Tag:barrier=wall
 barrier = wall
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A freestanding structure, designed to restrict or prevent movement across a boundary, typically made from solid brick, concrete or rocks, and almost always built so that it is opaque to vision. 
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| Group: Barriers |
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Status: approved
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A wall is a freestanding structure, designed to restrict or prevent movement across a boundary, typically made from solid brick, concrete or rocks, and almost always built so that it is opaque to vision.
How to map
barrier=wall
Historic wall: Use historic=yes. See also heritage=*
Height: Use height=* to specify how tall the wall is.
Thickness: Use width=* to specify how thick precise the wall is. Or use est_width=* to specify how thick approximately the wall is.
Alternative: Use area=*, see there.
Wall details
The tag wall=* can be used to provide details of the wall. The value should indicate the principal feature of the wall, which could be the type, the purpose, or the building method, including the following:
| Key | Value | Comment | Mapnik | Photo |
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| wall | dry_stone |  Dry stone
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| wall | brick | Brickwork
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| wall | flint | Flint cobbled wall, may have brick courses and copings.
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| wall | noise_barrier | Noise barrier
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| wall | jersey_barrier | Jersey barrier. There's also the much more common (as of 2019-02) barrier=jersey_barrier.
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| wall | gabion | Gabion
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| wall | seawall | Seawall
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| wall | flood_wall | Flood wall
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| wall | castle_wall | Curtain wall
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The building material can also be tagged with material=*, if necessary, using values like
stone, brick, concrete, and wood.
Use colour=* to specify the color of the wall.
See wall=no for a tagging of open buildings from an import in France.
