RESIDENTIAL BUILDING INSPECTOR TEST
EXAM 2025 ACTUAL EXAM COMPLETE
EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
Where would I find the requirements for wood panel wall
sheathing used to resist wind pressures? -
....ANSWER...Table R602.3(3)
Braced wall panels shall begin a maximum of
from the end of a braced wall line - ....ANSWER...10 feet
Where would I find ledger bolt size and spacing? -
....ANSWER...Figure R606.11(1)
Where would I find the allowable spans for lintels
supporting masonry veneer? - ....ANSWER...Table
R703.8.3.1
Where would I find the specifications for bracing
methods? - ....ANSWER...Table R602.10.4
1
,Where would I find the minimum stud thickness for cold
formed steel walls? - ....ANSWER...Table R603.3.2
What is the minimum vent area for a roof? -
....ANSWER...1/150 of square footage
Notches along the length of a solid lumber joist shall not
exceed of the depth of the member -
....ANSWER...1/6
Where collar ties are used to connect opposing rafters,
they shall not be spaced more than feet on center. -
....ANSWER...4
(2021 IRC Section R802.4.6)
Attic access for buildings with combustible roof
construction shall have the rough-framed opening be not
less than inches by inches. -
....ANSWER...22, 30
(2021 IRC Section R807.1)
2
,5/8 inch wood structural panels used as roof sheathing
shall be attached using common nails. -
....ANSWER...8d
(2021 IRC Table R602.3(1) Item #32)
Two-family dwellings provided with an automatic
sprinkler system shall have the units separated by a wall
and floor assembly having a fire-resistance rating of not
less than . - ....ANSWER...1/2 hour
(2021 IRC Section R302.3 Exception #1)
In crawl spaces, wood floor joists shall be either of
naturally durable wood or preservative-treated wood
unless located inches or more from the exposed
ground. - ....ANSWER...18
(2021 IRC Section R317.1 #1)
True or False. Fireblocking material can consist of one-
quarter inch gypsum board. - ....ANSWER...FALSE
(2021 IRC Section R302.11.1 #5)
3
, The ends of floor joists bearing on wood or metal shall not
have less than inches bearing. - ....ANSWER...1 1/2
(2021 IRC Section R502.6)
When wood columns rest directly on concrete exterior
foundation walls, they shall be of pressure-treated wood
unless they are located a minimum of inches from the
exposed ground. - ....ANSWER...8
(2021 IRC Section R317.1 #2)
The flame spread index of wall and ceiling finishes shall
not be greater than and the smoke-developed index
shall not be greater than . Tests conducted shall
conform with ASTM E 84 or UL . - ....ANSWER...200,
450, 723
(2021 IRC Section R302.9.1; R302.9.2; R302.9.3)
3/4 inch thick wood structural panels used as subfloor
sheathing shall be fastened to floor framing using
4
EXAM 2025 ACTUAL EXAM COMPLETE
EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
Where would I find the requirements for wood panel wall
sheathing used to resist wind pressures? -
....ANSWER...Table R602.3(3)
Braced wall panels shall begin a maximum of
from the end of a braced wall line - ....ANSWER...10 feet
Where would I find ledger bolt size and spacing? -
....ANSWER...Figure R606.11(1)
Where would I find the allowable spans for lintels
supporting masonry veneer? - ....ANSWER...Table
R703.8.3.1
Where would I find the specifications for bracing
methods? - ....ANSWER...Table R602.10.4
1
,Where would I find the minimum stud thickness for cold
formed steel walls? - ....ANSWER...Table R603.3.2
What is the minimum vent area for a roof? -
....ANSWER...1/150 of square footage
Notches along the length of a solid lumber joist shall not
exceed of the depth of the member -
....ANSWER...1/6
Where collar ties are used to connect opposing rafters,
they shall not be spaced more than feet on center. -
....ANSWER...4
(2021 IRC Section R802.4.6)
Attic access for buildings with combustible roof
construction shall have the rough-framed opening be not
less than inches by inches. -
....ANSWER...22, 30
(2021 IRC Section R807.1)
2
,5/8 inch wood structural panels used as roof sheathing
shall be attached using common nails. -
....ANSWER...8d
(2021 IRC Table R602.3(1) Item #32)
Two-family dwellings provided with an automatic
sprinkler system shall have the units separated by a wall
and floor assembly having a fire-resistance rating of not
less than . - ....ANSWER...1/2 hour
(2021 IRC Section R302.3 Exception #1)
In crawl spaces, wood floor joists shall be either of
naturally durable wood or preservative-treated wood
unless located inches or more from the exposed
ground. - ....ANSWER...18
(2021 IRC Section R317.1 #1)
True or False. Fireblocking material can consist of one-
quarter inch gypsum board. - ....ANSWER...FALSE
(2021 IRC Section R302.11.1 #5)
3
, The ends of floor joists bearing on wood or metal shall not
have less than inches bearing. - ....ANSWER...1 1/2
(2021 IRC Section R502.6)
When wood columns rest directly on concrete exterior
foundation walls, they shall be of pressure-treated wood
unless they are located a minimum of inches from the
exposed ground. - ....ANSWER...8
(2021 IRC Section R317.1 #2)
The flame spread index of wall and ceiling finishes shall
not be greater than and the smoke-developed index
shall not be greater than . Tests conducted shall
conform with ASTM E 84 or UL . - ....ANSWER...200,
450, 723
(2021 IRC Section R302.9.1; R302.9.2; R302.9.3)
3/4 inch thick wood structural panels used as subfloor
sheathing shall be fastened to floor framing using
4
