Page 474 - 2018_IRC

CHIMNEYS AND FIREPLACES

2 FT MIN.
K BOND
BEAM E
MORTAR CAP MASONRY CAP BRICK BLOCK
R

CLEARANCE
EFFECTIVE L
P
FLUE AREA 10 FT MIN.
K BOND BEAM FLASHING 8 IN. B
S ANCHORAGE
WIDTH OF FIREPLACE
OPENING
PLAN VIEW
FLUE LINING
MORTAR CAP
K BOND BEAM
K BOND BEAM HORIZONTAL
S ANCHORAGE 2 FT MIN. J REINFORCING TIES
CLEARANCE
10 FT MIN. R
HORIZONTAL
J REINFORCING TIES DETAIL FOR
FULL MASONRY VERTICAL
WALL H REINFORCING
FLASHING
ANCHOR STRAP
M WALL THICKNESS VENEER TIE
PARGE WITH CLEARANCE DETAIL WITH
MORTAR R WOOD S
MATERIAL
8 IN. MIN.
ANCHORAGE 2½ IN.
BOLTS EACH STRAP
SMOKE FLUE LINER
G
CHAMBER
½ IN. MIN.
THERMAL CLEARANCE R 6 IN. MIN.
DISTANCE 21
VERTICAL 8 IN.
H IN. MIN. PARGE
REINFORCING J HORIZONTAL
WITH REINFORCING TIES
MORTAR 8 IN. MIN.
F MEASURE HEIGHT ½ IN. MIN.
FIREBOX WALL OF FREE STANDING 4 IN. MIN.
E THICKNESS LINTEL L FIREPLACE FROM 4 IN. THICK MASONRY UNITS
HEARTH TOP OF FOOTING
HEARTH 20 IN. FIREPLACE F
MIN. FIREBRICK EXTENSION OPENING H VERTICAL REINFORCING
C HEIGHT LINTEL L 20 IN. LAP IF SPLICED TO
HEARTH SLAB HEARTH FOOTING DOWELS
A EXTENSION FIREBOX WALL
THICKNESS C
E THICKNESS
D T FOOTING WIDTH
HEARTH SLAB 18 IN. MIN. 6 IN. AROUND
ASH DUMP OPTIONAL T
CLEAN OUT REINFORCEMENT GRADE FREE STANDING FIREPLACE
FOOTING DEPTH T
T FOOTING WIDTH FOOTING WIDTH T NATURAL
GRADE
BARS IN CONCRETE
T HEARTH 20 IN. MIN.
FOOTING
BRICK FIREBOX AND CHIMNEY— BRICK FIREBOX AND BLOCK CHIMNEY—
SECTIONAL SIDE VIEW ON WOOD FLOOR SECTIONAL SIDE VIEW ON CONCRETE SLAB
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm.
FIGURE R1001.1
FIREPLACE AND CHIMNEY DETAILS
2018 INTERNATIONAL RESIDENTIAL CODE ® 449
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