A roof deck is the construction of a roof over an open space above a building, often used as a recreation or gardening area. Patio roofs can be constructed from different materials such as concrete, tiles, sheet metal or other roofing materials. Roof designs can range from flat roofs to pitched roofs and can include features such as drainage, insulation, and skylights. Flat roofs have many benefits, including increasing living space, protecting the environment, and improving energy efficiency. It can also improve the aesthetic appeal and value of a property. Terrace roofing refers to the process of constructing a weatherproof covering over an outdoor space on the top of a building, providing shade and protection from the elements while allowing for outdoor living and entertainment.