Hearth & Home Technologies HUDBAY-FS User Manual

10/08

Page  17

Quadra-Fire  •  Hudson Bay  •  7003-121 Rev. i

Fire Risk.

Explosion Risk.

•  Any occupied areas above the first floor, including 

closets and storage spaces, which the vertical 
vent passed through must be enclosed. The 
enclosure may be framed and sheetrocked with 
standard construction materials; however, refer 
to these installation instructions for the minimum 
allowable clearance between the outside of the 
vent pipe and the combustible surfaces of the 
enclosure. Do not fill any of the required air space 
with insulation.

Step 9.
Twist-lock the vent cap and seal.

Note:  For multi-story vertical installations, a ceiling firestop 
is required at the second floor, and any subsequent floors 
(

Figure 5.16). The opening should be framed to 10 in. x 

10 in. (254mm x 254mm) inside dimensions, in the same 
manner as shown in 

Figure 5.13, on page 16.