C. Vertical Penetration Framing

WARNING

Fire Hazard

Keep loose materials or blown insulation from touching the vent pipe.

National building codes recommend using attic shield to keep loose materials/ blown insulation from contacting vent.

Hearth & Home Technologies requires the use of an attic shield.

Installing the Ceiling Firestop

Frame an opening 10 inches by 10 inches whenever the vent system penetrates a ceiling/floor (see Figure 6.3).

Frame the area with the same sized lumber as used in ceiling/floor joist.

When installing a top vent vertical termination appliance the hole should be directly above the appliance, unless the flue is offset.

Do not pack insulation around the vent. Insulation must be kept away from the pipe.

Installing Attic Shield

Note: An additional ceiling firestop is not required if attic shield is used.

• Frame opening for attic shield.

ATTIC ABOVE

10 IN. (254 MM)

10 IN.

(254 MM)

HOLE SHOULD MEASURE

10 IN. X 10 IN.

(254 MM X 254 MM)

INSIDE TO INSIDE

Figure 6.3

• Attic shield may be installed above or

 

 

 

below ceiling (see Figure 6.4).

 

 

• Secure with three fasteners on each

BEND TABS IN

 

 

side.

AROUND PIPE

 

 

 

 

Fold tabs at top of attic shield in toward

3 FASTENERS

 

 

vent pipe. Tabs must keep vent pipe

PER SIDE

 

 

 

 

 

centered within shield.

 

 

Field construct additional shield height if

 

 

 

insulation is deeper than height of attic

ATTIC SHIELD INSTALLED

ATTIC SHIELD INSTALLED

 

shield.

BELOW CEILING

ABOVE CEILING

 

 

Figure 6.4 Installing the Attic Shield

 

 

Quadra-Fire • Expression 36 (QV36A-FB)2062-900 Rev. S • 11/11

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Quadra-Fire QV36A-FB owner manual Vertical Penetration Framing, Installing the Ceiling Firestop, Installing Attic Shield

QV36A-FB specifications

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