Hearth and Home Technologies BIR42-B owner manual Install Attic Insulation Shield

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E. Install Attic Insulation Shield

Warning! Risk of Fire! You MUST install an attic in- sulation shield when there is any possibility of insulation or other combustible material coming into contact with the chimney.

•Do not pack insulation between the chimney and the attic insulation shield.

•Failure to keep insulation and other materials away from chimney pipe could cause fire.

•Do not offset chimney inside insulation shield.

Installation of a ceiling firestop is required

•Refer to Figures 8.6 - 8.8.

•Roll the shield around the chimney (if chimney is already installed) until you have a 3 in. (76 mm) overlap and the three holes on each side match up (large holes on top).

•Insert three screws into the matching holes to form a tube.

•Bend three tabs on the bottom of the tube inward to 90° to maintain chimney air space as shown in Figure 8.6.

•Rest the insulation shield on the ceiling firestop below.

•Bend the three short tabs at the top of the shield inward to 90° to maintain the 2 in. (51 mm) air space from the chimney.

•Bend the remaining top tabs to just meet the pipe.

If you wish to make a custom shield or barrier, follow these guidelines:

•Metal is preferred, although any material stiff enough to hold back the insulation can be used.

Warning! Risk of Fire! Use of cardboard or other materials that can deflect under humidity or other envi- ronmental conditions is not recommended.

•The shield or barrier must be tall enough to extend above the insulation and prevent blown-in insulation from spilling into the cavity.

•The shield should be affixed to building structure.

•Maintain specified air spaces around chimney.

•Check instructions and local codes for further details.

 

 

 

 

Bend remaining tabs

 

 

 

 

to rest against pipe to

Bend

 

inward

prevent insulation

90°

 

from falling in.

 

 

 

 

 

Insert three

 

 

 

 

screws

3 in. (76 mm) overlap

Figure 8.6 Prepare Attic Insulation Shield

 

 

Tabs bent in to

 

Pipe

rest against pipe

 

 

 

 

Attic Insulation Shield

 

 

17 in. (432 mm)

 

6 Tabs bent

diameter

 

in 90°

Ceiling Firestop

 

 

Insulation

Pipe

Insulation

13 in.

 

 

(330 mm)

 

 

Figure 8.7 Install Attic Insulation Shield Above the Ceiling

 

 

Tabs bent in to

 

 

rest against pipe

 

Pipe

 

 

 

Attic Insulation Shield

 

 

17 in. (432 mm)

 

 

diameter

 

6 Tabs bent

 

 

in 90°

 

Insulation

 

Insulation

13 in.

Pipe

Ceiling Firestop

(330 mm)

 

 

Figure 8.8 Install Attic Insulation Shield Below the Ceiling

Heatilator • Birmingham BIR42-B • 4059-681• 11/11

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Contents Fire Risk Hot screen/mesh and glass doors will cause burnsNumber Listing Label Information/LocationGrate Table of Contents Limited Lifetime Warranty  WarrantyWarranty Conditions Appliance Certification Listing and Code ApprovalsNon-combustible Materials Combustible MaterialsYour Fireplace Operating InstructionsStarting a Fire Seasoned WoodGrate FirescreenVented Gas Log Sets & Gas Log Lighters Glass DoorsOptional Components Clear SpaceHardwood vs Softwood Wood FuelDisposal of Ashes Maintenance and ServiceChimney Inspection/Cleaning Check Firebox Molded Brick Panel Glass CleaningInspect Grate Frequency As desiredStart Fire Problems Possible Cause Solution Troubleshooting GuideTypical Fireplace System Getting StartedNegative Pressure Design and Installation ConsiderationsDraft Windward Locating your Fireplace & ChimneyTypical Fireplace Components Tools and Supplies Needed Inspect Fireplace and ComponentsModel # Framing & ClearancesSelect Fireplace Location Air Space Clearances ClearancesFrame the Fireplace Sidewalls/SurroundsThings to Consider Installation of FireplacePosition the Fireplace Place Protective Metal Hearth StripsYES Outside Air Installation Install Outside Air KitChimney Assembly Height of Chimney Components Chimney RequirementsExample Using Offsets/ReturnsAssembling Chimney Sections Assemble Chimney SectionsInstalling the Ceiling Firestop Install Ceiling FirestopsPrepare Attic Insulation Shield Install Attic Insulation ShieldCut Out Hole in Roof Complete InstallationInstall Flashing Flat Roofs Chimney Termination RequirementsConstruct the Chase Chase InstallationsInstall Chase Top Install Fireplace & ChimneyST1175 Square Termination Cap Install Termination CapTCT1175 Terra Cotta Cap Field Constructed Shrouds ShroudsRadiation Shield Mailbox Style Shroud radiation shield required Install Hearth Molded Brick Panel Installation of Molded Brick PanelInstall Back Molded Brick Panel/Traditional Install Side Molded Brick Panel/TraditionalInstall Side Molded Brick Panel Herring- bone Install Back Molded Brick Panel Herring- boneInstall Mortar Optional Install Screens= 1/k x inches of thickness FinishingHearth Extension Framing Material Non-combustibleEquivalent insulation Finishing MaterialsNon-combustible Sealant Use only non-combustible framing material below standoffs Finishing MaterialStandoffs Combustible MantelAngle Gas Log/Lighter Provision AccessoriesWood Burning Inserts Gas Code, Ansi Z223.1Reference Materials Fireplace DimensionsID6 Insulated Duct Catalog # Chimney Components15-1/4 387 mm 31-3/4 806 mm 34-5/8 879 mm Heatilator Birmingham BIR42-B 4059-681 11/11 Herringbone Refractory Service PartsContact Information

BIR42-B specifications

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