Quadra-Fire SAPPHIRE-D-MBK, SAPPHIRE-MBK, SAPPHIRE-D-PMH Step, Twist-lockthe vent cap and seal

Step 8.

Slip the storm collar over the pipe, and push it down to the top of the flashing Figure 5.16. Use non-hardening sealant above and below the joint between the storm collar and the pipe.

Optional High Wind Termination Cap

Secure Flashing with Non-Hardening

Sealant and Roofing Nails

Figure 5.16

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 5.17. The opening should be framed to 10 in. x 10 in. (254mm x 254mm) inside dimensions, in the same manner as shown in Figure 5.14 on page 16.

Nails

Ceiling Firestop

Minimum 1 in.

(25mm) Clearance

Minimum 1 in.

(25mm) Clearance

Minimum 1 in.

(25mm) Clearance

Minimum 1 in.

(25mm) Clearance

Figure 5.17

WARNING

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.

Quadra-Fire • Sapphire • 7055-116 Rev. D • 6/11 17