A roof deck is an outdoor living space built on the roof of a building, either as an extension of the roof or as a standalone structure. It is typically surrounded by a railing or parapet to provide safety, and can be covered or open to the sky. Roof decks are used in building design to provide additional usable space, increase property value, and create outdoor amenities for tenants or homeowners. They can be used for entertaining, relaxation, and outdoor dining, and may feature amenities such as seating, lighting, heating, and outdoor kitchens. Roof decks can also be designed to be green roofs, with vegetation and a drainage system to reduce stormwater runoff and provide environmental benefits.
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