IRC FINAL PAPER EXAM 2025/2026 QUESTIONS
WITH ANSWERS GRADED A+
✔✔for townhouse separation, a parapet is not required when the roof sheathing is fire-
retardant-treated wood for distance of ______ feet on each side of the wall and there
are no penetrations in the roof within ______ feet of the wall - ✔✔4
4
✔✔openings from a private garage directly into a room used for ______ _______ shall
not be permitted - ✔✔sleeping purposes
✔✔doors between the garage and residence shall be equipped with a _______
_________ - ✔✔self-closing device
✔✔garages shall be separated from residences and attics by not less than ______=inch
gypsum board or equivalent applied to garage side - ✔✔1/2 inch
✔✔enclosed accessible space under stairs shall have walls, under-stair surface and
any soffits protected on the enclosed side _______-inch gypsum board - ✔✔1/2
✔✔in combustible construction, fire blocking shall be provided to cut off al concealed
draft openings and to form an effective fire barrier between ________ - ✔✔stories
✔✔all habitable rooms shall be provided with aggregate glazing area of not less than
______ percent of the floor area of such rooms - ✔✔8%
✔✔for natural ventilation for habitable rooms, the minimum openable area to the
outdoors shall be ______ percent of the floor area being ventilated - ✔✔4%
✔✔bathrooms .... shall be provided with aggregate glazing area in windows of not less
than ____ square feet, one-half of which must be operable - ✔✔3 sq. ft.
✔✔where the air infiltration rate of a dwelling unit is less than _____ air changes per
hour when tested, the dwelling unit shall be provided with _____ mechanical ventilation
- ✔✔whole-house
✔✔dwelling unite shall be provided with heating facilities capable of maintaining a
minimum room temperature of ______ F - ✔✔68 F
✔✔every dwelling unit shall have at least one habitable room that shall have not less
than _____ square feet or gross floor area - ✔✔120 sq. ft.
,✔✔other habitable rooms shalll have a floor area of not less than ______ square feet -
✔✔70 sq. ft.
✔✔habitable rooms shall not be less than _____ feet in any horizontal dimension - ✔✔7
ft.
✔✔habitable space, hallways, corridors, bathrooms, toilet rooms, laundry rooms and
portions of basements containing these spaces shall have a ceiling height of not less
than _____ feet - ✔✔7 ft.
✔✔for rooms with sloped ceilings, at least ____ percent of the required floor area of the
room must have a ceiling height of not less than 7 ft. - ✔✔50%
✔✔portions of basements that do not contain habitable space, hallways, bathrooms,
toilet rooms and laundry rooms shall have a ceiling height of not less than _____ feet
and _____ inches - ✔✔6 ft.
8 in.
✔✔every dwelling unit shall be provided with a water closet, lavatory, and a _____ or
_____ - ✔✔bathtub or shower
✔✔each dwelling unit shall be provided with a kitchen area and evert kitchen area shall
be provided with a _______ - ✔✔sink
✔✔showers and bathtubs with installed shower heads shall be finished with a
nonabsorbent surface, that shall extend to a height of not less than ______ feet above
the floor - ✔✔6 ft.
✔✔glazing in all fixed and operable panels of swinging, sliding and bifold doors shall be
considered a ______ _______ - ✔✔hazardous location
✔✔a pane of glass in a window requires safety glazing if the pane is greater than
___________ square feet with a bottom edge less than ____ inches above the floor and
a top edge greater than _______ inches above the floor - ✔✔9
18
36
✔✔glazing at the side of a stairway where the bottom exposed edge of the glazing is
less than ______ inches above the plane of the adjacent walking surface must be safety
glazing - ✔✔36
✔✔glazing less than _______ inches above the landing at the bottom of a stairway and
within ______ inches of the bottom tread must be safety glazing - ✔✔36
, 60
✔✔garage floor surfaces shall be of approved ______ material - ✔✔noncombustible
✔✔carports shall be open on at least _______ sides - ✔✔two
✔✔basements, habitable attics and every sleeping room shall have at least one
operable _______ _________ and _________ _________ - ✔✔emergency escape
rescue opening
✔✔where emergency escape and rescue openings are provided they shall have a sill
height of not more than _______ inches above the floor - ✔✔44 in.
✔✔all emergency escapes and rescue openings shall have a minimum net clear
opening of _______ square feet. Minimum opening height shall be _____ inches.
Minimum opening width shall be _____ inches - ✔✔5.7 sq. ft. net clear opening
24 in. net clear height
20 in. net clear width
✔✔window wells serving emergency escape and rescue openings shall be designed for
proper _________ - ✔✔drainage
✔✔the required egress door for each dwelling shall be side-hinged, and shall provide a
minimum clear width of ______ inches - ✔✔32 in.
✔✔the landing on the exterior side of the required egress door is permitted to be a
maximum of ________ inches below the top of the threshold provided the door does not
swing over the landing - ✔✔7 3/4
✔✔the minimum width of a hallway shall be not less than _____ feet - ✔✔3 ft.
✔✔a flight of stairs shall not have a vertical ride larger than _________ feet between
floor levels or landings - ✔✔12
✔✔there shall be a floor or ________ at the top and bottom of each stairway -
✔✔landing
✔✔for stairs with a straight run, the landing shall have a minimum dimension of
_________ inches measured in the direction of travel - ✔✔36 in.
✔✔ramps shall have a maximum slope of _______ unit vertical in _______ units
horizontal (8.3% slope) - ✔✔1:12
WITH ANSWERS GRADED A+
✔✔for townhouse separation, a parapet is not required when the roof sheathing is fire-
retardant-treated wood for distance of ______ feet on each side of the wall and there
are no penetrations in the roof within ______ feet of the wall - ✔✔4
4
✔✔openings from a private garage directly into a room used for ______ _______ shall
not be permitted - ✔✔sleeping purposes
✔✔doors between the garage and residence shall be equipped with a _______
_________ - ✔✔self-closing device
✔✔garages shall be separated from residences and attics by not less than ______=inch
gypsum board or equivalent applied to garage side - ✔✔1/2 inch
✔✔enclosed accessible space under stairs shall have walls, under-stair surface and
any soffits protected on the enclosed side _______-inch gypsum board - ✔✔1/2
✔✔in combustible construction, fire blocking shall be provided to cut off al concealed
draft openings and to form an effective fire barrier between ________ - ✔✔stories
✔✔all habitable rooms shall be provided with aggregate glazing area of not less than
______ percent of the floor area of such rooms - ✔✔8%
✔✔for natural ventilation for habitable rooms, the minimum openable area to the
outdoors shall be ______ percent of the floor area being ventilated - ✔✔4%
✔✔bathrooms .... shall be provided with aggregate glazing area in windows of not less
than ____ square feet, one-half of which must be operable - ✔✔3 sq. ft.
✔✔where the air infiltration rate of a dwelling unit is less than _____ air changes per
hour when tested, the dwelling unit shall be provided with _____ mechanical ventilation
- ✔✔whole-house
✔✔dwelling unite shall be provided with heating facilities capable of maintaining a
minimum room temperature of ______ F - ✔✔68 F
✔✔every dwelling unit shall have at least one habitable room that shall have not less
than _____ square feet or gross floor area - ✔✔120 sq. ft.
,✔✔other habitable rooms shalll have a floor area of not less than ______ square feet -
✔✔70 sq. ft.
✔✔habitable rooms shall not be less than _____ feet in any horizontal dimension - ✔✔7
ft.
✔✔habitable space, hallways, corridors, bathrooms, toilet rooms, laundry rooms and
portions of basements containing these spaces shall have a ceiling height of not less
than _____ feet - ✔✔7 ft.
✔✔for rooms with sloped ceilings, at least ____ percent of the required floor area of the
room must have a ceiling height of not less than 7 ft. - ✔✔50%
✔✔portions of basements that do not contain habitable space, hallways, bathrooms,
toilet rooms and laundry rooms shall have a ceiling height of not less than _____ feet
and _____ inches - ✔✔6 ft.
8 in.
✔✔every dwelling unit shall be provided with a water closet, lavatory, and a _____ or
_____ - ✔✔bathtub or shower
✔✔each dwelling unit shall be provided with a kitchen area and evert kitchen area shall
be provided with a _______ - ✔✔sink
✔✔showers and bathtubs with installed shower heads shall be finished with a
nonabsorbent surface, that shall extend to a height of not less than ______ feet above
the floor - ✔✔6 ft.
✔✔glazing in all fixed and operable panels of swinging, sliding and bifold doors shall be
considered a ______ _______ - ✔✔hazardous location
✔✔a pane of glass in a window requires safety glazing if the pane is greater than
___________ square feet with a bottom edge less than ____ inches above the floor and
a top edge greater than _______ inches above the floor - ✔✔9
18
36
✔✔glazing at the side of a stairway where the bottom exposed edge of the glazing is
less than ______ inches above the plane of the adjacent walking surface must be safety
glazing - ✔✔36
✔✔glazing less than _______ inches above the landing at the bottom of a stairway and
within ______ inches of the bottom tread must be safety glazing - ✔✔36
, 60
✔✔garage floor surfaces shall be of approved ______ material - ✔✔noncombustible
✔✔carports shall be open on at least _______ sides - ✔✔two
✔✔basements, habitable attics and every sleeping room shall have at least one
operable _______ _________ and _________ _________ - ✔✔emergency escape
rescue opening
✔✔where emergency escape and rescue openings are provided they shall have a sill
height of not more than _______ inches above the floor - ✔✔44 in.
✔✔all emergency escapes and rescue openings shall have a minimum net clear
opening of _______ square feet. Minimum opening height shall be _____ inches.
Minimum opening width shall be _____ inches - ✔✔5.7 sq. ft. net clear opening
24 in. net clear height
20 in. net clear width
✔✔window wells serving emergency escape and rescue openings shall be designed for
proper _________ - ✔✔drainage
✔✔the required egress door for each dwelling shall be side-hinged, and shall provide a
minimum clear width of ______ inches - ✔✔32 in.
✔✔the landing on the exterior side of the required egress door is permitted to be a
maximum of ________ inches below the top of the threshold provided the door does not
swing over the landing - ✔✔7 3/4
✔✔the minimum width of a hallway shall be not less than _____ feet - ✔✔3 ft.
✔✔a flight of stairs shall not have a vertical ride larger than _________ feet between
floor levels or landings - ✔✔12
✔✔there shall be a floor or ________ at the top and bottom of each stairway -
✔✔landing
✔✔for stairs with a straight run, the landing shall have a minimum dimension of
_________ inches measured in the direction of travel - ✔✔36 in.
✔✔ramps shall have a maximum slope of _______ unit vertical in _______ units
horizontal (8.3% slope) - ✔✔1:12
