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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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