Answer: the type of flat roof may or may not allow regular circulation and use of the ground surface.
The roof terrace has the advantage of being potentially accessible. However, this is not always the case. Indeed, the accessible roof terrace allows free access for residents. The floor is covered with concrete, tiles, wood, stone or earth. In the latter case, it is a planted terrace on which plants can grow. Various installations can take place: chairs, tables, etc. Inaccessible flat roofs do not allow regular use of the surface. They can nevertheless accommodate various house installations: mechanical ventilation, television antenna, smoke exhaust duct, etc. Maintenance and waterproofing are also possible, you can also send us your DIY question.