Install Firestops - Heat & Glo 6TRSI-AUD Owner's Manual

F. Install Firestops
For Horizontal Runs - Firestops are REQUIRED on both
sides of a combustible wall through which the flue passes.
See Figure 10.13.
To install firestops (heat shield) for horizontal runs that pass
through either interior or exterior walls:
• Cut a 10 in. by 12 in. (254 mm X 305 mm) hole through
the wall.
• Position the firestops on both sides of the hole previously
cut and secure the firestops with nails or screws.
• The pipe opening of the firestops MUST BE placed
towards the bottom of the firestop.
• Continue the flue run through the firestop.
INTERIOR
WALL SHIELD
Figure 10.13 Flue Pipe & Firestop
For Vertical Runs - One firestop is REQUIRED at the hole
in each ceiling through which the flue passes.
To install firestops for vertical runs that pass through
ceilings:
• Position a plumb bob directly over the center of the verti-
cal flue component.
• Mark the ceiling to establish the centerpoint of the flue.
• Drill a hole or drive a nail through this center point.
• Check the floor above for any obstructions, such as wir-
ing or plumbing runs.
• Reposition the heater and flue system, if necessary, to
accommodate the ceiling joists and/or obstructions.
• Cut a 10 in. x 10 in. (254 mm X 254 mm) hole through
the ceiling, using the firestop pipe opening as a guide.
• Frame the hole with framing lumber the same size as
the ceiling joists.
10 in. (254 mm)
12 in. (305 mm)
Heat & Glo • 6TRSI-AUD, 6TRSILP-AUD • 2078-980 Rev. T • 11/15
10 in. (254 mm)
NEW
FRAMING
MEMBERS
CEILING
Figure 10.14 Hole and New Framing Members
If the area above the ceiling is NOT an attic, position
and secure the ceiling firestop on the ceiling side of the
previously cut and framed hole.
CEILING
NAILS (4 REQUIRED)
Figure 10.15 Ceiling Firestop (Ceiling Side)
If the area above the ceiling IS an attic, position and secure
the firestop on top of the previously framed hole.
CEILING
CEILING FIRESTOP
Figure 10.16 Attic Firestop
10 in. (254 mm)
CHIMNEY
HOLE
EXISTING CEILING
JOISTS
JOIST
CEILING FIRESTOP
NAILS (4 REQUIRED)
RAFTER
47