Share 'The Blasnik Methods— Zone Pressure Diagnostics'

Zone pressure diagnostics (ZPDs) are used to identify and measure series leaks, or leaks that pass through several zones of the house. For example, air leaking through the attic roof must first move from the living spaces into the attic through the attic floor. ZPDs measure the pressure difference between the living space and the bordering zone (such as the attic), and between the bordering zone…