Half and half |
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See Spacing mix.
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Hard screed |
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A mortar screed that has become firm.
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Hard Tile |
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A term used in the tile trade to designate types of
tile, such as ceramic, glass mosaic, marble tile,
etc., over which the tile trade has jurisdiction.
Hard tile as compared to resilient tile.
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Hawk |
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Hawks range in size from 10" to 14" square, but
tilesetters generally prefer the 11" square. Most
hawks are made of aluminum with a wooden handle at
the center. A rubber pad fits over the handle and
covers that portion of the metal hawk that would
come in contact with the hand. The hawk should not
be held with a hand that is wet or covered with lime
or mortar.
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Healing power |
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The ability of a glaze to heal surface blemishes
during firing. (ASTM C 242).
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Heavy duty tile |
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Tile suitable for areas where heavy pedestrian
traffic is prevalent. Tile can be specified to meet
higher test values as determined by job requirements
but a minimum heavy duty tile test requirement is
necessary.
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Hod |
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A portable trough for carrying mortar, bricks, etc.,
fixed crosswise on top of a pole and carried on the
shoulder.
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Hollow casting |
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See Casting, drain.
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Hopped-up mud |
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Mortar mixed with an accelerator. Horizontal broken
joints. A style of laying tile with each course
offset one-half its length.
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Hot cement |
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Newly manufactured cement which has not had an
opportunity to cool after burning and grinding of
the component materials.
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Hot mud or hot stuff |
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Mortar mixed with an accelerator. Hot pressing.- See
Pressing, hot.
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Hue |
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The attribute by which a perceived color is
distinguished as red, yellow, green, blue, purple or
a combination of these. White, gray and black colors
possess no hue. Lightness - The attribute by which a
perceived color is judged to be equivalent to a
member of the continuous series of grays ranging
from black to white. Saturation - The attribute by
which a perceived color is judged to depart from
gray of equal lightness toward a pure hue.
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Hydrate |
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A chemical combination of water with another
compound or an element.
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Hydrated lime |
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Calcium hydroxide, a dry powder obtained by treating
quicklime with water.
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