TOP VIEW
1/2 in. Min.
FIREPLACE
OPENING
2-3/4 in. Min.
1 in. |
| Unlimited |
| ||
| ||
|
| |
Max. |
|
|
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
3.5 in.
= AIR SPACE REQUIRED
Figure 5.11 Non-Combustible Zone (LCOR and RCOR)
22 | Heat & Glo • |
