VERTICAL THRU THE ROOF INSTALLATION
1.Locate your fireplace.
2.Plumb to centre of the (4") collar from ceiling above and mark position.
3.Cut opening equal to
4.Proceed to plumb for additional openings through the roof. In all cases, the opening must provide a minimum of 1 inch clearance to the vent pipe, i.e., the hole must be a minimum of
5.Place firestop(s) 7DVFS into position and secure. (Fig. 54)
6.Install roof support (Fig. 52) and roof flashing making sure upper flange of flashing is below the shingles. (Fig. 55)
7.Install appropriate pipe sections until above the flash- ing. (See Fig. 53 for #'s 7, 8 and 9).
8.Install storm collar and seal around the pipe.
9.Add additional vent lengths for proper height.
10.Apply high temperature sealant to 4" and 7" collars of vent termination and install.
Attic |
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|
Insulation |
|
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Shield | 11" |
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| JOIST |
Ceiling | 11" | UPPER FLOOR |
Installation |
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| |
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| JOIST |
FIRESTOP
SPACER
NAILS (4) | Fig. 54 |
Fig. 54 If there is a room above ceiling level, firestop spacer must be installed on both the bottom and the top side of the ceiling joists. If an attic is above ceiling level a 7DVAIS (Attic Insulation Shield) must be installed.
Fig. 55. The enlarged ends of the vent section always face downward.
SHEETMETAL 
SCREWS (#5) Ñ
3 PER JOINT
SEALANT
STORM COLLAR
Fig. 55
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