Hearth and Home Technologies CFX-Crescent owner manual Step Framing Fireplace, Framing Dimensions

Minimum Clearances from the Vent Pipe to

Combustible Materials

For Horizontal Sections			For Vertical	At Wall Firestops
			Sections
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)

Step 2

Framing the

Fireplace

For minimum clearances, see the direct vent termination clearance diagrams on pages 21 and 22 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.

CAUTION	MEASURE FIREPLACE DIMENSIONS AND
	VERIFY FRAMING METHODS AND WALL
	COVERING DETAILS BEFORE FRAMING
	CONSTRUCTION BEGINS.

46 3/4 (REF)

B

D

Shows center of 10” x 10” vent framing holes for top venting.

Framing should be constructed of 2 X 4 lumber or heavier.

A

C

A	B	C	D
35 1/2”	43 5/8”	19 5/8”	47 3/4”
(902mm)	(1108mm)	(498mm)	(1213mm)

Figure 3. Framing Dimensions

12 Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07