Key:wall
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| Description |
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Used to provide more detailed information about a barrier=wall. The value should indicate the principle feature of the wall, which might be the type, purpose, or building material of the wall. 
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| Group: barriers |
| Used on these elements |
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| Documented values: 12 |
| Requires |
| See also |
| Status: de facto |
| Tools for this tag |
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The tag =* provides more detailed information about the wall.
Values
The value should indicate the principle feature of the wall, which might be the type, purpose, or building material of the wall, as follows:
| Key | Value | Description | Tag Usage[1] | Photo |
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Wall purpose | ||||
| noise_barrier |  Noise barrier - a wall which protects against noise on one of its sides
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| jersey_barrier | Jersey barrier. There's also the much more common (as of 2019-02) barrier=jersey_barrier.
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| seawall | Seawall - a wall built to protect land along the coast from erosion and flooding from the sea
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| flood_wall | Flood wall - a wall built to protect land from flooding along a river or lake
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| castle_wall | Castle curtain wall - also see barrier=city_wall
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Construction material / method - also see
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| dry_stone | A dry stone wall is constructed from stones without mortar to bind them together.
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| stone | stone wall - a wall constructed from stones. See also material=stone and =stone_wall
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| brick | brick - a wall constructed from bricks. See also material=brick
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| concrete | Concrete wall, constructed from concrete poured in place, or as precast concrete wall panels. See also material=concrete
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.jpg)
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| concrete_block | Concrete block wall, constructed from cement concrete blocks and mortar - also see =cement_block
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| flint | Flint cobbled wall, may have brick courses and copings.
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| gabion | Gabion wall made from cages or boxes filled with stones, concrete, or sometimes sand and soil.
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| pise | Rammed earth wall made from compacted soil, chalk or clay.
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.jpg)
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Possible tagging mistakes
- ↑ Does not include uses in semi-colon value separated lists