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12.
Minimum clearance directly above the fireplace inside the chase
–
Combustible
•
First 18” directly above the fireplace
MUST
be framed using non-combustible material. Metal Studs.
Zone A
•
All combustibles above the 18” must be covered.
Zone B.
There should be no combustible materials left uncovered above the fireplace inside the chase.
Fireplace chase should be designed and built to allow hot air to release from the unit and rise-up in a non-combustible
channel to the heat release.
13.
Chase celling-
Top of the chase must be covered with noncombustible material (Firestop). No exposed combustible
materials are allowed inside the chase.
