ICC MASONRY EXAM
CERTIFICATION STUDY GUIDE 2026
COMPREHENSIVE QUESTIONS AND
VERIFIED ANSWERS
◉ Standard specification for loadbearing
concrete masonry units. Answer: ASTM C 90 S 2.2.1
◉ Grout admixtures used to obtain high
slump with reduced water. Answer: Super plasticizer S 2.11.6
◉ Standard specification for autoclaved aerated CMU to conform to the
strength class specified in the documents. Answer: ASTM C 1386, CI
530 Part 2 S 2.3E
◉ Grout used in construction of engineered and empirically designed
masonry structures. Answer: ASTM C 476
◉ accordance for slump test for grout. Answer: ASTM C 1019, ASTM
C 1019-03
◉ Conditions for grout specimen testing. Answer: Damp, ASTM C
1019-03
, ◉ How long must prisms cure before being cut according to prism test
methods. Answer: 28 hours, 2006 IBC
◉ Min amount of time for masonry prism tests not to be disturbed or
moved after construction and grouting. Answer: 48 hours, ASTM C
1314, S 5.10
◉ Amount of time between obtaining first and final portions of grout
when field sampling grout. Answer: 15 minutes, ASTM C 1019, S 7.2.1
◉ Temperature below which glass masonry units shall not be laid.
Answer: 60 degrees F, 2006 IBC
◉ Min time to cover newly constructed masonry with weather resistant
membrane when temperature is below 40. Answer: 24 hours, 2006 IBC
◉ Max mean daily temperature permitted before fog spraying newly
constructed masonry during curing. Answer: 100 degrees F, 2006 IBC
◉ How long until mortar used in masonry construction should be
discarded when the ambient temperature is over 90 and the wind is over
8 mph. Answer: 2 hours; 2006 IBC
◉ Type of unit masonry required to be placed with head and bed joints
solidly filled. Answer: Glass; 2006 IBC
CERTIFICATION STUDY GUIDE 2026
COMPREHENSIVE QUESTIONS AND
VERIFIED ANSWERS
◉ Standard specification for loadbearing
concrete masonry units. Answer: ASTM C 90 S 2.2.1
◉ Grout admixtures used to obtain high
slump with reduced water. Answer: Super plasticizer S 2.11.6
◉ Standard specification for autoclaved aerated CMU to conform to the
strength class specified in the documents. Answer: ASTM C 1386, CI
530 Part 2 S 2.3E
◉ Grout used in construction of engineered and empirically designed
masonry structures. Answer: ASTM C 476
◉ accordance for slump test for grout. Answer: ASTM C 1019, ASTM
C 1019-03
◉ Conditions for grout specimen testing. Answer: Damp, ASTM C
1019-03
, ◉ How long must prisms cure before being cut according to prism test
methods. Answer: 28 hours, 2006 IBC
◉ Min amount of time for masonry prism tests not to be disturbed or
moved after construction and grouting. Answer: 48 hours, ASTM C
1314, S 5.10
◉ Amount of time between obtaining first and final portions of grout
when field sampling grout. Answer: 15 minutes, ASTM C 1019, S 7.2.1
◉ Temperature below which glass masonry units shall not be laid.
Answer: 60 degrees F, 2006 IBC
◉ Min time to cover newly constructed masonry with weather resistant
membrane when temperature is below 40. Answer: 24 hours, 2006 IBC
◉ Max mean daily temperature permitted before fog spraying newly
constructed masonry during curing. Answer: 100 degrees F, 2006 IBC
◉ How long until mortar used in masonry construction should be
discarded when the ambient temperature is over 90 and the wind is over
8 mph. Answer: 2 hours; 2006 IBC
◉ Type of unit masonry required to be placed with head and bed joints
solidly filled. Answer: Glass; 2006 IBC
