Page 383 - 2018_IRC

WALL CONSTRUCTION

FACING MATERIAL IN
ACCORDANCE WITH EXPANSION GAP
1 /8 IN. CONTINUOUS SEALANT
R610.3.2
EACH SIDE EACH PANEL

8d NAIL AT 6 IN. O.C. EACH SURFACE SPLINES 3 IN. MINIMUM
SIDE OF SIP CONTINUOUS WIDTH STRIP. SAME AS FACING
MATERIAL
SEALANT
8d NAIL AT 6 IN. O.C. EACH
SIDE OF SIP
SURFACE SPLINE
FACING MATERIAL IN
ACCORDANCE WITH EXPANSION GAP
1 /8 IN.
R610.3.2

BLOCK SPLINE
CONTINUOUS
SEALANT
8d NAIL AT 6 IN. O.C. EACH
8d NAIL AT 6 IN. O.C. EACH SIDE OF SIP
SIDE OF SIP BLOCK SPLINE
For SI: 1 inch = 25.4 mm.
FIGURE R610.8
TYPICAL SIP WALL PANEL-TO-PANEL CONNECTION DETAILS

TABLE R610.8
7
MAXIMUM SPANS FOR 11 / -INCH OR DEEPER SIP HEADERS (feet) a, c, d
8
BUILDING b
LOAD CONDITION SNOW LOAD (psf) width (feet)
24 28 32 36 40
2 0 4 4 4 4 2
3 0 4 4 4 2 2
Supporting roof only
5 0 2 2 2 2 2
70 2 2 2 DR DR
20 2 2 DR DR DR
30 2 2 DR DR DR
Supporting roof and one-story
5 0 2 D R D R D R D R
70 DR DR DR DR DR
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square foot = 0.0479 kPa.
DR = Design Required.
a. Design assumptions:
Maximum deflection criterion: L/240.
Maximum roof dead load: 10 psf.
Maximum ceiling load: 5 psf.
Maximum ceiling live load: 20 psf
Maximum second-floor live load: 30 psf.
Maximum second-floor dead load: 10 psf.
Maximum second-floor dead load from walls: 10 psf.
Maximum first floor dead load: 10 psf.
Wind loads based on Table R301.2(2).
Strength axis of facing material applied horizontally.
b. Building width is in the direction of horizontal framing members supported by the header.
c. The table provides for roof slopes between 3:12 and 12:12.
d. The maximum roof overhang is 24 inches (610 mm).

358 2018 INTERNATIONAL RESIDENTIAL CODE ®
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.