10
07/20
7101-802G
HEARTH EXTENSION
(MINIMUM EMBER PROTECTION)
SIDE
TRIM (3” max depth)
SIDE W
ALL
TOP TRIM (3/4” max depth)
24-1/4 in
(616mm)
23-3/4 in
(603mm)
34-3/4 in
(883mm)
USA 38-1/4
CANADA 46-1/4 (1175mm)
Figure 3.14
HEARTH EXTENSION
(EMBER PROTECTION)
FIREPLA
CE FR
ONT SURF
ACE
MANTEL
(12” max depth)
3 in
(76mm)
3 in
(76mm)
47-3/4 in
(1213mm)
47-3/4 in
(1213mm)
USA 17-1/2
CANADA 19-1/2
(495mm)
40-3/4 in
(1035mm)
40-3/4 in
(1035mm)
Figure 3.15
Figure 3.16
C
D
A
B
Table 3.1
Minimum Opening Dimensions
Inches Millimeters
A
Height
23 3/8
594
B
Front Width
32
813
C
Back Width
24-1/8
613
D
Depth
(Steel Surround)
18-1/8
460
Depth
(Cast Surround)
17-7/8
454
NOTE:
Clearances may only be reduced by means
approved by the regulatory authority having jurisdiction
NOTE:
If trim measurement is over 3/4 in (19mm) in
depth use mantle or side clearances to combustibles.
NOTE:
Minimum opening dimensions include a 1/4 inch
(6mm) clearance around unit.
B. Clearances to Combustibles
In Canada a full length 6 inch (152mm) S635 flue liner
required as per ULC S628.
In USA a minimum 5 ft length (1.82m), 6 inch (152mm)
diameter flue liner is required as per UL 1482.
United States and Canada (UL and ULC)
To calculate mantel height requirement, multiply the
depth of the mantel by 0.78 inches then add 38.375
inches to the total.
Fire Risk.
• Comply with all minimum clearances to
combustibles as specified.
• Failure to comply may cause house fire.
WARNING
!
