Vertical Through-The-Roof Installation - Majestic 360DVS2 Installation Instructions & Homeowner's Manual

Vertical Through-the-Roof
Installation
1. Locate your fireplace.
2. Plumb to center of the (4") flue collar from ceiling
above and mark position.
3. Cut an opening equal to 9
240 mm).
4. Proceed to plumb for additional openings through
the roof. In all cases, the opening must provide a
minimum of 1" (25 mm) clearance to the vent pipe,
i.e., the hole must be at least 9
x 240 mm).
5. Place fireplace into position.
6. Place firestop(s) #7DVFS or Attic Insulation Shield
#7DVAIS into position and secure (Fig. 36).
7. Install roof support (Fig. 34) and roof flashing
making sure upper flange is below the shingles
(Fig. 35).
8. Install appropriate pipe sections until the venting is
above the flashing (Fig. 35).
9. Install storm collar and seal around the pipe.
10. Add additional vent lengths for proper height
(Fig. 33).
11. Apply high temperature sealant to 4" and 7" collars
of vertical vent termination and install.
Typical Roof
Support
Application
Fig. 34 Chimney support
Sheetmetal
Screws (#5)
(3 per joint)
Sealant
Storm
Collar
Fig. 35 Roof flashing
10002547
Vermont Castings, Majestic Products, 360DVS Series
3 3
/ " x 9 / " (240 mm x
8 8
3 3
/ " x 9 / " (240 mm
8 8
Typical Ceiling
Support
Application
CFM110
Sheetmetal
Screws (#5)
(3 per joint)
Sealant
Storm
Collar
DV storm collars
If there is a room above ceiling level, a
firestop spacer must be installed on both
the bottom and the top sides of the
ceiling joists (Fig. 36). If an attic is above
ceiling level, a 7DVAIS (Attic Insulation
Shield) must be installed.
NOTE: The enlarged ends of the vent sections
are to always face downward.
Attic
Installation
Shield
11"
Ceiling
Installation
Fig. 36 Firestops and attic insulation shield
JOIST
11"
UPPER FLOOR
JOIST
FIRESTOP
SPACER
NAILS (4)
CFM100
21