Plenum and Parking Garages: Waterproofing Challenges and Solutions

https://cgsoft.immpc.org.mx/index.php/Detailing_Air_Barriers_and_Moisture_Barriers_for_a_Tight_Envelope

Waterproofing a building’s plenum and its parking garage is a study in managing competing forces. The plenum, a typically ventilated cavity that carries air and services, sits at the heart of the building envelope