Ppv Ventilation Attic Fires

The ppv fan was developed as a post fire ventilation tool meaning that the fire must be completely out before using the fan to ventilate the structure.

Ppv ventilation attic fires.

As the fire service awaits new ppv research homer robertson reviews ppv basics. Positive pressure ventilation ppv is a valuable fireground tactic but it s also easily misunderstood. This will prevent the clear environment below the ceiling from rapidly filling with smoke. 3 main ppv tactics exist according to fire situations.

As operations continue you might consider using positive pressure ventilation ppv if vent. Attic fires isolated attic fires can benefit from ppv. On your way up to the attic close doors throughout the house to minimize the spread of smoke. However this tactic also provides additional oxygen to the fire and can increase the rate of heat and energy being released.

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. A direct action on the fire to affect its behavior and reduce its size.