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5
Minimum Clearances from the Vent Pipe to
Combustible Materials
For Vertical
For Horizontal Sections Sections At Wall Firestops
Top Bottom Sides Top Bottom Sides
3 inches 1 inch 1 inch 1 inch 2-1/2 inches 1/2 inch 1 inch
(75 mm) (25 mm) (25 mm) (25 mm) (63.7 mm) (13 mm) (25 mm)
For minimum clearances, see the direct vent
termination clearance diagrams on pages 19 and 21 in
this section.
Step 2
Framing the
Fireplace
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.
CAUTION
MEASURE FIREPLACE DIMENSIONS, AND
VERIFY FRAMING METHODS AND WALL
COVERING DETAILS, BEFORE FRAMING
CONSTRUCTION BEGINS.
A
B
C
Framing should be
constructed of 2 X 4
lumber or heavier.
The framing
headers may rest
on the fireplace
stand-offs.
Model A B C D
6000 Models 42 38-1/4 22 26-1/4
Figure 3. Framing Dimensions
NOTE: DIMENSIONS SHOWN IN INCHES