Mark van der Feyst examines two ways firefighters can ventilate a flat roof: the coffin cut and the square cut.
In this firefighter training video, Mike Ciampo demonstrates the louver cut for roof ventilation operations.
In this firefighter training video, Mike Ciampo has tips on starting up rotary saws and roof ventilation operations.
Saw familiarity and functional discipline will result in ideal saw performance. SAMUEL HITTLE