August 13, 2018
7062-197G
9
Explorer I
B. Hearth Protection Requirements
FLOOR PROTECTION:
It is necessary to install a Type II
floor protector.
Floor protector must be non-combustible material of a
minimum of 3/8 inch (10mm) thick, with a minimum R value
of 1.06 extending under the appliance to a minimum of 16
inches (406mm) in front of glass, and 8 inches (203mm)
to both sides of the fuel loading door. Open the door and
measure 8 inches (203mm) from the side edge of the
opening in the face of the appliance;
*See exception.
In Canada (Figure 9.2),
similar floor protection must be
provided 18 inches (457mm) in front and 8 inches (203mm)
from the sides and rear of the appliance unless reduced by
the
Clearance to Combustibles
on page 10.
*EXCEPTION:
Non-combustible floor protections must
extend beneath the flue pipe when installed with horizontal
venting and extend 2 inches (51mm) beyond each side;
See Figure 9.2.
WARNING
Fire Risk.
Hearth pads must be installed exactly as specified.
High temperatures or hot embers may ignite
concealed combustibles.
Figure 9.1
Figure 9.4
Figure 9.3
Figure 9.2
Figure 9.5
Figure 9.6
Corner hearth pad dimensions with single wall pipe
Corner hearth pad dimensions with double wall pipe
USA, minimum flat wall hearth pad
dimensions
*Canada, flat wall hearth pad
dimensions with double wall
horizontal venting
**this dimension will vary depending
installation.
33-1/4 in
minimum
Fuel door opening
37-7/8 in
minimum
8 in
8 in
16 in
from fuel door
opening
16 in
from fuel door
opening
17-1/4 in
USA
16 in
from the fuel door
opening
47-1/4 in
17-1/4 in
35-1/8 in
58-1/4 in
CANADA
457mm
from the fuel door
opening
1323mm
679mm
842mm
1531mm
203mm
203mm
457mm
from fuel door
opening
1086mm
minimum
1166mm**
minimum
679mm
minimum
679mm
minimum
Must extend 51mm
beyond each side of
pipe (shaded area) to
the wall thimble.
Must extend 51mm
beyond each side of
pipe (shaded area) to
the wall thimble.
USA
16 in
from the fuel door
opening
42-3/4 in
17-1/4 in
30-5/8 in
51-7/8 in
CANADA
457mm
from the fuel door
opening
1208mm
679mm
728mm
1369mm
