6.6201.2 Primary Ventilation Air Flow between Rooms

Whole Building Ventilation
Air Flow Requirements
Desired Outcome: 
Air circulates freely between rooms
Balancing pressure

An appropriate means of pressure balancing will be installed (e.g., transfer grilles, jumper ducts, individual room returns)

No room will exceed +/- 3 pascals with reference to the common area with all interior doors closed and ventilation systems running

Ensure free flow of air between rooms

Preserve integrity of the building envelope Envelope The separation between the interior and exterior environments of a building that includes a combination of air and thermal barrier