6
Clearances
Mantel Clearances and Wall Details
PRE-INSTALLATION
PREPARATION
CLEARANCES
Minimum clearances to combustibles are: |
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• | Top of Spacers | 0" min. |
• | Back and Sides of Outer Surround | 0" min. |
• | Drywall to Sides of Front Face (Nailing Flanges) ... 0" min. | |
• | “B” Vent Surfaces | 1" min. |
• | Ceiling to Opening | 42" min. |
• | Floor | 0" min. |
• | Perpendicular Wall | See Figure 6 |
CAUTION: Do not block required air spaces with insulation or any other material. Do not obstruct effective opening of appliance with any type of facing material.
2 x 4 Stud
Nailing
BackFlange
0" Clearance
Left Side
Surround
0"
MANTEL CLEARANCES AND WALL DETAILS
A combustible mantle shelf maybe installed a maximum 12" (229mm) from the wall. Figures 5 and 6 show the minimum allowable distances from various combustible mantle components in relation to the fireplace opening.
12" | Combustible |
(229mm) | Materials |
Header
6" (152mm)
13"
8"Spacer
3" (76mm)
1 1/2"
(38mm) Max.
Front Face | Drywall |
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Figure 3 - Minimum Clearances (Top View) | Figure 5 - Mantel Clearances - Side View (Cross Section) | |
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| 1" (25mm) Min. | TOP VIEW |
| Clearance to | |
| "B" Vent’s Outer Pipe |
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Ceiling |
| Outer Surround |
| Combustible | |
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42" (1067mm) |
| Material May |
| Be Used |
Min. Clearance from Opening to Ceiling
0" Clearance |
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* | * | * |
DO NOT BLOCK
OR OBSTRUCT
OPENINGS
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| 1 1/2" (38mm) |
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| Required Air | Max. | 3" (76mm) |
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| Spaces are |
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| Indicated with |
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| 6" (152mm) |
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| an "*". Do Not |
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| Pack with |
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| Insulation or Any |
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| 9" | ||||||
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| Other Material |
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12"
SAFE
ZONE
Perpendicular
Wall
0" Clearance to Wood or Noncombustible Flooring
Figure 6 - Side Clearances - Top View (Cross Section)
Figure 4 - Minimum Clearances (Front View)
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