When
installing a fireplace
~II
an
21ea where :he
oirtside
temperature
falis
below
32
degrs~s Fahrenheit,
i:
is
essential
that
you pro:cc: the fireplace's metal bottom
from cold air by io1lou:ing one
of
the
fo!lo~~,b..g
>:ose?vies:
Set the
iireplac:
on
a
114"
or
larger plymoo6
8s
shr?;,~, in
Figure
17;
or
Using
a
silicone caolki?~ rnats~ai, rated
to
i~.riperatures
exceeding
350",
caulk
the
bortom
seams
of
GI=
fireplace
between
the
base
pan
and
oriicr
caikg
as
shown
in
Fiz:,g:;rz
17
NOTE:
DO
YOT
S2T
T3E
FIRZPL4CE
OS
k
CONCRETE
STJSFLOOX
'MITROUT
THERMAL
PROTECTION.
USE
A
114"
PLYWOOD
OR
EQUIVALENT.
For areas
with
sub-zero temperatures, Marco reccx-
mends
that
the
outer lvallr and
:he
ceiling of the chase be
insulated.
inspect
the
Outsid-
Air;
Gas
he;
azd
"I?
u.jtq
wired for
fms,
the
"i"
Box Coi.cr
to
ensure
a
tizht
fit. Zlse
the cr~lking material to
carPiu!ly
sea1 2:om.d each
of
hem
ro
eilsure
:hat
no
cold
r&s
will
leak
into
t;?e Fjehox.
In~ii!~t3
ihe
gap
icft
be?-ge,e;i
i5e.
sies
of
the
fiiqjace
(see
Figure
l7h).
if
tilt gap
is
too
small to effectively
insulate, it may
be
caullzed
with
the
high
temperaturz
silicone or equivalent cau1kn.g rn?terizi.
WARNIXG:
BE
CAREFUL
KOT
TO
LET
THE
1NSUL.ATlOX
MATERIAL
COME
[M
COST.ACT
WI'TH
THE
FIREPLACE
IN
TRE
REQZ1iRED
AIR
SFACSS.
C;,icf;iI:y
chcck
md
cxcli:
all crack& around the
fireplzcs
u-5cre
-aid
air
cm?d
enter
i;r
133n
3s
iilip~va~-i
in
Fig:]"
19.
:is
a
hsl
csurion,
63
d?.ish
:rim
sround :he Sont of i'rle
fireplace should be
ca:ef;lliy
caulked between the triln
md
the
fi;splace
ra
pre-~mit the
eatq
of
cold sir arid/or
the esczpe
of
warm
air.
G:
DO
NOT
USE
A
BLO:%T-IN
TlTE
OF
INSCLATION.
TKlS
TlTE
OF
IXSLZATIOX
C0bI.D
PLUG
TEE
BOLES
AT
TEE
EASE
OF
TKE
CMM-
SEY
AS3
IhTEKFERE
WIT11
TRERMAL
SPHOY-
ING.
FIGURE 18
i
f i r e - p a r t s . c o m
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