin sheets of translucent stone before glass became widely available.

CSI Code

08 50 00

NAHB Code

850