Bridge Roof, roof safety track comes in two versions with a non-slip surface of the copper, aluminum, stainless steel and galvanized plieno. The basics bridges dimensions are 1500x250 mm, 3000x250 mm. In an emergency, hiking along the lattice and bind both the width of bars or steps. Roof pitch can be set from 0 to 40 degrees. Attached to the metal roof by special adjustable holder has a roof slope.