Osburn OB04010K Installation And Operation Manual page 44

THIS FIREPLACE IS BUILT IN ORDER TO MAINTAIN A 1/2"
GAP MINIMUM BETWEEN THE FIREPLACE AND THE
FACEPLACE.
IT IS RECOMMANDED TO HAVE THE NON-COMBUSTIBLE
MATERIAL FLUSH WITH THE FIREPLACE.
44
NON-COMBUSTIBLE
B
FRAMING (STEEL STUD)
D
Refer to the building code or the local code for regulations
concerning the need to install finishing material inside the
chase around the fireplace.
NOTE
HORIZON – Installation and Operation Manual
CLEARANCE
84" (2.13m)
This section must
remain empty
Non-combustible
material
Non-combustible
finishing material