Matrix
Insert
Installation
and
Operation
Manual
______________________________________________________________________________
39
Data
for
Floor
Protection
Calculation
MINIMUM
EXTENDED
A
B
(Note
1)
C
D
E
AIR
JACKET
INCHES
Dimension
of
the
hearth
extension
CAN:
18"
USA:
16"
0"
D
=
B
‐
(A
‐
C)
14"
Flush
with
fireplace
facing
MILLIMETRES
CAN:
457
mm
USA:
406
mm
0
mm
D
=
B
‐
(A
‐
C)
356
mm
MAXIMUM
EXTENDED
A
B
(Note
1)
C
D
E
AIR
JACKET
INCHES
Dimension
of
the
hearth
extension
CAN:
18"
USA:
16"
2"
/
4"
D
=
B
‐
(A
‐
C)
10"
/
12"
Back
from
fireplace
facing
2"
or
4"
(
51
or
102
mm)
MILLIMETRES
CAN:
457
mm
USA:
406
mm
51
/
102
mm
D
=
B
‐
(A
‐
C)
254
/
305
mm
