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PARAPET |
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Low
wall along the edge of a flat roof, balcony etc.. |
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PIER |
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A
vertical column of brickwork or other material, used to strengthen
the wall or to support a weight. |
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PLASTERBOARD |
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Stiff
"sandwich" of plaster between coarse paper. Now in widespread
use for ceilings and walls. |
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POINTING |
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Smooth outer edge of mortar joint between bricks, stones etc.. |
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POWDER POST BEETLE |
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(Bostrychidae or Lyctidae family of beetles.) A relatively uncommon pest
which can, if untreated, cause widespread damage to structural timbers. |
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PURLIN |
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Horizontal beam in a roof upon which rafters rest. |
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QUOIN |
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The external angle of a building; or, specifically, bricks or stone blocks
forming that angle. |
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RAFTER |
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A sloping roof beam, usually timber, forming the carcass of a roof. |
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RANDOM RUBBLE |
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Primitive method of stone wall construction with no attempt at bonding
or coursing. |
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RENDERING |
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Vertical covering of a wall either plaster (internally) or cement (externally),
sometimes with pebble-dash, stucco or Tyrolean textured finish. |
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REVEALS |
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The side faces of a window or door opening. |
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RIDGE |
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The apex of a roof. |
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RISER |
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The vertical part of a step or stair. |
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RISING DAMP |
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Moisture soaking up a wall from below ground, by capillary action causing
rot in timbers, plaster decay, decoration failure etc.. |
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ROOF SPREAD |
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Outward bowing of a wall caused by the thrust of a badly restrained roof
carcass (see Collar). |
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