Code Book Flashcards
What is the minimum thickness of a slab on grade?
Pg 108 R506.1
3.5”
Footing should rest on soil that is
Pg 70 R403.1
Undisturbed, natural, or engineered fill
The bottom of foundation or footings should be a minimum of
Pg 74 R403.1.4
12 inches below finished grade
The slope away from the foundation should be
Pg 69 R401.3
minimum of 6” within first 10 ft (or 5%)
Minimum thickness of a masonry weight-bearing wall should be
Pg 147 R606.4.1
6”
Minimum thickness of standard solid non-bearing glass block
Pg 157 R607.3.1
3 7/8”
Weepholes should be provided a MAX of on-center spacing
Pg 245 R703.8.6
48”
Minimum support of a single brick tie for a multiple wythe wall
Pg 156 R606.13.2.1
One tie for each 4.5 SF
Minimum distance of untreated siding to grade
Pg 61 R317.1 ex. 5
6”
Minimum distance of untreated framing to grade
Pg 61 R317 ex. 5
6 “
Minimum distance of untreated floor joists from grade
Pg 61 R317.1 ex 1
18”
Minimum distance of untreated girders from grade
Pg 61 R317.1 ex 1
12”
Clearance for girders entering masonry or concrete walls
Pg 61 R317.1 ex 4
1/2”
Holes bored in top or bottom of joists shall not be within ____ of the top or bottom of the member
Pg 104 R502.8.1
2”
Maximum diameter of hole in a joist
Pg 104 R502.8.1
1/3 depth
Maximum notch in top or bottom of joist away from the edge
Pg 104 R502.8.1
1/6 depth
Notches in joists can not be placed in the
Pg 104 R502.8.1
middle third of span
Minimum thickness of particle board underlayment
Pg 108 R503.3.2
1/4”
Minimum uniform live load in residential sleeping area
Pg 41 R301.5
30 PSF
What is the maximum size hole that can be bored into a 4” nominal stud in a non-load-bearing wall?
Pg 124 R602.6(2)
60% of actual 3.5
2.1”
What is the maximum size hole that can be bored into a 4” nominal stud in a load bearing wall?
Pg 124 R602.6(2)
40% of actual 3.5
1.4”
Minimum offset of end joints in double top plates
Pg 118 R602.3.2
24”
Maximum moisture content of lumber
Pg 250 R802.1.5.10
19%
Minimum nominal size of fire blocking
Pg 46 R302.11.1.1
2” (or 2x1x4)
Height of chimney where it passes through the roof
Pg 297 R1003.9
3’
Gage of metal roof valley flashing
Pg 287 R905.7.6
26 gage
Spacing of nails on the edge of plywood roof sheathing
Pg 118 R602.3(2)
6” on center
Minimum width of open metal valley lining
Pg 284 R905.2.8.2
24”
Minimum and maximum spacing of wood shingles
Pg 286 R905.7.5
1/4” to 3/8”
Wood shakes or shingles, use
Pg 287 R905.8.6
2 nails
Using a single layer of felt underlayment, MIN roof for asphalt shingles
Pg 280 905.1.1
33%
Minimum slope is 4:12, anything less is flat
A wall that extends beyond the finished deck is known as a ____ wall
Parapet
Anchor roof to masonry
Pg 152 R 606.6.4.2.2
1/2” bolt
Minimum size egress window on the grade floor
Pg 53 R310.1.1
5 SF
Minimum size egress window on the second floor and above
Pg 53 R310.1.1
5.7 SF
Height of protective bar, from floor, used with glazing
Pg 50 R308.4.3 exc 2
34 - 38”
Fireplace opening that is 5.7 SF, hearth extends _____
Pg 294 R1001.10
16”
Fireplace opening that is 6.0 SF or more, hearth extends _____
Pg 294 R1001.10
20 “
Porches require a guardrail if over
Pg 57 R312.1.1
30”
Minimum height of a ceiling in a kitchen
Pg 48 R305.1 exc. 1
7 FT
