IRC Building Code 2025 UPDATE| COMPREHENSIVE QUESTIONS AND
IRC Building Code
VERIFIED ANSWERS (COMPLETE SOLUTIONS) GUARANTEED
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SUCCESS |GRADE A+!! (100% ACCURATE) GET IT RIGHT!!
1. In Seismic Design Categories D0, D1, and D2, _____ Rubble
stone masonry walls shall not be used.
R404.1.1.1 Masonry foun-
dation walls.
2. In Seismic Design Categories Do, D1 and D2, founda- #4
tions with stem walls shall be provided with a mini- #4
mum of one No. ___ bar within 12 inches of the top of
the wall and one No. ___ bar located 3 to 4 inches from R403.1.3.1 Foundations
the bottom of the footing. with stemwalls
3. The grade away from foundation walls shall fall a min- 6 in.
imum of ___ inches within the first ____ feet. 10 ft.
(Read exception)
R401.3 Drainage
4. In flood hazard areas, enclosed areas below the de- Parking of vehicles
sign flood elevation shall be used sole for: Building access or
1._____ Storage
2._____
3._____ R322.3.5 Enclosed areas
below design flood eleva-
tion.
5. Address number shall be a minimum of ___ inches 4 in.
high with a minimum stroke of ____inch. 1/2 in.
R319.1 Address numbers
6. Protection of wood and wood based products from ___ Decay
shall be provided by the use of naturally durable wood
or wood that is preservative treated. R317.1 Location required
, IRC Building Code
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7. Dwelling Units in two-family dwellings shall be sepa- 1 hour
rated from each other by wall and/or floor assemblies
having not less than ___-hour fire resistive rating. R302.3 Two family
dwellings
8. In areas where the probability of termite infestation 6 in.
is "very heavy", the clearance between foam plastics
installed above grade and exposed earth shall be at R318.4 Foam plastic pro-
least ____ inches. tection
9. A thermal barrier is not required for foam plastic insu- Repairs or maintenance
lation in an attic that is entered only for purposes of
____ or ____. R316.5.3 Attics
10. Foam plastic shall be separated from the interior of Thermal barrier
a building by an approved ____ ____ of minimum ____- 1/2 in.
inch gypsum wallboard.
R316.4 Thermal barrier
11. All exterior footings shall be placed at least ___ inches 12 in.
below the undisturbed ground surface. (Where applicable, the
dept of footings shall also
conform to R403.1.4.1 -
R403.1.4.2)
R403.1.4 Minimum length
12. The top surface of footings shall be level. The bottom 1:10
surface of footings shall not have a slope exceeding R403.1.5 Slope
____ unit vertical in ____ units horizontal.
13. Wood sill plates shall be anchored to the foundation 6 ft.
with anchor bolts spaced a maximum of ____ feet on
center.
, IRC Building Code
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R403.1.6 Foundation an-
chorage
14. Foundation anchor bolts shall be at least ___ inch in 1/2 in.
diameter and shall extend a minimum of ___ inches 7 in.
into the concrete or grouted cells of concrete masonry
units. R403.1.6 Foundation an-
chorage
15. Isolated hollow masonry piers shall have a minimum 8 in.
nominal thickness of ____ inches. R404.1.9 Isolated mason-
ry piers.
16. Hollow masonry piers shall be capped with ____ inches 4 in.
of solid masonry or concrete or a masonry cap block. As an alternative, the cav-
ities of of the top course
must be filled with con-
crete or grout.
R404.1.9.1
17. The studs used in wood foundation walls shall be 2-inch by 6-inch
____-inch by ____-inch members.
R404.2.2 Stud size
18. Wood sill plates shall be a minimum of ____-inch by 2-inch by 4-inch
____-inch nominal lumber.
R404.3 Wood sill plates
19. Perforated foundation drains shall be surrounded Filter membrane
with an approved ____ ____. (or the filter membrane
shall cover the washed
gravel or crushed rock
covering the drain)
IRC Building Code
VERIFIED ANSWERS (COMPLETE SOLUTIONS) GUARANTEED
Study online at https://quizlet.com/_63mu3
SUCCESS |GRADE A+!! (100% ACCURATE) GET IT RIGHT!!
1. In Seismic Design Categories D0, D1, and D2, _____ Rubble
stone masonry walls shall not be used.
R404.1.1.1 Masonry foun-
dation walls.
2. In Seismic Design Categories Do, D1 and D2, founda- #4
tions with stem walls shall be provided with a mini- #4
mum of one No. ___ bar within 12 inches of the top of
the wall and one No. ___ bar located 3 to 4 inches from R403.1.3.1 Foundations
the bottom of the footing. with stemwalls
3. The grade away from foundation walls shall fall a min- 6 in.
imum of ___ inches within the first ____ feet. 10 ft.
(Read exception)
R401.3 Drainage
4. In flood hazard areas, enclosed areas below the de- Parking of vehicles
sign flood elevation shall be used sole for: Building access or
1._____ Storage
2._____
3._____ R322.3.5 Enclosed areas
below design flood eleva-
tion.
5. Address number shall be a minimum of ___ inches 4 in.
high with a minimum stroke of ____inch. 1/2 in.
R319.1 Address numbers
6. Protection of wood and wood based products from ___ Decay
shall be provided by the use of naturally durable wood
or wood that is preservative treated. R317.1 Location required
, IRC Building Code
Study online at https://quizlet.com/_63mu3
7. Dwelling Units in two-family dwellings shall be sepa- 1 hour
rated from each other by wall and/or floor assemblies
having not less than ___-hour fire resistive rating. R302.3 Two family
dwellings
8. In areas where the probability of termite infestation 6 in.
is "very heavy", the clearance between foam plastics
installed above grade and exposed earth shall be at R318.4 Foam plastic pro-
least ____ inches. tection
9. A thermal barrier is not required for foam plastic insu- Repairs or maintenance
lation in an attic that is entered only for purposes of
____ or ____. R316.5.3 Attics
10. Foam plastic shall be separated from the interior of Thermal barrier
a building by an approved ____ ____ of minimum ____- 1/2 in.
inch gypsum wallboard.
R316.4 Thermal barrier
11. All exterior footings shall be placed at least ___ inches 12 in.
below the undisturbed ground surface. (Where applicable, the
dept of footings shall also
conform to R403.1.4.1 -
R403.1.4.2)
R403.1.4 Minimum length
12. The top surface of footings shall be level. The bottom 1:10
surface of footings shall not have a slope exceeding R403.1.5 Slope
____ unit vertical in ____ units horizontal.
13. Wood sill plates shall be anchored to the foundation 6 ft.
with anchor bolts spaced a maximum of ____ feet on
center.
, IRC Building Code
Study online at https://quizlet.com/_63mu3
R403.1.6 Foundation an-
chorage
14. Foundation anchor bolts shall be at least ___ inch in 1/2 in.
diameter and shall extend a minimum of ___ inches 7 in.
into the concrete or grouted cells of concrete masonry
units. R403.1.6 Foundation an-
chorage
15. Isolated hollow masonry piers shall have a minimum 8 in.
nominal thickness of ____ inches. R404.1.9 Isolated mason-
ry piers.
16. Hollow masonry piers shall be capped with ____ inches 4 in.
of solid masonry or concrete or a masonry cap block. As an alternative, the cav-
ities of of the top course
must be filled with con-
crete or grout.
R404.1.9.1
17. The studs used in wood foundation walls shall be 2-inch by 6-inch
____-inch by ____-inch members.
R404.2.2 Stud size
18. Wood sill plates shall be a minimum of ____-inch by 2-inch by 4-inch
____-inch nominal lumber.
R404.3 Wood sill plates
19. Perforated foundation drains shall be surrounded Filter membrane
with an approved ____ ____. (or the filter membrane
shall cover the washed
gravel or crushed rock
covering the drain)
