Figure 23 DVP Termination Cap
For Vertical Terminations - To locate the flue and install the flue sections:
•Locate and mark the flue center point on the underside of the roof, and drive a nail through the center point.
•Make the outline of the roof hole around the center point nail.
•The size of the roof hole framing dimensions depend on the pitch of the roof. There MUST BE a 2.5 cm clearance from the vertical flue pipe to combustible materials.
•Mark the roof hole accordingly.
•Cover the opening of the installed flue pipes.
•Cut and frame the roof hole.
•Use framing lumber the same size as the roof rafters and install the frame securely. Flashing anchored to the frame must withstand heavy winds.
•Continue to install concentric flue sections up through the roof hole and up past the roof line until you reach the appropriate distance above the roof.
To seal the roof hole, and to divert rain and snow from the flue system:
•Attach a flashing to the roof using nails, and use a non- hardening mastic around the edges of the flashing base where it meets the roof.
•Attach a storm collar over the flashing joint to form a
•Slide the termination cap over the end of the flue pipe and snap into place.
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