Majestic 33BDVR Installation Instructions And Homeowner's Manual page 19

Attic Insulation
Shield
Ceiling
Installation
11"
Fig. 32 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. 32)
The enlarged ends of the vent section
always face downward. (Fig. 33)
Fig. 33 Roof flashing.
10003357
Joist
11"
Upper Floor
Joist
Firestop Spacer
Nails (4)
CFM100
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
BDVR Series Direct Vent Gas Fireplace
Roof
2' Min.
Roof Support
Attic Insulation
40'
Shield
(12m)
Attic
Insulation
Joists
Fig. 34 Typical straight-up installation.
Fig. 35 Minimum termination to roof clearance.
Vent
Termination
Storm Collar
Roof
Flashing
Joists
FP1022
Min.
2' (610 mm)
FP1185
19