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Elevated surface temperatures
The below are surface temperatures of the area above the fireplace opening after a 3 hour burn period. Use
this guide in good faith to decide on an appropriate facing material and mantle. A cool wall release can aid
in lowering surface temperatures as shown.
Standard installation
NO RECESS
NON-COMBUSTIBLE FACING
NO FANS
Combustible header
Heat deflector
IMPORTANT
Temperatures
are based
off of the
minimum
enclosure size.
No fans
WARNING
Combustible facing material not allowed with standard minimum
10
Enclosure top
No materials
other than
venting
components
are permitted
in this area
Venting
ports
closed
DRSQ42
DRSQ46
Temp. above
Temp. above
opening
opening
16" 150°F
16" 160°F
12" 170°F
12" 180°F
8" 210°F
8" 210°F
4" 230°F
4" 230°F
chase
Vented installation (Cool Wall Release)
NO RECESS
COMBUSTIBLE FACING
NO FANS
VENTED CHASE
See chart for
opening size
Any material protruding into
gray area must be non-
combustible
Combustible header (Heat
deflector not required for this
install
Combustible Facing material
(Cement board underneath
optional when using a vented
chase)
NOTE
Temperatures taken from
a vented chase installation,
without a recess. No fans
IMPORTANT
Temperatures are based off of
a 7' enclosure size.
DRSQ42
DRSQ46
Temp. above
Temp. above
opening
opening
16" 90°F
16" 110°F
12" 100°F
12" 120°F
8" 115°F
8" 140°F
4" 130°F
4" 150°F
WARNING
Vented installations require that the chase inner wall must be
enclosed (no exposed insulation/vapour barrier) Follow local codes
Installation
DRSQ
DRSQ
42 46
Enclosure top
IMPORTANT
Leaving the
venting ports
open requires
a minimum
chase height
of 6' for
DRSQ42 and 7'
for DRSQ46
No
materials
other than
venting
components
are
permitted
in this area
Venting
ports
open
DRSQ42
DRSQ46
Min. chase
Min. chase
opening
opening
120sq inch
140sq inch
XG0232 - 043021
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