C. Install the Ceiling Firestop
A ceiling firestop MUST be used between floors and attics.
•DVP pipe only - Frame an opening 10 in. by 10 in. (254 mm by 254 mm) whenever the vent penetrates a ceiling/floor (see Figure 8.3).
WARNING! Risk of Fire! DO NOT pack insu- lation around the vent. Insulation must be kept back from the pipe to prevent overheating.
|
| ATTIC ABOVE |
|
| A |
|
| A |
| PIPE | A |
| DVP | 10 in. (254 mm) |
Figure 8.3 | Installing Ceiling Firestop (Generic Fireplace Model Shown) |
| INSTALL ATTIC INSULATION SHIELDS | |
| BEFORE OR AFTER INSTALLATION OF VENT SYSTEM | |
| 3 FASTENERS |
|
| PER SIDE |
|
| CEILING FIRESTOP | CEILING FIRESTOP |
| INSTALLED BELOW CEILING | INSTALLED ABOVE CEILING |
| Figure 8.4 Installing the Attic Shield |
|
32 | Heat & Glo • |
|