DuraVent DuraChimney II Kurulum Talimatları Kılavuzu - Sayfa 10

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1. Clearances | Permits | Applications | Equipment | Installation Notes

1/2 INCH

MINIMUM

AIR SPACE

ESTABLISHED

BY SPACERS

1/2 INCH

AIR SPACE

1 1/2" VENTILATION OPENING

AROUND CHIMNEY PIPE

Figure 13

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(4) ROOF

RADIATION

SHIELDS

CHASE

ENCLOSURE

Figure 11

Figure 12

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e. Wrap the Collar of the Attic Insulation Shield

around the chimney and fasten it loosely. Slide

the Collar down to meet the Attic Insulation

Shield. Tighten the bolts to secure the Collar

in place (Fig. 10).

11. Install Roof Radiation Shields: roof

radiation Shields provide protection for roof

or chase framing members. Note: Roof

Radiation Shields do not allow for a reduced

clearance to combustibles. Clearance to

combustibles must be a minimum of 2" away

from the chimney pipe. Install roof radiation

Shields at either the top of the chase or where

the chimney penetrates the roof, whichever

is the top of the installation. roof radiation

Shields are built with a 1/2" air gap standoff from

the joist face (Fig. 11). The corners of the roof

radiation Shields overlap each other to ensure

CHASE TOP

proper position. Secure the roof radiation

FLASHING

Shields to the top of the framing members

using screws or nails in the corners (Fig. 11).

If framing members are further away from the

REQUIRED

chimney than 2", center the roof radiation

SPACERS

Shield to the chimney on the framing member

and secure in place with screws or nails.

12. Attach Flashing: For chase

enclosures, use a Chase Top Flashing.

The Chase Top Flashing allows for a 1-1/2"

clearance maintained from the chimney

and provides required ventilation air. Install

the Chase Top Flashing at the top of the

chase with a ½" minimum air clearance

off the top of the chase construction (Fig. 12,

13). Use spacing clips provided to establish

½" air clearance. If the Chase Top Flashing

does not fit the dimensions of the chase, use

a Chase Top Collar Section and extend the

base of the flashing as needed for the chase

dimensions. ensure the minimum ½" spacing

and perimeter ventilation requirements are

met as show in Figure 12. Secure the Chase

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