Heatilator Birmingham BIR36-B Installation Manual page 11

C. Construct the Chase
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insulation.
WARNING! You must install false ceilings and ceil-
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WARNING! Risk of Fire! DO NOT VHDO DUHD EHWZHHQ ¿UH
stop opening and chimney pipe except where they enter
the attic or leave the warm air envelope of the home (use
600° F sealant).
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Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
Round Termination Cap
Storm Collar
Metal Chase Top
Ceiling
Firestop
False Ceiling
Attic
Insulation
Tabs
Shield
Ceiling
Firestop
Insulation Insulation
False Ceiling
False Ceiling
Chimney
Figure 3.3 Chase Assembly
WARNING! Risk of Fire!
2 in. (51 mm) air space clearance to insulation and other
materials surrounding the chimney system.
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prevent accidental contact with chimney system.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
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• Failure to prevent contact between insulation or other
materials and chimney system may cause overheating
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All outside walls should be insulated.
1
Figure 3.4 Chase Constructions
Insulation in the
outside walls
of the chase
You must maintain a minimum
2 3
11