F13 RESIDENTIAL BUILDING CONTRACTOR
PREMIUM REVIEW SET 2026 TESTED
MATERIALS
◉ Stairway requirements. Answer: There shall be a floor or landing
at the top and bottom of each stairway.
◉ Habitable rooms minimum size. Answer: Habitable rooms shall
not be less than 7 ft in any horizontal direction.
◉ Fenestration maximum for climate zone 3. Answer: Fenestration
in climate zone 3 shall be a maximum of .32 U.
◉ Thermoplastic single-ply roofs standards. Answer: Thermoplastic
single-ply roofs shall be installed in accordance with ASTM D3909.
◉ Nail type for fastening. Answer: Top plate to top plate 16 inch on
center face nail fastening shall use 16d common nails.
◉ Garage separation from residence. Answer: A garage shall be
separated from the residence and its attic area by not less than 1/2
in of gypsum board or the equivalent applied to the garage side.
,◉ Hearth extensions dimensions. Answer: Hearth extensions shall
extend at least 12 in in front and at least 6 in beyond each side of the
fireplace opening.
◉ Grade from foundation walls. Answer: The grade from foundation
walls shall be a minimum of 6 in within the first 10 ft.
◉ Minimum grade from foundation walls. Answer: 6 in within the
first 10 ft.
◉ Collar ties spacing. Answer: Not more than 8 ft on center.
◉ Minimum floor area for habitable rooms. Answer: Not less than 50
sq ft.
◉ Minimum thickness of masonry bearing walls. Answer: 8 in for
walls more than one story high.
◉ Structural log members compliance. Answer: Shall comply with
ICC 400.
◉ Permit requirement for one-story detached accessory structure.
Answer: Not required if floor area does not exceed 120 sq ft.
, ◉ Access requiring removal of obstruction. Answer: Signifies
'Accessible'.
◉ Solid wood doors between garage and residence. Answer: Not less
than 1 3/8 inches or 20 minutes fire rated.
◉ Minimum bearing for rafters or ceiling joists. Answer: Not less
than 1 1/2 in.
◉ Minimum bearing for floor joist, beam or girder. Answer: Not less
than 1 1/2 in.
◉ King and Jack studs dimension requirement. Answer: Shall be of
the same dimension and thickness as adjacent wall studs.
◉ Final inspection timing. Answer: Shall be made after permitted
work is considered complete and prior to occupancy.
◉ Nosing requirement on stairways. Answer: Not less than 1/2 in
but not more than 1 1/4 in.
◉ Maximum riser height on stairways. Answer: Shall be 7 3/4 in.
◉ Minimum width of a hallway. Answer: Shall not be less than 3 ft.
PREMIUM REVIEW SET 2026 TESTED
MATERIALS
◉ Stairway requirements. Answer: There shall be a floor or landing
at the top and bottom of each stairway.
◉ Habitable rooms minimum size. Answer: Habitable rooms shall
not be less than 7 ft in any horizontal direction.
◉ Fenestration maximum for climate zone 3. Answer: Fenestration
in climate zone 3 shall be a maximum of .32 U.
◉ Thermoplastic single-ply roofs standards. Answer: Thermoplastic
single-ply roofs shall be installed in accordance with ASTM D3909.
◉ Nail type for fastening. Answer: Top plate to top plate 16 inch on
center face nail fastening shall use 16d common nails.
◉ Garage separation from residence. Answer: A garage shall be
separated from the residence and its attic area by not less than 1/2
in of gypsum board or the equivalent applied to the garage side.
,◉ Hearth extensions dimensions. Answer: Hearth extensions shall
extend at least 12 in in front and at least 6 in beyond each side of the
fireplace opening.
◉ Grade from foundation walls. Answer: The grade from foundation
walls shall be a minimum of 6 in within the first 10 ft.
◉ Minimum grade from foundation walls. Answer: 6 in within the
first 10 ft.
◉ Collar ties spacing. Answer: Not more than 8 ft on center.
◉ Minimum floor area for habitable rooms. Answer: Not less than 50
sq ft.
◉ Minimum thickness of masonry bearing walls. Answer: 8 in for
walls more than one story high.
◉ Structural log members compliance. Answer: Shall comply with
ICC 400.
◉ Permit requirement for one-story detached accessory structure.
Answer: Not required if floor area does not exceed 120 sq ft.
, ◉ Access requiring removal of obstruction. Answer: Signifies
'Accessible'.
◉ Solid wood doors between garage and residence. Answer: Not less
than 1 3/8 inches or 20 minutes fire rated.
◉ Minimum bearing for rafters or ceiling joists. Answer: Not less
than 1 1/2 in.
◉ Minimum bearing for floor joist, beam or girder. Answer: Not less
than 1 1/2 in.
◉ King and Jack studs dimension requirement. Answer: Shall be of
the same dimension and thickness as adjacent wall studs.
◉ Final inspection timing. Answer: Shall be made after permitted
work is considered complete and prior to occupancy.
◉ Nosing requirement on stairways. Answer: Not less than 1/2 in
but not more than 1 1/4 in.
◉ Maximum riser height on stairways. Answer: Shall be 7 3/4 in.
◉ Minimum width of a hallway. Answer: Shall not be less than 3 ft.
