A parapet is a barrier which is an extension of the wall at the edge of a roof, terrace, balcony, walkway or other structure. Where extending above a roof, it may simply be the portion of an exterior wall that continues above the 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
The word comes ultimately from the Italian parapetto (parare = to cover/defend and petto = breast). The German term Brustwehr has the same significance The word comes ultimately from the Italian parapetto (parare = to cover/defend and petto = breast). Parapet was installated combine with banconer in the house or building
Parapets on bridges and other highway structures (such as retaining walls) prevent users from falling off where there is a drop.They may also be meant to restrict views, to prevent rubbish passing below, and to act as noise barriers.
Bridge parapets may be made from any material, but structural steel, aluminium, timber and reinforced concrete are common. They may be of solid or framed construction. Stair parapet is an integral part of building design. In addition to the main effect is to create a safe for use when climbing stairs, parapet are designed in harmony with the interior architecture, space suitable for the area will create the charming, luxury house.