Page 5
Installing into an existing cavity
New
-
Cavity Clearances to Combustibles
Masonry
or
Build
(F): from top of opening (inside)
275
mm (min)
(
G
): from
side of opening
(outside)
105
m
m
(min)
(
H
): from
top of opening (outside)
230
mm (min)
(I): from side of opening (inside)
150mm (min)
As the S
ofia
Insert Wood Pellet Fire is typically installed
in
to
a
m asonry cavity
,
it
can still be
installed into
a
compliant cavity that will house the fi re and the frame.
The front facia of the enclosure must be made of a
fir
eproof rated board (above 80°C) such as (but not
limited to)
Prom
ina
,
Micore, Supalux or Eterpan, and
this must
(A) Width:
10
6
0mm (min)
(B) Depth
:
5
75
mm (min)*
* Includes 100mm clearance from rear of fl ue spigot
,
box
.
s
w
o
ll
a
r
o
f
a
m
m
0
0
1
ll
a
w
s
s
e
n
k
c
i
h
t
d
n
a
If this measurement is
less than 500mm, a custom surround
will be required.
Ensure that extra depth required at ‘B’ is also added to the
hearth measurement “K”.
B
A
D
I
I
F
G
O
E
D
G
H
N
Wall Opening
(D) Width:
7
6
0 mm
(E) Height:
625
mm
Additional Clearances to Combustibles
(K): from exhaust spigot to cavity wall
100mm
(L): from side of
fi
re to cavity wall
150
m
m
(M): hearth depth from front of glass
150mm
N
( ): hearth
width
950mm
O
( ): hearth
depth m
o
r
f
l
l
a
w
195
mm
WALL WALL WALL WALL WALL WALL WALL WALL
N
K
L
M
O
Built-in
fi re clearances don’t apply in a non-combustible cavity. The
above clearance to combustibles on the
flue
are only applicable
within the fire cavity
. Clearance outside this, eg at a ceiling/wall
thimble reverts to 25mm as per ARS fl ue test 05/1185.
If installing a fl oating
hearth, ensure sufficient clearance is left belo
w
the file to allow for installation of the chosen surround,
Surround Dimensions
Retro Surround
950
mm (w) x 6
80
mm (h)
x
46
mm (d)
extend to a minimum
of
3
2
0mm above the top of the fi.
re
Within the cavity,
there must be a minimum of
3
2
0mm
clearance to combustibles above the fire,
and
a
minimum 600mm
ga p
between the top of the fire and
the ceiling of the cavity. The cavity also requires a
minimum of
2 x
100cm
2
ventilation.
(not required for
masonry cavity)
(Masonry
- 7
4
0mm)
(Masonry - 600mm)
(Masonry -
51
0mm)
