Does the steel elevator shaft need fire protection?

Steel elevator shafts need fire protection. According to relevant public information, steel structure members are easy to rust and corrode, and their fire resistance is low. Generally, the fire resistance time of steel members without fire protection is about 15 minutes, and the steel elevator shaft is one of the main building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel and steel plates. Components or parts are usually connected by welding, bolts or rivets. Steel elevator shafts are mainly installed in department stores, office buildings, hotels, houses, old buildings, hotels and high-rise office buildings. Its advantages are short construction period, elegant appearance, and steel elevator shaft is suitable for adding or embedding buildings, which is flexible and changeable.