Heat & Glo ST-36TRB-IPI PIER-36TRB-IPI Owner's Manual page 22

TOP VIEW
FIREPLACE
2-3/4
OPENING
in. Min.
3-1/4 in. Min.
Note: Clearance from opening to perpendicular wall.
Figure 5.9 Combustible Mantel Leg or Wall Projections
(Acceptable on both sides of opening)
SHEETROCK
3.5 in.
= AIR SPACE REQUIRED
Figure 5.10 Non-Combustible Zone (PIER and ST)
SHEETROCK
= AIR SPACE REQUIRED
Figure 5.11 Non-Combustible Zone (LCOR and RCOR)
22 Heat & Glo • ST-36TRB-IPI, PIER-36TRB-IPI, LCOR-36TRB-IPI, RCOR-36TRB-IPI • 2128-900 Rev. i • 3/13
1/2 in.
Min.
Unlimited
1 in.
Max.
3.5 in.