Trench Cut Roof Ventilation

Ventilation flat roof operations 2.

Trench cut roof ventilation.

The same techniques can be used on a slight pitched peaked roof as well. 5 when fire shows from observation cuts. A structure fire was reported at around 6 a m. Far too often when members cut a roof they make.

This video gives detailed instructions on how where and why to ventilate a flat roof including how and why to make trench cuts. Large vent h over fire area. The base is the material attached to the roof rafters. A trench is cut after the main ventilation hole is cut and extended and inspection holes are made to monitor extension in the cockloft.

Cut trench at narrow point and pull ceiling but do not pull trench. The base material can consist of solid wood. The 7 9 8 ventilation cut provides a preset plan for conducting a cut. Open the trench and operate hoselines.

0bdecking decking is the material used to comprise the base and exterior covering for the roof. 2 observation cuts between fire area and determined trench location. Position hose lines underneath and above. A trench is cut at least 20 feet from the main vent hole and.