Hearth and Home Technologies HST-42D owner manual Cut out Hole in Roof, Complete Installation

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G. Cut out Hole in Roof

•Refer to Figure 8.9.

•Plumb from roof to center of chimney.

•Drive a nail up through roof to mark center of pipe.

•Measure to either side of nail and mark the 14-1/2 in. x 14-1/2 in. (368 mm x 368 mm) opening required.

•Measure opening on the horizontal; actual length may be larger depending on roof pitch.

•Cut out and frame opening.

•Refer to Chapter 25 of the Uniform Building Code for roof framing details.

H. Complete Installation

WARNING! Risk of Fire! You MUST maintain 2 in.

(51 mm) air space to insulation and other combustible materials around the chimney system. Failure to do so could cause overheating and ﬁre.

•Keep chimney sections from separating or twisting.

•You may secure straight chimney sections at the joints with screws no longer than 1/2 in. (13 mm).

The following steps should be skipped if using a chase.

•Install roof ﬂashing appropriate to roof pitch.

•Install round termination cap and storm collar.

I. Install Flashing

•Assemble chimney so it passes through the framed opening.

•Slip the ﬂashing over the chimney.

NOTICE: Rooﬁng shingles must be below the ﬂashing plate on the lower side of a sloped roof and over the ﬂashing plate on the sides and top.

•Nail the ﬂashing to the roof. Keep gaps between the ﬂashing plate and the roof to a minimum.

•Caulk the ﬂashing plate and roof junction as well as the vertical seam on the ﬂashing. All nail heads must be caulked with a rooﬁng sealant.

Figure 8.9 Ceiling/Attic Construction

30	Heat & Glo • HST-42D • 27177 • Rev AB • 11/08

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Contents Wood Burning Fireplace Hot screen/mesh and glass doors will cause burnsFire Risk Listing Label Information/Location GrateNumber Table of Contents Installer GuideUser Guide Warranty Hearth & Home Technologies Limited Warranty CONDITIONS, Exclusions & Limitation of LiabilityHeat & Glo HST-42D 27177 Rev AB 11/08 Non-Combustible Materials Listing and Code ApprovalsAppliance Certiﬁcation Combustible MaterialsOperating Instructions Your FireplaceHot glass will cause burns Grate Seasoned WoodStarting a Fire FirescreenVented Gas Log Sets & Gas Log Lighters Glass DoorsOutside Air optional Optional ComponentsWood Fuel Disposal of Ashes Maintainance and ServiceChimney Inspection/Cleaning Creosote Formation and Need for RemovalInspect Grate Glass CleaningCheck Firebox Refractory Frequency As desiredTroubleshooting Guide Start Fire Problems Possible Cause SolutionGetting Started Typical Fireplace SystemDesign and Installation Considerations DraftNegative Pressure Locating Fireplace & Chimney Frequently open doors Central heat outlets or returnsTools and Supplies Needed Fireplace System RequirementsInspect Fireplace and Components Framing & Clearances Select Fireplace LocationClearances Clearances to Combustible MaterialsSidewalls/Surrounds Frame the FireplacePosition the Fireplace Installation of FireplaceThings to Consider Place Protective Metal Hearth StripsFt min. from top of uppermost chimney section to air inlet Install Outside Air Kit AK14/AK18 InstallationChimney Assembly Chimney Requirements MetersUsing Offsets/Returns ExampleInstall Chimney Air Kit Assemble Chimney SectionsInstall Ceiling Firestops Installing the Ceiling FirestopInstall Attic Insulation Shield Prepare Attic Insulation ShieldFollowing steps should be skipped if using a chase Complete InstallationInstall Flashing Cut out Hole in RoofChimney Termination Requirements Flat RoofsChase Installations Construct the ChaseInstall Fireplace & Chimney Install Chase TopInstall Termination Cap ST375 Square Termination CapTS345/TS345P Square Termination Cap Field Constructed Shrouds ShroudsRadiation Shield Open Top Shroud TR342 caps require radiation shieldMailbox Style Shroud radiation shield required Roofed Style Shroud radiation shield requiredFinishing Hearth Extension= 1/k x inches of thickness Finishing Material Noncombustible FacingCombustible Mantel Clearances to Mantels or other Combustibles above FireplaceSquares Wood Burning Inserts AccessoriesGas Log/Lighter Provision Gas Code, Ansi Z223.1Fireplace Dimensions Reference MaterialsChimney Components Catalog #14-1/2 10-7/8 276 mm Service Parts HST-42DDo not Discard this Manual