Minimum Clearances from the Vent Pipe to
Combustible Materials
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| For Vertical |
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| For Horizontal Sections | Sections | At Wall Firestops |
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| Top | Bottom | Sides |
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| 3 inches | 1 inch | 1 inch | 1 inch | 1/2 inch | 1 inch |
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| (75 mm) | (25 mm) | (25 mm) | (25 mm) | (63.7 mm) | (13 mm) | (25 mm) |
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Step 2
Framing the
Fireplace
For minimum clearances, see the direct vent termination clearance diagrams on pages 19 and 21 in this section.
Fireplace framing can be built before or after the fireplace is set in place. Framing should be positioned to accommodate wall coverings and fireplace facing material. The diagram below shows framing reference dimensions.
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CAUTION | MEASURE FIREPLACE DIMENSIONS, AND |
| VERIFY FRAMING METHODS AND WALL |
| COVERING DETAILS, BEFORE FRAMING |
| CONSTRUCTION BEGINS. |
The framing headers may rest on the fireplace
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| C |
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| Framing should be |
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| constructed of 2 X 4 |
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| lumber or heavier. |
Model | A | B | C | D |
6000 Models | 42 | 22 |
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NOTE: DIMENSIONS SHOWN IN INCHES | ||||
Figure 3. Framing Dimensions |
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