CSLB contractor B Plaster (stucco) Exam
Prep 2026/2027 | Comprehensive Study
Guide & Review Notes
inside or outside - correct answer-Portland cement plaster is a versatile facing
material that can be applied to any flat or curved surface either _____ or ______
of any structure or building
they're the same - correct answer-what is the difference between Portland
cement plaster and Portland cement stucco
scratch, brown and finish - correct answer-3 coats in typical plaster install over
metal reinforcement with or without solid backing.
2 coat - correct answer-_________ work may be used over solid masonry or
concretes surfaces that are reasonably true planes and provide adequate bond
single coat - correct answer-Some backgrounds, such as smooth concrete, have
level surfaces and uniform suction that make thin, ________ _______ plastering
possible
, add pigments while preparing the mixture - correct answer-how do you give the
stucco coloer
hard, strong, fire resistant, color retentive and durable to weather conditions -
correct answer-name 5 characteristics of plaster in its hard state
portland cement and gypsum - correct answer-Two of the main materials used to
make up plaster are ________ _______ and _______
accelerator - correct answer-An admixture that speeds the rate of hydration of
hydraulic cement, shortens the normal time of setting or increases the rate of
hardening, or strength development, or both, of cement plaster
Addition (improperly called additive) - correct answer-A substance that is inter-
ground or blended in limited amounts into a hydraulic cement during
manufacture - not at the jobsite — either as a processing addition to aid in
manufacturing and handling the cement or as a functional addition to modify the
use properties of the cement
admixture - correct answer-A material, other than water, aggregates, and
hydraulic cement, used as an ingredient of plaster and added to the batch
immediately before or during mixing.
Air-entraining hydraulic cement - correct answer-Hydraulic cement containing an
air-entraining addition in an amount that cause the cement to entrain air in
plaster within specified limits
base coat - correct answer-The total of all plaster coats applied prior to
application of finish coat. Where more than two layers of plaster are applied, the
Prep 2026/2027 | Comprehensive Study
Guide & Review Notes
inside or outside - correct answer-Portland cement plaster is a versatile facing
material that can be applied to any flat or curved surface either _____ or ______
of any structure or building
they're the same - correct answer-what is the difference between Portland
cement plaster and Portland cement stucco
scratch, brown and finish - correct answer-3 coats in typical plaster install over
metal reinforcement with or without solid backing.
2 coat - correct answer-_________ work may be used over solid masonry or
concretes surfaces that are reasonably true planes and provide adequate bond
single coat - correct answer-Some backgrounds, such as smooth concrete, have
level surfaces and uniform suction that make thin, ________ _______ plastering
possible
, add pigments while preparing the mixture - correct answer-how do you give the
stucco coloer
hard, strong, fire resistant, color retentive and durable to weather conditions -
correct answer-name 5 characteristics of plaster in its hard state
portland cement and gypsum - correct answer-Two of the main materials used to
make up plaster are ________ _______ and _______
accelerator - correct answer-An admixture that speeds the rate of hydration of
hydraulic cement, shortens the normal time of setting or increases the rate of
hardening, or strength development, or both, of cement plaster
Addition (improperly called additive) - correct answer-A substance that is inter-
ground or blended in limited amounts into a hydraulic cement during
manufacture - not at the jobsite — either as a processing addition to aid in
manufacturing and handling the cement or as a functional addition to modify the
use properties of the cement
admixture - correct answer-A material, other than water, aggregates, and
hydraulic cement, used as an ingredient of plaster and added to the batch
immediately before or during mixing.
Air-entraining hydraulic cement - correct answer-Hydraulic cement containing an
air-entraining addition in an amount that cause the cement to entrain air in
plaster within specified limits
base coat - correct answer-The total of all plaster coats applied prior to
application of finish coat. Where more than two layers of plaster are applied, the
