Page 397 - 2018_IRC

WALL COVERING

ROOFING

WALLBOARD

MIN. CLEARANCE
OF ¾-IN. 1-IN. AIRSPACE OR
METAL TIE b 1-IN. GROUTED SPACE c

WATER-RESISTIVE BARRIER b
MASONRY VENEER

WALLBOARD
WATER-RESISTIVE BARRIER b
FLASHING a
INSULATION
BETWEEN STUDS
STEEL LINTEL d

WEEPHOLE a

SEALANT
MASONRY VENEER
For SI: 1 inch = 25.4 mm.
a. See Sections R703.4, R703.8.5 and R703.8.6.
b. See Sections R703.2 and R703.8.4.
c. See Table R703.8.4 and Section R703.8.4.2.
d. See Section R703.8.3.
e. Figure R703.8 illustrates typical construction details for a masonry veneer wall. For the actual mandatory requirements of this code, see the indicated
sections of text. Other details of masonry veneer wall construction shall be permitted provided the requirements of the indicated sections of text are met.

FIGURE R703.8—continued
TYPICAL MASONRY VENEER WALL DETAILS e

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R703.8.2.1 Support by steel angle. A minimum 6-inch tion or two / -inch (11.1 mm) bolts with washers for
16
5
by 4-inch by / -inch (152 mm by 102 mm by 8 mm) cold-formed steel construction. The steel angle shall
16
steel angle, with the long leg placed vertically, shall be have a minimum clearance to underlying construction of
anchored to double 2-inch by 4-inch (51 mm by 102 1 / inch (1.6 mm). Not less than two-thirds the width of
16
mm) wood studs or double 350S162 cold-formed steel the masonry veneer thickness shall bear on the steel
studs at a maximum on-center spacing of 16 inches (406 angle. Flashing and weep holes shall be located in the
mm). Anchorage of the steel angle at every double stud masonry veneer in accordance with Figure R703.8.2.1.
7
spacing shall be not less than two / -inch-diameter (11 The maximum height of masonry veneer above the steel
16
mm) by 4-inch (102 mm) lag screws for wood construc- angle support shall be 12 feet 8 inches (3861 mm). The
372 2018 INTERNATIONAL RESIDENTIAL CODE ®
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