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Glossary of
painting terms
 A B C D E F G H I J L M N O P R S T U
V W
Air Entrapment
Paint defect caused by air bubbles forming on a new paint
surface.
Aluminum Paint
A type of paint containing aluminum particles giving it a
metallic finish when dried.
Anti-Corrosive Paint
Metal paint designed to prevent corrosion.
Back Priming
The application of paint or stain to the back of siding to
prevent moisture from entering.
Blistering
The formation of bubbles or pimples on the painted surface
caused by painting before the previous coat has dried
thoroughly.
Breathe
The ability of a paint film to permit the passage of
moisture vapor without causing blistering, cracking, or
peeling.
Brush Marks
Marks of brush that remain in the dried paint film.
Burnishing
Shiny or lustrous spots on a paint surface caused by
rubbing.
Chalking
Paint that oxidizes to form a surface powder.
Coverage
The area over which a given amount of paint will spread
and hide the previous surface. (Usually expressed in
square feet per gallon).
Cracking
Paint defect caused by improper mixture of materials.
Crawling
Uneven texture of a paint surface.
Daub
To paint in course strokes.
Drag
A lack of smooth flow of paint from a brush or roller to a
surface.
Drop Cloth
Large piece of cloth, plastic, etc. used for protection
against dripping paint.
Emulsion Paint
Paint in which particles are suspended in water or oil
with the aid of an emulsifier such as latex paint.
Epoxy Paint
Two-part paint that hardens to a shine.
Flaking
Paint defect characterized by the detachment of small
pieces of the film from the surface of previous coat of
paint.
Flat Applicator
A rectangular-shaped flat pad with an attached handle that
is used to paint shingles, shakes, and other special
surfaces.
Flat Paint
Paint that has a high amount of pigment and dries without
gloss.
Ghosting
Paint defect characterized by a shadowy appearance on the
surface.
Gloss Paint
Paint that dries to a bright shiny finish.
Ground Coat
The first coat of paint.
Guide Coat
A coat of the finish cover, such as paint, which is
applied before the final coat.
Hot spots
Incompletely cured lime spots that bleed through the
coating on a plastered wall.
Intercoat Adhesion
The adhesion between two coats of paint.
Joint cement
Cement used in dry wall construction as a bedding compound
for joint tape and as a filler for nail holes.
Joint tape
Special paper tape or paper-faced cotton tape used over
joints between panels of wallboard to conceal the joint
and provide a smooth surface for painting.
Laying Off
Re-brushing a freshly painted surface, with upward strokes
to smooth the paint.
Lifting
The softening and penetration of a previous film by
solvents in the paint being applied over it, resulting in
raising and wrinkling.
Matte
Low sheen paint finish.
Metallic Paint
Metal powder, often bronze or aluminum, added to paint to
make it both reflective and increase its protectiveness.
Mildewicide
Chemicals which are poisons, added to coatings such as
paint, so that it retards the growth of mildew.
Nailhead rusting
Rust from iron nails that bleeds through the coating and
stains the surrounding area.
Nap
The length of fibres in a paint roller cover.
Nonvolatile
A paint's solids content the solids left over after the
solvent evaporates.
Overcoat
A finish coat of paint.
Padding
Use of a paint pad to apply stain or paint.
Paint Finish
Luster or sheen of paint types. High gloss - Commonly
referred to as enamel, it has a high shine. Semi-gloss -
Slightly less shiny than high gloss. Satin-flat - Slight
sheen. Flat Paint - No sheen or gloss, it is also known as
matte.
Peeling
Detachment of a dried paint film in relatively large
pieces, usually caused by moisture or grease under the
painted surface.
Phenolic
Resin formed from phenol and formaldehyde, which can be
used in the making of waterproofing varnish or
thermosetting adhesive, the manufacture of wood products
or in protective paint.
Pigment
Coloring matter, often in the form of an insoluble powder,
which is mixed with oil, water, etc. to make paint.
Pinholing
Paint defect caused by air bubbles, which pits the painted
surface, most commonly when paint is sprayed.
Polyurethane
Polymer plastic most often found in paint, varnish, and
insulating foam.
Primer
Initial coat of paint or sealant applied to a surface in
preparation for painting. The primer seals the surface and
provides a good base for additional coats of paint or
other material.
Puddling
Paint defect where paint is applied too thickly and looks
wet.
Removers
Substances used to soften old paint so they may be removed
easily.
Ropey
A defective paint finish where the dried surfaces shows
ridges, brush marks, or similar imperfections.
Sags
Excessive flow, causing runs or sagging in paint film
during application.
Spatter
Small particles or drips of liquid paint thrown or
expelled when applying paint.
Splatter Paint
Paint, which gives a bumpy finish or mottled appearance,
by being applied in droplets to a dry base coat.
Splitting
When a second coat of paint is applied over a not yet dry
base coat, the top coat cracks and splits.
Spreading Rate
The area to which a paint can be spread; usually expressed
as square feet per gallon.
Stippling
A finish made by using a stippling brush or roller
stippler on a newly painted surface before the paint is
dry.
Stress Cracking
Fine cracking which appears in the surface of paint.
Tack Rag
A special cloth used to clean a wood surface before paint
is applied.
Thinner
A petroleum-based solvent used for thinning and removing
oil-based paint.
Tint
A pigment added to paint.
Tipping Off
Smoothing paint with the tip of a brush.
Top Coat
The final coat of paint applied to a surface.
Undertone
A light paint color.
Varnish
A liquid composition that dries to form a transparent or
translucent finish.
Varnish stain
Varnish that is colored with a dye. It does not have the
same power of penetration as a true stain, and it leaves a
colored coating on the surface.
Wash Coat
Extremely thin coating of paint which seals the surface so
that the colors do not bleed through the final coat.
Water Spotting
Paint defect caused by water droplets.
Whitewash
Slaked lime and water solution used as paint.
Wrinkling
Paint defect most often caused by applying paint in direct
sunlight. |
