Table 3
MASONRY MINIMUM CAVITY SIZE
6.TMWG.9
PLAN VIEW
D
raw
ings
No
tTo
Sc
al
e
min 2 x 100 x 50mm or 80mm diam wall
or
floor
mounted air vents
concrete block
or hebel block
air vents
air vents
air vents
air vents
Fig. 12
Y
Fig. 13
Y
Fig. 11
PLAN - RECESS DETAIL
Fig. 14
min. 25mm clearance
25
25
min. 25mm clearance
B + recessed
Masonry or Hebel block
minimum ‘A’
‘X’ - Refer toTable 2 for Floor Protector dimension
RECESS REQUIRED (40mm Min. 100mm Max)
Allow gas line into
firebox
(if applicable)
Air Vent
‘Y’ - Refer toTable 2 for
Floor Protector dimension
Air Vent
min. 2 x 100 x 50mm or 80mm diam
wall of floor mounted air vents
Dra
wi
ngs
N
ot
To
Sca
le
MODEL
A
B
Temporary
Lintel
X min* Y min*
Z min*
700
800
470
1200
400
1100
75
850
950
530
1200
450
1250
75
1050IGC **
1150
450
1200
300
1450
8
1050LL
1150
565
1200
600
1450
75
1050U
1150
565
1200
600
1450
75
1200
1300
785
1500
750
1600
75
1500
1600
800
1500
850
1900
75
**1050IGC box is
ONLY
available for a GAS installation