Hearth
Extension
The
manufacturer
offers
no
hearth
extension
product
or
material
for
this
product.
In
the
event
a
hearth
extension
is
desired
use
C.M.U.
or
metal
framing
material
as
specified
above
under
“Framing”
above.
At
no
time
should
combustible
building
material
be
less
than
24”
in
front
of
the
fire
chamber.
At
no
time
should
any
portion
of
a
hearth
extension
be
elevated
above
any
portion
of
the
fire
chamber.
As
pictured
above
a
typical
installation
has
the
fireplace
kit
baseplate
at
3
½
inches
plus
a
firebrick
lining
with
mortar
bed
at
2
½
inches
for
a
total
of
6
inches
of
non
‐
combustible
build
up
for
a
decorative
hearth
extension
veneer.
This
veneer
must
be
of
non
‐
combustible
materials.
The
HEARTH
EXTENSION
AREA
must
extend
a
MINIMUM
of
8”
beyond
each
side
of
the
firebox
opening.
Additional
Clearances
Clearance
from
front
of
fireplace
to
combustible
sidewall
is
28”.
Mantel
Requirements
A
decorative
mantel
may
be
installed
above
the
opening
of
this
fireplace
providing
it
is
a
MAXIMUM
of
10”
from
the
front
edge
of
the
mantel
to
the
wall
and
a
MINIMUM
of
12”
above
the
opening.
Inspection
and
Maintenance
Please
contact
a
professional
chimney
sweep
at
least
once
each
year
to
inspect
and
make
recommendations
regarding
the
maintenance
of
your
outdoor
fireplace.
In
the
event
you
have
added
a
decorative
chimney
termination
or
rain
cap
to
your
fireplace
please
be
prepared
to
inform
the
chimney
sweep
as
to
the
best
method
to
perform
his
inspection/maintenance.