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FIBREBOARD |
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Cheap, lightweight board material of little
strength, used in ceilings or as insulation to attics. |
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FLASHING |
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Building technique used to prevent leakage
at a roof joint. Normally metal (lead, zinc, copper) but can be cement,
felt or proprietary material. |
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FLAUNCHING |
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Contoured cement around the base of chimney
pots, to secure the pot and to throw off rain. |
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FLUE |
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A smoke duct in a chimney, or a proprietary pipe serving a heat-producing
appliance such as a central heating boiler. |
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FLUE LINING |
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Metal (usually stainless steel) tube within a flue essential for
high output gas appliances such as boilers. May also be manufactured
from clay and built into the flue. |
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FOUNDATIONS |
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Normally concrete, laid underground as a structural base to a wall: in
older buildings may be brick or stone. |
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FROG |
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A depression imprinted in the upper surface of a brick, to save clay,
reduce weight and increase the strength of the wall. Bricks should
always be laid frog uppermost. |
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GABLE |
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Upper section of a wall, usually triangular in shape, at either end of
a ridged roof. |
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GROUND HEAVE |
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Swelling of clay sub-soil due to absorption of moisture: can cause an
upward movement in foundations. |
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GULLY |
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An opening into a drain, normally at ground level, placed to receive
water etc. from downpipes and wastepipes. |
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HAUNCHING |
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See Benching. Also term used to
describe the support to a drain underground. |
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HIP |
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The external junction between two intersecting roof slopes. |
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