Astria.US.com
126727-01_D
10
PRE-INSTALLATION
Continued
Figure 2 - Framing Clearances for One Sided Application
Figure 3 - Framing Clearances for See-Thru Application
Figure 5 - Clearances for Combustible Mantels
Figure 4 - Installing Concrete Board
Concrete
Board
Ref.
Mantel
Depth Ref.
Mantel from
Top of Opening
1
12"
A 24" (610 mm)
2
9"
B 21" (554 mm)
3
6"
C 18" (458 mm)
4
4"
D 16" (407 mm)
5
2"
E 14" (356 mm)
A
B C
D E
1
2
3
4
5
Wall
8"
Combustible
Material May
Be Used
TOP VIEW
SAFE
ZONE
Perpendicular
Wall
33°
4" to Face Opening
5"
53
1
/
4
"
(1353 mm)
*53
1
/
4
"
(1353 mm)
38"
(965 mm)
38"
(965 mm)
STUDS MOUNTED (FLAT)
INSIDE OF NAILING FLANGE
15
1
/
4
"
(387 mm)
MOUNTED INSIDE OF
NAILING FLANGE
(FLAT)
MOUNTED OUTSIDE
OF NAILING FLANGE
13
3
/
4
"
(349 mm)
*Please refer to overall fireplace width (Figure 6, page11) before
rough framing construction.
