Calculating Attic Passive Ventilation Description Information guide describing how to calculate attic passive ventilation with example calculations.
Aerosol Sealing Building Enclosures, Single and Multifamily Dwellings - Code Compliance Brief Publication Date January, 2020 Overview The intent of this brief is to provide code-related information for aerosol sealing building enclosures to achieve durable air tightness levels that will be accepted as being in compliance with the code.
Enclosure Leakage Test Description Guide describing how to use a blower door test to determine building envelope air leakage.