Does the property company on the roof of the residential area have the right to lock it?

According to the fire control measures, the roof is also a part of the fire escape and cannot be locked.

But in real life, many owners will occupy the roof to dry, set up solar energy, destroy the roof insulation layer, flue ventilation, pipes and so on. Even illegal construction, occupying public area.

There are also hidden dangers such as elevator damage, roof water tank poisoning, and suicide by jumping off a building. (There are many such cases)

Therefore, the property is usually locked on the roof, which can be opened in case of emergency, and the fire department also recognizes it.