Heatiator BIR42 Indoor Fireplace User Manual


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9
Chase Installations
Ceiling
Firestop
Metal Chase Top
Round Termination Cap
False Ceiling
Insulation in the
outside walls
of the chase
Attic
Insulation
Shield
Chimney
Ceiling
Firestop
Tabs
False Ceiling
False Ceiling
Insulation
Insulation
Figure 9.1 Chase Assembly
1 2 3
1. Fireplace and chimney enclosed in an exterior chase.
2. Chimney offset through exterior wall and enclosed in chase.
3. Chase constructed on roof.
Note: In cooler climates, all chase walls should be insulated.
Figure 9.2 Chase Constructions
WARNING! You must install false ceilings and ceiling re-
stops at each oor of the chase or every 10 ft (3.05 m) to
control spread of re.
WARNING! Risk of Fire! You must maintain a minimum
2 in. (51 mm) air space clearance to insulation and other
materials surrounding the chimney system.
• Insulation and other materials must be rmly secured to
prevent accidental contact with chimney system.
• Failure to prevent contact between insulation or other
materials and chimney system may cause overheating
and re.
A. Construct the Chase
Achaseisaverticalboxlikestructurebuilttoenclosethe
replaceand/oritsventsystem.Verticalchimneysthat
runontheoutsideofabuildingmustbeinstalledinsidea
chase.
Constructionofthechasemayvarywiththetypeofbuild-
ing.Theseinstructionsarenotsubstitutesfortherequire-
mentsoflocalbuildingcodes.LocalbuildingcodesMUST
bechecked.
Achaseshouldbeconstructedinthemannerofalloutside
wallsofthehometopreventcoldairdraftingproblems.The
chaseshouldnotbreaktheoutsidebuildingenvelopein
anymanner.Allouterwallsneedtobeinsulated.
Buildingcodesrequirefalseceilingandceilingrestops
ateachoorofthechaseorevery10ft(3.05m)ofclear
spacetocontrolspreadofre.
Walls,ceiling,baseplateandcantileveroorattherst
levelofthechaseshouldbeinsulated.SeeFigure9.1.
Vaporandairinltrationbarriersshouldbeinstalledinthe
chaseasperregionalcodesfortherestofthehome.Addi-
tionally,Hearth&HomeTechnologiesrecommendsthatthe
insidesurfacesbesheetrockedandtaped(ortheuseofan
equivalentmethod)formaximumairtightness.
Gaslineholesandotheropeningsshouldbecaulkedwith
hightemperaturecaulkorstuffedwithunfacedberglass
insulation.Ifthereplaceisbeinginstalledonacement
slab,werecommendthatincoldclimates,asheetof
plywoodorotherraisedplatformbeplacedunderneathto
preventconductingcoldupintotheroom.
ThreeexamplesofchaseapplicationsareshowninFig-
ure9.2.
WARNING! Risk of Fire! DO NOT seal area between
restop opening and chimney pipe except where they enter
the attic or leave the warm-air envelope of the home (use
600° F sealant).
Heatilator•BirminghamBIR42•4059-308RevJ•1/11
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