Heat & Glo RH-36 Series Owner's Manual page 28

E. Install Ceiling Firestops
CAUTION! Risk of Fire!
WARNING! Risk of Fire! DO NOT seal area between
enter the attic or leave the warm air envelope of the
ROOM ABOVE (non-insulated ceiling)
B
Ceilng firestop from
bottom
ATTIC ABOVE (insulated ceiling)
Ceiling firestop from
top
Note:
Use same dimensional lumber for framing
ceiling firestop and joists.
A
Catalog # mm
Figure 8.5 Installing the Ceiling Firestop
A
B
mm Angle