Weatherstrip

Definition

A Weatherstrip is a ribbon of resilient material used to reduce air infiltration through the crack around a sash or door.

Purpose

The purpose of a weatherstrip is to seal gaps around windows and doors, reducing drafts, improving energy efficiency, and enhancing indoor comfort by preventing air and moisture infiltration.

Examples of Use

• Windows: Sealing the gaps around window sashes to prevent drafts.
• Doors: Installing weatherstrips around door frames to reduce air leakage.
• Garage Doors: Applying weatherstrips to seal gaps and keep out dust and pests.

Related Terms

• Weather Seal: A general term for materials used to seal gaps and prevent air and water infiltration.
• Caulk: A flexible material used to seal joints and gaps in buildings.
• Insulation: Material used to reduce heat transfer and improve energy efficiency in buildings.

Notes

Weatherstrips come in various materials, including rubber, foam, and felt. Proper installation is essential to ensure their effectiveness in sealing gaps and improving energy efficiency.