Clearances to Combustibles
SECTION 3
FRAMING
#SP-41-L
R.6 February 2022
14
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
3.4 Clearances to Combustibles
Table 3.1, Minimum Appliance Clearances to Combustible Material
From appliance top stand-offs
0”
0mm
From facing material 1” (25mm) stand-off flange
0”
0mm
From appliance back stand-offs
0”
0mm
From appliance corners
1/4”
6mm
From appliance front
36”
914mm
From appliance top to ceiling
25”
653mm
A 45° projection from appliance sides
0”
0mm
Appliance sides to adjacent sidewall
4-1/2”
114mm
Fireplace enclosure floor to 3/4” (19mm) trim
37-1/8”
943mm
Mantel 6” (152mm) deep from fireplace enclosure floor
40-1/2”
1030mm
Base of the fireplace to ceiling
76”
1930mm
Rigid pipe venting to enclosure top for minimum horizontal terminations
5”
126mm
15
½
”
(394mm)
½
”
(14mm)
41”
(1041mm)
54
½
”
(1384mm)
¼
”
(6mm)
12
1⁄8
”
(308mm)
26
7⁄8
”
(682mm)
38
½
”
(978mm)
15
½
”
(394mm)
½
”
(14mm)
41”
(1041mm)
41”
(1041mm)
TYPICAL VERTICAL INSTALLATION
TYPICAL HORIZONTAL INSTALLATION
TYPICAL CORNER INSTALLATION
FIGURE 3.3
Typical Installation Options
Nominal 2“ x 4” framing used in enclosure framing
