The trench cut is made at least 20 feet away from the main 6-by-6-foot hole during ventilation operations. A hot topic in the firehouse is roof ventilation. Although often overlooked, the position ...

There are several methods for roof ventilation, depending on conditions. A trench cut largely is a defensive strategy to stop the spread of fire in a top-floor fire. Traditionally, it’s a flat ...

At a flat roof building, firefighters most often go to the roof to conduct initial ventilation. Because of the challenges of this critical position, firefighters assigned to the roof must ...

Understanding the basics of roof ventilation can prevent expensive repairs later. Learn about how to achieve optimal airflow ...

While flat-roof systems have an official lifespan of ... meaning they don’t require any additional seals around vents or chimneys. It’s typically applied in one of two ways: Liquid.

Passivent has partnered with IES to make its full range of roof ventilation terminals available for modelling within the ...

“Ventilation is really critical,” said Decatur Fire Chief Matt Sekosky, as firefighters prepared to ascend a ladder onto the flat roof of a vacant building during a recent ventilation training ...