19
DVRTSB Bay Window Fireplace
10003848
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. (Fig. 34) If an attic is above ceiling
level a 7DVAIS (Attic Insulation Shield)
must be installed.
TWL101a
Twist Lock Pipe
2/8/99 djt
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
Fig. 33
Roof flashing.
FP1029
attic insulation shield
firestop spacers
1/28/00 djt
Attic Insulation
Shield
Upper Floor
11”
(279mm)
Joist
Firestop Spacer
Nails (4)
FP1029
Fig. 34
Attic insulation shield and firestop spacer installation.
11”
(279mm)
Содержание DVRTSB
Страница 34: ...34 DVRTSB Bay Window Fireplace 10003848...