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Glossary
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A
B
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D
E
F
G
H
I
J
L
M
N
O
P
Q
R
S
T
U
V
W
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| Aggregate |
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Pebbles, shingle, gravel etc used in the manufacture of concrete and in the construction of ‘soakaways’.
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| Airbrick |
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Perforated brick or metal/plastic grille used for ventilation, especially to floor voids
(beneath timber floors) and roof spaces.
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| Architrave |
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Joinery moulding around window or doorway.
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| Asbestos |
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Fibrous mineral used in the past for insulation. Can be a health hazard – specialist
advice should be sought if asbestos is found.
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| Asbestos Cement |
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Cement with 10-15% asbestos fibre as reinforcement. Fragile; will not bear heavy
weights. Hazardous fibres may be released if cut or drilled.
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| Ashlar |
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Finely dressed natural stone; the best grade of masonry.
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| Asphalt |
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Black, tar-like substance, strongly adhesive and impervious to moisture. Used on flat
roofs and floors.
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