E. Hearth Extension
WARNING! Risk of Fire! Hearth ex- tension required to protect combustible floors in front of appliance.
The base of the fi replace may sit on a combustible surface. The area in front of the fi replace must be protected by a non- combustible hearth extension, unless the
fireplace is raised a minimum of 3 inches above the combustible fl oor or hearth. See fi gures 5.6 and 5.7.
MARBLE, GRANITE, TILE OR |
| |
OTHER | FRONT EDGE | |
HEARTH EXTENSION | ||
OF ASH LIP | ||
| ||
12 in. |
| |
1 in. Max. |
| |
WOOD OR OTHER COMBUSTIBLE | BOTTOM OF FIREPLACE | |
FLOOR OR PLATFORM | ||
Figure 5.6 Fireplace sitting on combustible surface |
FRONT EDGE |
| 1 INCH | |
OF ASH LIP |
| (BUILT INTO UNIT) | |
| 4 INCH |
|
|
|
|
| 3 INCH MIN. |
WOOD OR OTHER | COMBUSTIBLES UP TO | BOTTOM | MAY BE |
COMBUSTIBLE | 1 INCH THICK ALLOWED | OF FIREPLACE | COMBUSTIBLE |
FLOOR OR PLATFORM | UNDER THE OPENING |
| MATERIAL |
Figure 5.7 Fireplace raised a minimum of 3 inches away from combustible surface |
Heat & Glo • | 21 |