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6
Shrouds
WARNING! Risk of Fire!
as specified. Improper construction may overheat
chase top.
Shrouds may be field constructed where permitted by
regional building codes.
NOTICE:
Some regional codes require an agency-Listed
shroud. Consult your local building officials.
The shrouds must be constructed from minimum .018
in. (26 ga) thick aluminized steel.
Some shrouds require a radiation shield. Use where
specified.
A. Radiation Shield
Radiation shield must be constructed of minimum 26 ga
thick sheet metal.
Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap
Length x Width to fit inside shroud
Figure 6.1 Radiation Shield
B. Field Constructed Shrouds
The following field constructed shroud designs have
been tested for HHT fireplace systems and termination
caps.
26
Heat & Glo • BAY-40, PIER-40 Installation Manual • 4012-071 • Rev D • 10/03/13
Shrouds must be constructed
3 in. (76 mm) tall legs
1. Open Top Shroud
(TR11/TR11T caps require radiation shield)
14 1/2 in. (368 mm)
maximum height
3 in (76 mm)
minimum
Min. Opening
Base Dim.
TR11/11T
Min. Base Dims.
in
32 x 32
mm
813 x 813
Radiation Shield
Required
Min. Top Dims.
in
29 x 29
mm
737 x 737
Min. Opening Width
in
26 x 26
mm
660 x 660
Figure 6.2
Open Top Shroud Dimensions
TR11/TR11T caps require radiation shield unless in-
stalled partially above the shroud. The TR cap must be
raised to the minimum dimensions (or greater) above the
shroud. Refer to Figure 6.3.
(TR Series)
Maximum Height
14 1/2 in. (368 mm)
Shroud
Leg
Figure 6.3 Shroud & TR Series cap with no Radiation Shield
Min.
Top Dim.
Min.
Top Dim.
Min.
Width
Base Dim.
Min.
TR11/11T TV
26 x 26
660 x 660
23 x 23
584 x 584
20 x 20
508 x 508
6" Min.
Above the
Shroud.
Storm
(SHROUD)
Collar
Shroud
Leg
Flue
3 in (76 mm)
air space from
bottom of shroud
Chase Top
to top of chase.
Radiation
Shield
Min. Opening
Width
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