Will it be possible to tie up the communication cables along the roof lightning belt?
The paint protection layer or 0.5 mm thick asphalt layer or 1 mm thick PVC layer do not belong to the insulating coating.Color steel roof and steel roof truss can be used as a grounding device, such as a parapet should also set lightning with a wall in her.A steel column for reinforcing or reinforcing steel structures in a structure.Correction coefficients may be adjusted when lightning strikes are calculated.The earthing part can be used as a lightning protection device and grounding device
The roof of a metal roof shall be made of its roof as a flash receiver and shall meet the following requirements:1: metal plate between the lap, its lap length shall not be less than 100 mm;2: under the metal plate without flammable material, its thickness should not be less than 0.5 mm;3: under the metal plate flammable articles, its thickness should not be less than 4 mm iron plate, copper should not be less than 5 mm, aluminum sheet should not be less than 7 mm;4: metal plate insulation coating house.