Facial defect |
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That portion of the facial surface of the tile which
is readily observed to be nonconforming and which
will detract from the aesthetic appearance or
serviceability of the installed tile.
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Faience mosaics |
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Faience the that are less than 6 in .z in facial
area, usually 5/16 to 3/8 in. (8 to 9.5 mm) thick,
and usually mounted to facilitate installation.
(ASTM C 242).
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Faience tile |
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Glazed or unglazed tile, generally made by the
plastic process, showing characteristic variations
in the face, edges, and glaze that give a
handcrafted, nonmechanical, decorative effect. (ASTM
C 242).
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Faience ware |
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Formerly a decorated earthenware with an opaque
glaze, but currently designating a decorated
earthenware having a transparent glaze (ASTM C 242).
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Fan or fanning |
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Spacing tile joints to widen certain areas so they
will conform to a section that is not parallel.
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Fascia |
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A flat member or band at the surface of a building
or the edge beam of a bridge; exposed eave of a
building; often inappropriately called facia.
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Feather edge |
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A wood or metal tool having a beveled edge; used to
straighten re-entrant angles in finish plaster coat;
also edge of a concrete or mortar placement such as
a patch or topping that is beveled at an acute
angle.
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Featheredging file (mitering) |
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The method of chipping away the body from beneath a
facial edge of a tile in order to form a miter.
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Feature strip (decorated liner) |
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A narrow strip of tile that has a contrasting color,
texture, or design.
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Feldspar |
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A mineral aggregate consisting chiefly of
microcline, albite and/or anorthite. (ASTM C 242);
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Fiberglass |
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The name for products made of or with glass fibers
ranging from 5 to 600 hundred-thousandths inch in
diameter. Used for making textile fabrics, and for
heat or sound insulation.
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Field tile |
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An area of tile covering a wall or floor. The field
is bordered by tile trim.
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Field tile |
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An area of tile covering a wall or floor. The field
is bordered by tile trim.
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Fifty-fifty |
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See Spacing mix. Filler. See Spacing mix. Fineness
modulus. A factor obtained by adding the total
percentages by weight of an aggregate sample
retained on each of a specified series of sieves,
and dividing the sum by 100. In the United States
the standard sieve sizes are No. 100 (150 pm), No.
30 (600 wm), No. 16 (1.18 mm), No. 8 (2.36 mm) and
No. 4 (4.75 mm), and a/s in. (9.5 mm), 3/a in. (19
mm), 11/2 in. (38,1 mm), 3 in. (75 mm), and 6 in.
(150 mm).
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Fifty-fifty |
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ee Spacing mix.
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Filler |
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ee Spacing mix.
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Final setting time |
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The time required for a freshly mixed cement paste,
mortar or concrete to achieve final set.
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Fire |
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See Fire, bisque; Fire, decorating; Fire, glost;
Fire, single.
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Fire clay |
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An earthy or stony mineral aggregate which has as
the essential constituent hydrous silicates of
aluminum with or without free silica, plastic when
sufficiently pulverized and wetted, rigid when
subsequently dried, and of suitable refractoriness
for use in commercial refractory products.
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Fire, bisque |
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The process of kiln-firing ceramic ware prior to
glazing. (ASTM C 242).
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Fire, decorating |
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The process of firing ceramic or metallic
decorations on the surface of glazed ceramic ware.
(ASTM C 242).
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Fire, glost |
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The process of kiln-firing bisque ware to which
glaze has been applied. (ASTM C 242).
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Fire, single |
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The process of maturing an unfired ceramic body and
its glaze in one firing operation. (ASTM C 242).
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Firing |
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The controlled heat treatment of ceramic ware in a
kiln or furnace, during the process of manufacture,
to develop the desired properties. (ASTM C. 242).
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Firing range |
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The range of firing temperature within which a
ceramic composition develops properties which render
it commercially useful. (ASTM C 242).
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Flaked |
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Irregularities left on the edge of the tile mainly
due to the use of machine cutting tools.
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Flammable |
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Capable of being easily ignited.
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Flash point |
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The temperature at which the material gives off
flammable vapor in sufficient quantity to ignite
momentarily on the application of a flame under
specified conditions.
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Flat trowel |
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The flat trowel is used in conjunction with the hawk
for the transferring of mortar from the mortarboard
to the wall or to other vertical surfaces. It is
frequently used for spreading pure cement on the
finished float coat. The flat trowel also is used
for spreading mortar on floor surfaces before tiles
are set.
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Flexural strength |
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A property of a material or structural member that
indicates its ability to resist failure in bending.
(See also Modulus of rupture.)
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Float coat |
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The final mortar coat over which the neat coat, pure
coat, or skim coat is applied.
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Float strip |
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A strip of wood about i/4" thick and 1'/a" wide. It
is used as a guide to align mortar surfaces.
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Floating |
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A method of using a straightedge to align mortar
with the float strips or screeds. This technique
also is called dragging, pulling, rodding, or
rodding off.
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Fluorite (Ca F2) (fluorspar) |
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An inorganic mineral of the isometric form, used as
a source of fluorine for fluxing of glasses, and
glazes.
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Flux |
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A substance that promotes fusion in a given ceramic
mixture. (ASTM C 242).
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Fog curing |
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1. Storage of concrete in a moist room in which the
desired high humidity is achieved by the atomization
of fresh water. (See also Moist room). 2.
Application of atomized fresh water to concrete,
stucco, mortar, or plaster.
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Form oil |
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Oil applied to interior surface of formwork to
promote easy release from the concrete when forms
are removed.
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Forming |
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The shaping or molding of ceramic ware. (ASTM C
242).
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Forsterite porcelain |
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A vitreous ceramic whiteware for technical
application in which forsterite (2MgO SiO~ is the
essential crystalline phase. (ASTM C 242).
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Forsterite whiteware |
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Any ceramic whiteware in which Forstertte (2MgO -
SiO,) is the essential crystalline phase. (ASTM C
242).
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Freehand floating |
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The application of wall mortar without the use of
guide screeds. This technique is used by specialists
when they are setting glass mosaic murals.
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Frit |
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A glass which contains fluxing material and is
employed as a constituent in a glaze, body or other
ceramic composition. (ASTM C 242).
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Fritted glaze |
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A glaze in which a part or all of the fluxing
constituents are prefused. (ASTM C 242).
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Frost proof tile |
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Tile produced for use where freezing and thawing
conditions occur. (CTI)
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Furan mortar |
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A two-part mortar system of furan resin and furan
hardener used for bonding tile to back-up material
where chemical resistance of floors is important.
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Furan Plastics |
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Plastics based on resins in which the furan ring is
an integral part of the polymer chain, made by the
polymerization -or polycondensation of furfural,
furfuryl alcohol, or other compounds containing a
furan ring, or by the reaction of these furan
compounds with other compounds, the furan being in
greater amount by weight.
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Furan resin |
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A furan resin composition used as a
chemical-resistant setting adhesive or
chemical-resistant grout.
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Furan resin grout |
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A two-part grout system of furan resin and furan
hardener used for filling joints between quarry tile
and pavers where chemical resistant properties are
required.
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Furring |
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Stripping used to build out a surface such as a
studded wall where strips of suitable size are added
to the studs to accommodate vent pipes or other
fixtures. (TCA)
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Fusion |
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The process of melting; usually the result of
interaction of two or more materials. (ASTM C 242).
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