Hearth Protection Requirements - Quadra-Fire EXPLORER I Installation Manual

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.
USA, minimum flat wall hearth pad
dimensions
33-1/4 in
minimum
Fuel door opening
8 in
16 in 16 in
from fuel door from fuel door
opening opening
17-1/4 in
Figure 9.1
*Canada, flat wall hearth pad
dimensions with double wall
horizontal venting
1086mm
minimum
203mm 203mm
457mm
from fuel door
opening
679mm 679mm
minimum minimum
Figure 9.2
**this dimension will vary depending
installation.
August 13, 2018
37-7/8 in
minimum
8 in
47-1/4 in
USA
Figure 9.3
Must extend 51mm Must extend 51mm
beyond each side of beyond each side of
Corner hearth pad dimensions with double wall pipe
pipe (shaded area) to pipe (shaded area) to
the wall thimble. the wall thimble.
1166mm**
minimum
42-3/4 in
USA
Figure 9.4
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.
Fire Risk.
Hearth pads must be installed exactly as specified.
High temperatures or hot embers may ignite
concealed combustibles.
Corner hearth pad dimensions with single wall pipe
58-1/4 in
35-1/8 in
17-1/4 in
51-7/8 in
30-5/8 in
17-1/4 in
7062-197G
WARNING
1323mm
679mm
CANADA
Figure 9.5
1369mm
1208mm
679mm
CANADA
Figure 9.6
Explorer I
1531mm
842mm
728mm
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