Hearth and Home Technologies GDST3831I Mantel and Wall Projections, TOP View Fireplace Opening

D. Mantel and Wall Projections

WARNING! Risk of Fire! Comply with all minimum clear- ances as specified. Framing or finishing material closer than the minimums listed must be constructed entirely of noncom- bustible materials (i.e., steel studs, concrete board, etc).

Note: All
measurements
in inches.	CEILING
	MAX.
	12
	11

TOP VIEW

FIREPLACE	3-1/4 in.
OPENING
	Min.

Note: Clearance from opening to perpendicular wall.

1/2 in. Min.

Unlimited

		10
	8	9
7								32
6
5							12 13	MIN.
4						10 11
3		6	7	8	9
4	5
TOP OF HOOD OR FIREPLACE OPENING
Figure 5.3 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
Note: All
measurements					CEILING
in inches.
MAX.
					18
			12
			11
		10				32
		9
							MIN.
	8					14
						8
7				6	7
6		4	5

5			3
	2
4		1
TOP OF HOOD OR FIREPLACE OPENING

Figure 5.4 Minimum Vertical and Maximum Horizontal

Dimensions of Non-Combustibles

Figure 5.5 Combustible Mantel Leg or Wall Projections (Acceptable on both sides of opening)

SHEETROCK

3.5 in.

AIR SPACE REQUIRED

Figure 5.6 Non-Combustible Zone

20 Heatilator • GDST3831I • 2127-900 Rev. F • 10/08