To create an effective building envelope, all penetrations in the exterior shell must be well sealed. This is especially true around windows and doors. Poor air sealing around windows and doors can allow the uncontrolled movement of air to infiltrate and exit the building increasing energy costs, reducing comfort, and negatively impacting indoor air quality.

This learning unit will specifically look at the industry compliance standards in residential construction related to air sealing around doors, the best choice in air sealing products available today, and additional resources available to learn more about air sealing around windows and doors.

Learning Objectives

• Understand the importance of air sealing around doors
• List specific industry specifications related to air sealing around doors
• Understand common installation mistakes on exterior door installation
• Utilize additional resources related to best practices in air sealing and installing exterior doors