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10
Shrouds
A. Radiation Shield
• Some shrouds require a radiation shield. Use where
specified.
B. Field Constructed Shrouds
WARNING! Risk of Fire! Shrouds must be constructed as
specified. Improper construction may overheat chase top.
• 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.
• Hearth & Home Technologies Inc. supplies UL listed
shrouds. See your dealer for details.
• Different shroud designs have been tested for Hearth
Technologies fireplace systems using the TR11 and TR11T
termination caps.
• The shrouds must be constructed from a minimum .018
in. (26 ga) thick aluminized steel.
• The wire mesh is optional but recommended and must be
.018 in. thick minimum with mesh no larger than 1/2 in.
(13 mm).
Open Top Shroud (TR342 & TR11/TR11T caps require radiation shield)
3 in (76 mm)
minimum
Min. Opening
Base Dim.
Figure 10.2 Open Top Shroud Dimensions
36
Min.
Top Dim.
Min.
Top Dim.
Min.
Width
Base Dim.
Min.
Heatilator • Birmingham BIR42 • 4059-308 Rev J • 1/11
Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap
Figure 10.1 Radiation Shield
Min. Opening
Width
3 in. (76 mm) tall legs
Length x Width to fit inside shroud
TR11/11T
Min. Base Dims.
in
32 x 32
813 x 813
mm
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
TR11/11T TV
26 x 26
660 x 660
23 x 23
584 x 584
20 x 20
508 x 508
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