It can sometimes be only 100mm or 200mm above the roof and still be a parapet.
Parapet roof define.
A parapet roof is simply put when a building s outermost walls extend upwards past the roof around the edges most often by a few feet.
The word comes ultimately from the italian parapetto.
The german equivalent brüstung has the same meaning.
A parapet is a part of a roof that eliminates the danger of a flat roof while opening up a wealth of opportunities to use roof space safely and effectively.
A wall of earth or stone to protect soldiers.
Low parapets like these are usually added for stylistic reasons and can be seen on victorian gothic and federation style houses.
Where extending above a roof a parapet may simply be the portion of an exterior wall that continues above the edge line of the roof surface or may be a continuation of a vertical feature beneath the roof such as a fire wall or party wall.
Now it is a low railing or wall along the perimeter of a roof or along the edge of a bridge balcony or raised platform.
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A low wall along the edge of a roof bridge etc.
Parapet originally this was a wall used to protect the ramparts of military structures.
A low wall along the edge of a roof.
These are often decorative and extend the wall above the roofline.
A parapet is a barrier that is an extension of the wall at the edge of a roof terrace balcony walkway or other structure.