Page 390 - 2018_IRC

WALL COVERING

TABLE R703.3(1)
SIDING MINIMUM ATTACHMENT AND MINIMUM THICKNESS
TYPE OF SUPPORTS FOR THE SIDING MATERIAL AND FASTENERS
NOMINAL Wood or wood
JOINT
SIDING MATERIAL THICKNESS TREATMENT structural Fiberboard Gypsum Foam plastic Direct Number or
(inches) panel sheathing sheathing sheathing to studs spacing of
sheathing into stud into stud into stud l fasteners
into stud
Anchored veneer: brick, Section
concrete, masonry or stone 2 R703.8 Section R703.8
(see Section R703.8)
Adhered veneer: Section
concrete, stone or masonry — R703.12 Section R703.12
(see Section R703.12)
Panel siding Section 6d common 6d common 6d common 6d common 4d common 6″ panel
1
(see Section 5 / 16 R703.10.1 (2″ × 0.113″) (2″ × 0.113″) (2″ × 0.113″) (2″ × 0.113″) (1 / ″ × edges 12″
2
R703.10.1) 0.099″) inter. sup.
Fiber cement
siding Lap siding 6d common
Section
6d common 6d common 6d common 6d common (2″ × 0.113″)
(see Section 5 / 16 R703.10.2 (2″ × 0.113″) (2″ × 0.113″) (2″ × 0.113″) (2″ × 0.113″) or 11 gage Note f
R703.10.2)
roofing nail
0.120″ nail 0.120″ nail 0.120″ nail 0.120″ nail 0.120″ nail 6″ panel
Hardboard panel siding 7 / — (shank) with (shank) with (shank) with (shank) with (shank) with edges 12″
(see Section R703.5) 16 d
0.225″ head 0.225″ head 0.225″ head 0.225″ head 0.225″ head inter. sup.
0.099″ nail 0.099″ nail 0.099″ nail 0.099″ nail 0.099″ nail Same as stud
Hardboard lap siding 7 / Note e (shank) with (shank) with (shank) with (shank) with (shank) with spacing 2
(see Section R703.5) 16
0.240″ head 0.240″ head 0.240″ head 0.240″ head 0.240″ head per bearing
Siding nail Siding nail h
Siding nail
Siding nail
1
1
0.019 b Lap 1 / ″ × 2″ × 0.120″ 2″ × 0.120″ 1 / ″ × Not allowed
2
2
Without 0.120″ 0.120″
insulation Siding nail Siding nail h Same as
Horizontal 0.024 Lap 1 / ″ × Siding nail Siding nail 1 / ″ × Not allowed stud
1
1
aluminum a 2 2″ × 0.120″ 2″ × 0.120″ 2
0.120″ 0.120″ spacing
Siding nail Siding nail Siding nail Siding nail h
With 1 1 1 1 Siding nail
1
2
insulation 0.019 Lap 1 / ″ × 2 / ″ × 2 / ″ × 1 / ″ × 1 / ″ × 0.120″
2
2
2
0.120″ 0.120″ 0.120″ 0.120″ 2
16 inches on
center or
0.120 nail 0.120 nail 0.120 nail 0.120 nail specified by
0.035 (shank) with (shank) with (shank) with (shank) with manufacturer
Insulated vinyl siding j (vinyl Lap a 0.313 head a 0.313 head a 0.313 head a 0.313 head Not allowed instructions,
siding
layer only) or 16-gage or 16-gage or 16-gage Section test report
h
h, i
h
crown crown crown R703.11.2 or other
sections of
this code
6d box nail
6d box nail
6d box nail
Not
6d box nail
3 / 8 — (2″ × 0.099″) (2″ × 0.099″) (2″ × 0.099″) (2″ × 0.099″) allowed
1 / — 6d box nail 6d box nail 6d box nail 6d box nail 6d box nail 6″ panel
Particleboard panels 2 (2″ × 0.099″) (2″ × 0.099″) (2″ × 0.099″) (2″ × 0.099″) (2″ × 0.099″) edges 12″
8d box nail 8d box nail inter. sup.
1
5 / 8 — 6d box nail (2 / ″ × (2 / ″ × 6d box nail 6d box nail
1
(2″ × 0.099″)
2
2
0.113″) 0.113″) (2″ × 0.099″) (2″ × 0.099″)
As specified
by the
manufacturer
Polypropylene siding k Not Lap Section Section Section Section Not instructions,
applicable 703.14.1 703.14.1 703.14.1 703.14.1 allowed test report
or other
sections of
this code
(continued)
2018 INTERNATIONAL RESIDENTIAL CODE ® 365
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