DVS 30-2 DVS-36& DVS-42FRAMING AND FINISHING, Installing Support Brackets Figure

DVS-36 & DVS-42 FRAMING AND FINISHING

Installing Support Brackets (Figure 34)

A horizontal pipe support MUST BE used for each 3 feet of horizontal run. The pipe supports should be placed around 8 inch diameter pipe and nailed in place to framing members. There MUST BE a 3 inch clearance to combustibles above 8 inch diameter pipe and elbows and 1 inch clearance on both sides and bottom of 8 inch pipe to combustibles on all horizontal pipe sections and elbows.

Vertical runs of this vent systems must be supported every 4 feet above the appliance flue outlet by wall brackets attached to the 8 inch vent pipe and secured with nails or screws to structural framing members.

PIPE STRAP

	STUD WALL
48"	1" MIN.
(1219mm)	(25.4mm)

FLUE OUTLET

Figure 34

10 3/8

12 3/8

Installing Firestops (Figures 35, 36, 37 and 38)

Firestops are required for safety whenever the vent system passes through an interior wall, an exterior wall, or a ceiling. These firestops act as a firebreak heat shield and as a means to insure that minimum clearances are maintained to the vent system.

Cut a 10-3/8 inch x 12-3/8 inch hole in wall. Position firestop (SD- 1249) on interior side of wall for 10-3/8 inch x 12-3/8 inch hole. Attention: Wall firestop hole is off-set towards bottom of wall opening. Secure with nails or screws. Continue the vent run through the firestop. (See Figure 35)

Vertical runs of this system which pass through ceilings require the use of ONE (1) ceiling firestop at the hole in each ceiling through which the vent passes.

Position a plumb bob directly over the center of the vertical vent component and mark the ceiling to establish the center point of the vent. Drill a hole or drive a nail through this center point and check the floor above for any obstructions such as wiring or plumbing runs. Reposition the fireplace and vent system, if necessary, to accommodate ceiling joists and/or obstructions.

EXISTING CEILING JOISTS

NEW FRAMING

	"
10	1/2
267mm

10	1/2"
267mm

CEILING BELOW

Figure 36

101/2"

267mm

10	1/2"
267mm

NAILS, 4 REQUIRED

WALL FIRESTOP
HOLE IS OFF-SET TOWARDS
BOTTOM OF WALL OPENING.	CEILING FIRESTOP
Figure 35	Figure 37

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