The safety evacuation from the fire affected building is the most imported thing, which is bound to the fire safety of building. The evacuation of persons is necessary process and procedure which can safe lives and health in the most of extraordinary event caused by fire of buildings or technologies. The typical efect attend fires set in buildings, which threaten persons, property and fire - fighting fire brigades. These threaten efects are products of combustion, flame, heat and deficiency of oxygen. I present the way how to use the fire safety devices in various types of buildings in my diploma work, above all towards to safety escape persons from the fire affected building. I describe the practical positive and also negative finding during installation and mutual coordination the fire safety devices.