Virginia Home Improvement Contracting Exam
Questions and Answers 2025
Which type of floors should insulation be installed? - ✔✔✔
Correct Answer > Floors in heated rooms located over
unheated areas
Insulation Handbook - Page 57
What is the minimum number of bags that would be required
for a 2000 SF home to achieve an insulation resistance of R-19.
- ✔✔✔ Correct Answer > 37
Insulation Handbook - Page 162
P a g e 1 | 112
,When the air is considered saturated, how much relative
humidity would be present? - ✔✔✔ Correct Answer > 1
Insulation Handbook - Page 34
Where would mandated specifications for ventilation guidelines
be located? - ✔✔✔ Correct Answer > In locally adopted
building codes
Insulation Handbook - Page 95
Dense-packing refers to: - ✔✔✔ Correct Answer > A
blow-in method of installing cellulose
Insulation Handbook - Page 82-83
What density is generally recommended for cellulose insulation
in walls? - ✔✔✔ Correct Answer > 3.0 lb/ft3
Insulation Handbook - Page 91
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,What measures thermal transmittance? - ✔✔✔ Correct
Answer > U-Value
Insulation Handbook - Page 23
When insulating crawl space, how much extra wall insulation
should be installed to extend along the crawl space floor? -
✔✔✔ Correct Answer > 2 ft.
Insulation Handbook - Page 143
What does the term BTU stand for? - ✔✔✔ Correct
Answer > British Thermal Unit
Insulation Handbook - Page 24
Where primary power is interrupted, where must a smoke
alarm draw its primary power? - ✔✔✔ Correct Answer >
Battery
IRC 2018 - Page 76
P a g e 3 | 112
, What is the center-to-center spacing of metal veneer ties
around the perimeter of a wall opening measuring 36" H x 48"
W? - ✔✔✔ Correct Answer > 36 inches
IRC 2018 - Page 376
What is minimum specified compressive strength of concrete
basement walls, foundations, and other concrete not exposed
to the weather with moderate weathering potential? - ✔✔✔
Correct Answer > 2500
IRC 2018 - Page 90
In what section of the span of a floor joist is it permitted to cut
a notch? - ✔✔✔ Correct Answer > The outer third of the
span when less than one-sixth the depth of the joist
IRC 2018 - Page 141
A comparative measure, expressed as a dimensionless number,
derived from visual measurements of the spread of flame
P a g e 4 | 112
Questions and Answers 2025
Which type of floors should insulation be installed? - ✔✔✔
Correct Answer > Floors in heated rooms located over
unheated areas
Insulation Handbook - Page 57
What is the minimum number of bags that would be required
for a 2000 SF home to achieve an insulation resistance of R-19.
- ✔✔✔ Correct Answer > 37
Insulation Handbook - Page 162
P a g e 1 | 112
,When the air is considered saturated, how much relative
humidity would be present? - ✔✔✔ Correct Answer > 1
Insulation Handbook - Page 34
Where would mandated specifications for ventilation guidelines
be located? - ✔✔✔ Correct Answer > In locally adopted
building codes
Insulation Handbook - Page 95
Dense-packing refers to: - ✔✔✔ Correct Answer > A
blow-in method of installing cellulose
Insulation Handbook - Page 82-83
What density is generally recommended for cellulose insulation
in walls? - ✔✔✔ Correct Answer > 3.0 lb/ft3
Insulation Handbook - Page 91
P a g e 2 | 112
,What measures thermal transmittance? - ✔✔✔ Correct
Answer > U-Value
Insulation Handbook - Page 23
When insulating crawl space, how much extra wall insulation
should be installed to extend along the crawl space floor? -
✔✔✔ Correct Answer > 2 ft.
Insulation Handbook - Page 143
What does the term BTU stand for? - ✔✔✔ Correct
Answer > British Thermal Unit
Insulation Handbook - Page 24
Where primary power is interrupted, where must a smoke
alarm draw its primary power? - ✔✔✔ Correct Answer >
Battery
IRC 2018 - Page 76
P a g e 3 | 112
, What is the center-to-center spacing of metal veneer ties
around the perimeter of a wall opening measuring 36" H x 48"
W? - ✔✔✔ Correct Answer > 36 inches
IRC 2018 - Page 376
What is minimum specified compressive strength of concrete
basement walls, foundations, and other concrete not exposed
to the weather with moderate weathering potential? - ✔✔✔
Correct Answer > 2500
IRC 2018 - Page 90
In what section of the span of a floor joist is it permitted to cut
a notch? - ✔✔✔ Correct Answer > The outer third of the
span when less than one-sixth the depth of the joist
IRC 2018 - Page 141
A comparative measure, expressed as a dimensionless number,
derived from visual measurements of the spread of flame
P a g e 4 | 112
