Threshold, Door

Definition

A threshold, door is a beveled piece of floor trim over which a door swings.

Purpose

The purpose of a door threshold is to create a smooth transition between different floor levels or types and to seal the gap beneath a door. It helps prevent drafts, dust, and moisture from entering through the door bottom and provides a finished look to the doorway.

Examples of Use

1. Exterior Doors: Door thresholds are commonly used at the base of exterior doors to prevent water and air from entering the home.
2. Interior Transitions: In homes, thresholds are used to transition between different types of flooring, such as from a hardwood floor to a carpeted room.
3. Accessibility: Thresholds can be designed to provide smooth transitions for wheelchair accessibility, ensuring compliance with ADA standards.

Related Terms

• Saddle: Another term for a threshold, particularly in the context of doorways.
• Weatherstripping: Material used to seal gaps around doors and windows to prevent air leaks.
• Door Sweep: A device attached to the bottom of a door to seal the gap between the door and the threshold.

Notes

• Materials: Door thresholds can be made from various materials, including wood, metal, and composite materials, each offering different levels of durability and appearance.
• Installation: Proper installation is crucial to ensure the threshold provides an effective seal and a smooth transition.