Ppv Ventilation Attic Fires

Positive pressure ventilation ppv is a valuable fireground tactic but it s also easily misunderstood.

Ppv ventilation attic fires.

This will prevent the clear environment below the ceiling from rapidly filling with smoke. A direct action on the fire to affect its behavior and reduce its size. As operations continue you might consider using positive pressure ventilation ppv if vent. However this tactic also provides additional oxygen to the fire and can increase the rate of heat and energy being released.

For it to work there must be an opening. Attic fires isolated attic fires can benefit from ppv. This pressurization or positive pressure ventilation ppv tactic can assist in the venting of smoke and high temperature combustion products and make attacking the fire easier than without ppv. Moving from one room to another and punching the nozzle through the ceiling and.

During initial attack fire crews should use small openings in the ceiling for water application. As the fire service awaits new ppv research homer robertson reviews ppv basics.