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

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

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Image 20
Hearth and Home Technologies GDST3831I owner manual Mantel and Wall Projections, TOP View Fireplace Opening