Majestic 33LDVR Installation Instructions And Homeowner's Manual page 21

Max.
(.4m)
45°
Max.
8'
(.4m)
45°
Typical Offset Installation
Fig. 36 Typical vertical roof applications.
FP1021
Vertical Through-the-Roof Installation
Typical vertical
through the roof
1. Locate your fireplace.
application
. Plumb to center of the (4") flue collar from ceiling above
3/26/00 djt
and mark position.
3. Cut opening equal to 9³⁄₈" x 9³⁄₈" (40 x 40mm).
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 at least 9³⁄₈" x 9³⁄₈" (40 x 40 mm).
5. Place fireplace into position.
6. Place firestop(s) #7DVFS or Attic Insulation Shield
#7DVAIS into position and secure. (Fig. 37)
7. Install roof support (Fig. 38 & 39) and roof flashing
making sure upper flange is below the shingles. (Fig.
38)
8. Install appropriate pipe sections until the venting is above
the flashing. (Fig. 38)
9. Install storm collar and seal around the pipe.
10. Add additional vent lengths for proper height. (Fig
40)
11. Install vertical vent termination.
10007317
8'
Typical Ceil-
ing Support
40'
Application
(1m)
Typical Roof
Support Ap-
plication
Attic Insulation
Shield
Ceiling Instal-
lation
FP101
Fig. 37 Place firestop spacer(s) and secure.
If there is 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. 37)
The enlarged ends of the vent section always
face downward. (Fig. 38)
Fig. 38 Roof flashing.
LDVR Series Direct Vent Gas Fireplace
Joist
11"
Upper Floor
11"
Firestop Spacer
Nails (4)
CFM100
Firestop-Vertical
09/20/00
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
Twist Lock Pipe
2/8/99 djt
Joist
CFM100
TWL101a
1