The term "plaster" is used generally to describe material prepared with
either portland cement or gypsum. The term "stucco" used herein
describes a factor-prepared, integrally colored finish which over the
years has come to be used to describe all colored portland cement finishes.
Each of the
pictures shown were photographed from the same distance of approximately
4 feet and depicts a one square foot panel. Plaster, applied in a plastic
state, may create a great variety of design configuration or texture patterns.
Textures
illustrated are not intended to show the whole range of possibilities.
They are the most commonly used. Identifying names are those by which
the texture is commonly referred to in the trade. It should be noted that
a designer, contractor or journeyman may have differing concepts of these
plaster texture terms.
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Light
Lace
Suggested
Application Procedures
- Trowel,
float or dash on a first coat to completely cover base.
- When
surface moisture leaves, trowel apply light second coat in random
directions.
- Knock
down surfaces lightly with trowel.
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Heavy
Lace
Suggested
Applications Procedures
- Trowel,
float or dash on a first coat to completely cover base.
- When
surface moisture leaves, trowel apply second coat in random directions.
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Light
Dash
Suggested
Application Procedures
- Apply
a first dash coat to produce compete color coverage.
- Apply
a second dash coat for texture depth and uniformity when first
coat is dry, using a plaster mix of thinner consistency.
- Use
proportionately more atomizing air at the gun nozzle.
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Medium
Dash
Suggested
Application Procedures
- Apply
a first dash coat to produce complete color coverage.
- Apply
a second dash coat for texture depth and uniformity when first
coat is dry.
- Use
a medium amount of atomizing air at the gun nozzle.
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Heavy
Dash
Suggested
Application Procedures
- Apply
a first dash coat to produce complete color coverage.
- Apply
a second dash coat for texture depth and uniformity when first
coat is dry, mortar to be of relatively stiff consistency.
- Use
relatively less atomizing air at the gun nozzle and lower water
ratio of the plaster.
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Tunnel
Dash
Suggested
Application Procedures
- Apply
first dash coat to produce complete color coverage.
- When
surface moisture leaves, or on second day, apply a second heavy
coat.
- Use
low atomizing air and reduce water ratio of the plaster
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Knockdown
Dash
Suggested
Application Procedures
- Apply
first dash coat in thin consistency to produce complete color
coverage.
- Apply
a course second dash coat for texture depth and uniformity, allowing
some of the first coat to show through.
- Trowel
lightly after moisture leaves surface.
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Cat
Faces
Suggested
Application Procedures
- Trowel,
float or dash on a first coat to completely cover base.
- Apply
second coat and steel trowel to smooth finish, leaving the first
coat exposed in the design specified.
Note:
An exelerator can be used in the first coat. Smooth finishes are
subjected to cracking and it is recommended that they be coated
with an elastomeric paint.
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California
Suggested
Application Procedures
- Float
on first coat to completely cover base.
- Apply
a thin texture coat with trowel in a random pattern, overlapping
strokes.
- Flatten
higher areas with a trowel.
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Smooth
Suggested
Application procedures
- Trowel,
float or dash on a first coat to completely cover base.
- Apply
second coat and steel trowel to a smooth finish.
Note:
An excelerator can be used in the first coat. Smooth finishes are
subjected to cracking and it is recommended that they be painted
with an elastomeric paint.
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Santa
Barbara
Suggested
Application Procedures
- Apply
brown coat with a rounded trowel, creating undulation in the brown
coat.
- When
Applying the finish, trowel, float or dash on a first coat to
completely cover base. Apply second coat and steel trowel to a
smooth finish.
Note:
An excelerator can be used in the first coat. Smooth finishes are
subjected to cracking and it is recommended that they be painted
with an elastomeric paint.
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Fine
Sand Float
Suggested
Application Procedures
- Trowel
on a finish coat and double back with a second application. Plaster
mix is to be formulated with a blend of 20-30 mesh aggregate.
- Using
circular motion, rub surface with float to achieve uniform pattern,
bringing sand particles to surface. An absolute minimum of water
should be used in floating.
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Medium
Sand Float
Suggested
Application Procedures
- Trowel
on a finish coat and double back with a second application. Plaster
mix is to be formulated with a 20-mesh aggregate.
- Using
circular motion, rub surface with float to achieve uniform pattern.
Bringing sand particles to surface. An absolute minimum of water
should be used in floating.
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Heavy
Sand Float
Suggested
Application Procedures
- Trowel
on a finish coat and double back with a second application. Plaster
mix is to be made with course aggregate or relatively course blend.
- Using
circular motion, rub surface with float to achieve uniform pattern,
bringing sand particles to the surface. An absolute minimum of
water should be used in floating.
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Scraped
Suggested
Application procedures
- Apply
finish coat approximately 1/4 in. thick and allow to take up until
surface moisture leaves.
- Scrape
vertically with a steel joint rod or trowel held at right angles
to the plane of the wall. Remove sufficient material to leave
a torn surface, free from smooth spots and joinings.
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Spanish
Suggested
Application Procedures
- Trowel
on a first coat, leaving relatively smooth.
- Apply
second coat in random texture, using overlapping strokes of the
trowel.
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Monterey
Suggested
Application Procedures
- Trowel
on first coat, leaving relatively smooth.
- Apply
second coat in a random texture, using overlapping strokes of
the trowel.
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Arizona
Suggested
Application Procedures
- Trowel
on a heavy texture coat.
- After
surface moisture is absorbed apply heavy second coat, leaving
it rough under the trowel with small area texture pats.
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Frieze
Suggested
Application Procedures
- Trowel
on a first coat using double-back method, and rake with a course
brush or broom.
- Splatter
dash sparingly with dash broom, using mortar of fairly stiff consistency
to partially cover the surface.
- After
moisture leaves surface, trowel down high spots, retaining general
pattern of dash texture.
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English
Suggested
Application Procedures
- Trowel
on a first coat to completely cover base.
- Using
a rounded trowel, apply a second thick texture coat with short
strokes in varying directions, leaving a rough, irregular pattern.
- After
moisture leaves the surface, trowel down high spots, retaining
general pattern.
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Trowel
Sweep
Suggested Application Procedures
- Trowel
on a first coat to completely cover base.
- Apply
a second coat with fan shaped strokes, lapping each other so as
to form narrow, high ridges where mortar flows over the toe of
the trowel.
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Web
Suggested
Application Procedures
- Trowel
on a first coat and broom lightly in varying directions, using
a sweeping motion.
- Using
a trowel, apply a texture coat in strips approximately 2"x6",
forming a more or less rectangular pattern.
- Trowel
surface lightly.
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Briar
Suggested
Application Procedures
- Trowel
on first coat to completely cover base.
- Apply
a texture coat, holding trowel at angle to surface. With heel
of trowel serving as a pivot point. Produce fanlike ridges in
radiating pattern.
- Flatten
higher areas with trowel.
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Combed
Suggested
Application Procedures
- Apply
finish coat in sufficient thickness to accommodate depth of grooves
without exposing base (brown) coat.
- Rod
and Darby, leaving surface reasonably straight and true.
- Using
a strip as a guide, comb surface vertically (or horizontally)
with a template, formed to achieve pattern detailed on drawings.
Note:
Special mix required.
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Marblecrete
Suggested
Application Procedures
- Apply
bedding coat to proper thickness.
- Straighten
with Rod and Darby, leaving surface reasonably smooth.
- Apply
aggregate to bedding coat.
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Simulated
Timber
Suggest
Application Procedures
- Spread
finish coat plaster to desired panel texture.
- Lay
on a narrow band (i.e.6" to 8" wide) of same material
in pattern of half-timber.
- Cut
shallow groove on each side of simulated timber.
- Lightly
trowel face of simulated timber to relatively smooth surface.
- If
peg marks are desired, lightly press large screw head near ends
of simulated timber.
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Travertine
Suggested
Application Procedures
- Apply
travertine finish coat 1/4 in. to 3/8 in. thick over the damp
base.
- Rod
and Darby.
- Lay
out the travertine design as shown on drawings, to simulate joints,
stamp in lines with a joint rod or rake out with a raking tool.
- With
spring steel or a wire brush pick out small portions of the surface
to imitate indentations of travertine stone.
- Water
trowel smooth, retaining indentations.
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Brick
Suggested
Application Procedures
- Trowel
on a first coat of mortar colored joint material.
- Trowel
on a second coat of brick-colored stucco material.
- Comb
or broom the surface with a course fiber brush or broom to achieve
desired grain. A light toweled texture may also be applied.
- Using
a brick template or straightedge, rake joints to depth required
to expose mortar joint material.
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Rock
'n Roll
Suggested
Application Procedures
- Trowel
on a first coat to completely cover base coat.
- Apply
a second coat of a specially prepared finish plaster containing
selected size pebbles to achieve desired texture.
- The
actions of the trowel or float rolls the pebbles to create miniature
troughs in a linear or circular pattern.
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Glacier
Suggested
Application Procedures
- Trowel
on a first coat to completely cover base.
- Flat
the surface to raise the aggregate.
- Trowel
on a light texture coat over the floated surface.
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