Heat & Glo Fireplace XLR-PLUS-PB-AU - Manual (Page 31)

31 Heat & Glo • XLR-PLUS-N-AU, XLR-PLUS-PB-AU • 2264-900 Rev. o • 1/13
Note: Heat shields MUST overlap by a minimum of 1-1/2 in. (38 mm).
• SLP heat shield - designed to be used on a wall 4-3/8 in. to 7-5/8 in. (111 mm to
194 mm) thick.
• If wall thickness is less than 4-3/8 in. (111 mm) the existing heat shields must be
field trimmed. If wall thickness is greater than 7-5/8 in. (194 mm) a DVP-HSM-B will
be required.
2-1/2 in. (64 mm)
top clearance
1/2 in. (13 mm)
clearance
bottom & sides
1 in
(25 mm)
bottom
clearance
Heat
Shield
Wall
Shield
Firestop
Heat
Shield
WALL
3 in. (76 mm)
top clearance
1 in. (25 mm)
clearance around
vertical sections
A. Pipe Clearances to Combustibles
WARNING! Risk of Fire! Maintain air space clearance to
vent. DO NOT pack insulation or other combustibles:
• Between ceiling firestops
• Between wall shield firestops
• Around vent system
Failure to keep insulation or other material away from
vent pipe may cause over heating and fire.
8
Vent Clearances and Framing
Figure 8.2 Wall Penetration
* Shows center of vent framing hole for top venting. The center of the hole
is 1 in. (25 mm) above the center of the horizontal vent pipe.
Figure 8.1 Horizontal Venting Clearances To Combustible
Materials
A* B
48 in.
(1220 mm)
47-1/4 in
(1200 mm)
A
10 in.
(254 mm)
B
DO NOT PACK WITH
INSULATION OR
OTHER MATERIAL
10 in.
(254 mm)
B. Wall Penetration Framing
Combustible Wall Penetration
Whenever a combustible wall is penetrated, you must
frame a hole for the wall shield firestop(s). The wall shield
firestop maintains minimum clearances and prevents cold
air infiltration.
• The opening must be framed on all four sides using the
same size framing materials as those used in the wall
construction.
• SLP pipe - A wall shield firestop must be placed on each
side of an interior wall. A minimum 1-1/2 in. (38 mm)
overlap of attached heat shields must be maintained.
• See Section 10.K. for information for regarding the in-
stallation of a horizontal termination cap.
Non-Combustible Wall Penetration
If the hole being penetrated is surrounded by noncom-
bustible materials such as concrete, a hole with diameter
10 in. (254 mm) greater than the pipe is acceptable.
Whenever a non-combustible wall is penetrated, the wall
shield firestop is only required on one side and no heat
shield is necessary.