Hearth and Home Technologies SC60 Finishing, Hearth Extension, = 1/k x inches of thickness

Page 37

11 Finishing

A. Non-Combustible Materials

Materials which will not ignite and burn, composed of any combination of the following:

-

Steel

-

Iron

-

Brick

-

Tile

-

Concrete

-

Slate

-

Glass

-

Plasters

Materials reported as passing ASTM E 136, Standard

Test Method for Behavior of Metals, in a Vertical Tube Furnace at 750° C

B. Combustible Materials

Materials made of or surfaced with any of the following materials:

-

Wood

-

Compressed paper

-

Plant fibers

-

Plastic

Any material that can ignite and burn; flame proofed or not, plastered or un-plastered

C. Hearth Extension

WARNING! Risk of fire! High temperatures, sparks, embers or other burning material falling from the fireplace may ignite flooring or concealed combustible surfaces.

Protective metal hearth strips MUST be installed.

Hearth extensions MUST be installed exactly as specified.

Table 11.1

R = 1/k x inches of thickness

Table 11.2

You MUST use a hearth extension with this fireplace.

This fireplace has been tested and approved for use with a hearth extension insulated to a minimum R value of 1.03.

The hearth extension material MUST be covered with tile, stone or other non-combustible material.

Manufactured hearth materials will usually have a published R value (resistance to heat) or k value (conductivity of heat). Refer to the formula in Table 11.1 to convert a k value to an R value,

Refer to Table 11.2 for hearth extension insulation alternatives.

C

 

A

 

 

B

 

 

 

 

 

 

 

 

 

 

 

CAT. #

 

A

B

 

C

HX3

in

52

16

 

8

 

 

 

 

 

 

 

mm

1321

406

 

203

Figure 11.1 Hearth Extension Dimensions

Hearth Extension Insulation Alternatives-Total minimum R Value must equal 1.03

 

 

 

Minimum

 

k per inch

r per inch

thickness

Material

thick

thick

required

Hearth & Home HX3, HX4 (Micore 300™)

0.49

2.06

1/2 in.

 

 

 

 

USG Micore 160™

0.39

2.54

1/2 in.

USG Durock™ Cement Board

1.92

0.52

2 in.

Cement Mortor

5.0

0.20

5-1/8 in.

 

 

 

 

Common Brick

5.0

0.20

5-1/8 in.

Ceramic Tile

12.50

0.08

12-1/4 in.

 

 

 

 

Armstrong™ Privacy Guard Plus

0.46

2.18

1/2 in.

Marble

14.3-20.0

0.07-0.05

14-5/8 in. - 20-3/8 in.

Heatilator • SC60 • 32838 Rev X • 10/08

37

Image 37
Contents Hot screen/mesh and glass doors will cause burns Wood Burning FireplaceFire Risk Grate Listing Label Information/LocationNumber Installer Guide Table of ContentsSafety Alert Key User GuideCONDITIONS, Exclusions & Limitation of Liability Hearth & Home Technologies Limited WarrantyHeatilator SC60 32838 Rev X 10/08 Appliance Certification Listing and Code ApprovalsNon-Combustible Materials Combustible MaterialsYour Fireplace Operating InstructionsHot glass will cause burns Starting a Fire Seasoned WoodGrate FirescreenVented Gas Log Sets & Gas Log Lighters Glass DoorsOptional Components Clear SpaceWood Fuel Chimney Inspection/Cleaning Maintainance and ServiceDisposal of Ashes Creosote Formation and Need for RemovalCheck Firebrick Glass CleaningInspect Grate Frequency As desiredStart Fire Problems Possible Cause Solution Troubleshooting GuideTypical Fireplace System Getting StartedDraft Design and Installation ConsiderationsNegative Pressure Frequently open doors Central heat outlets or returns Locating Fireplace & ChimneyFireplace System Requirements Tools and Supplies NeededInspect Fireplace and Components Select Fireplace Location Framing & ClearancesClearances to Combustible Materials ClearancesFrame the Fireplace Sidewalls/SurroundsThings to Consider Installation of FireplacePosition the Fireplace Place Protective Metal Hearth StripsFt min. from top of uppermost chimney section to air inlet To service or replace the fan kit Install Outside Air KitChimney Assembly Height of Chimney Components Chimney RequirementsExample Using Offsets/ReturnsInstall Ceiling Firestops Install Chimney Air KitAssemble Chimney Sections Prepare Attic Insulation Shield Install Attic Insulation ShieldInstall Flashing Complete InstallationFollowing steps should be skipped if using a chase Cut out Hole in RoofFlat Roofs Chimney Termination RequirementsConstruct the Chase Chase InstallationsInstall Chase Top Install Fireplace & ChimneyST375 Square Termination Cap Install Termination CapTS345/TS345P Square Termination Cap Radiation Shield ShroudsField Constructed Shrouds Open Top Shroud TR342 caps require radiation shieldRoofed Style Shroud radiation shield required Mailbox Style Shroud radiation shield requiredHearth Extension Finishing= 1/k x inches of thickness HX3 or HX4 Hearth Ext or equivilent insulation Finishing MaterialCombustible Mantel 13 Side Brick Installation Firebrick InstallationGas Log/Lighter Provision AccessoriesWood Burning Inserts Gas Code, Ansi Z223.1Fireplace Materials1321 mm 406 mm Catalog # Chimney Components14-1/2 10-7/8 276 mm Parts ServiceContact Information
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