Sidelight

Definition

A sidelight is a tall, narrow window alongside a door.

Purpose

The purpose of a sidelight is to provide additional natural light and visibility to the interior space, enhancing the aesthetic appeal and functionality of entryways.

Examples of Use

• Residential front doors often feature sidelights to brighten the foyer and provide a welcoming appearance.
• Commercial buildings use sidelights to enhance the entry experience and improve natural lighting in lobbies.
• Sidelights are incorporated into patio doors to increase the view and light entering the living area.

Related Terms

• Transom: A horizontal window above a door, often used in conjunction with sidelights.
• Mullion: A vertical or horizontal element that divides adjacent window units.
• Glazing: The installation of glass in windows or doors.

Notes

Sidelights can be fixed or operable, and are available in various styles and glazing options to match the design and security needs of the building.

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