Heat & Glo LifeStyle HST-42D owner manual Radiation Shield, Field Constructed Shrouds

10 Shrouds

A. Radiation Shield

•Some shrouds require a radiation shield. Use where specified.

•Radiation shield must be constructed of minimum 26 ga sheet metal.

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.

•The following field constructed shroud designs have been tested for Hearth Technologies fireplace systems and 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, 1/2 in. mesh.

Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap

3 in. (76 mm) tall legs

Length x Width to fit inside shroud

Figure 10.1 Radiation Shield

Open Top Shroud (TR342 caps require radiation shield)

TS345

TR342

TR342/344TV

Min.

Top Dim.

Min. Base Dims.

Min.

ni

23x23

28 x

28

26 x 26

Top Dim.

mm

584x584

711 x

711

660x660

Min. Opening

RadiationShield

Width

Required

3 in (76 mm)

Min. Top Dims.

minimum

ni

20x20

25 x

25

23 x 23

Min. Opening

mm

508x508

635 x

635

584x584

Min.

Width

Base Dim.

Min. Opening Width

Min.

ni

17x17

22 x

22

20 x 20

Base Dim.

mm

432x432

559 x

559

508x508

Figure 10.2 Open Top Shroud Dimensions

36 Heat & Glo • HST-42D • 27177 • Rev AG • 7/12