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Heat & Glo • ST-36TR-IPI, PIER-36TR-IPI • 2176-900 Rev. F • 8/1122
TOP VIEW
3-1/4 in. Min.
2-3/4
in. Min.
1/2 in.
Min.
Unlimited
1 in.
Max.
FIREPLACE
OPENING
Note: Clearance from opening to perpendicular wall.
Figure 5.10 Non-Combustible Zone
Figure 5.9 Combustible Mantel Leg or Wall Projections
(Acceptable on both sides of opening)
SHEETROCK
AIR SPACE REQUIRED
3.5 in.