DuraVent Roof Flashing Features
- Matched to Your Roof Pitch: Two pitch ranges cover almost every residential roof, 0/12 to 6/12 and 7/12 to 12/12. A flashing that does not match the slope will not seal and will eventually leak, so measure before ordering.
- Triple-Wall Insulated Construction: Two separate insulating layers, a ceramic blanket plus a ventilated air space, keep the outer wall cool while holding flue gases hot inside. A hotter flue means stronger draft, less creosote and a stove burning closer to its rated efficiency.
- Rated to 2100°F for Chimney Fires: UL Listed to UL 103 HT under file MH7399. Built for continuous operation at 1000°F, then tested a full hour at 1400°F and through three separate ten-minute chimney fire tests at 2100°F.
- Only 2" Clearance to Combustibles: Passes through framing, ceiling and roof with just two inches of air space, so it fits standard 16" on-center construction without reframing the opening.
- Twist-Lock Connection: Sections join with a precision twist-lock, no locking bands or fasteners. The ceramic blanket is held in position rather than loose-filled, eliminating the hot spots and settling common to poured insulation.
DuraPlus Flashing Specifications
| Available Pitches | 0/12 to 6/12, 7/12 to 12/12 |
| Part Numbers | 6DP-F6, 6DP-F12 |
| Diameter | 6" |
| Material | Galvalume |
| Construction | Triple-wall, all-fuel |
| Inner Liner | .016" 430 stainless steel |
| Intermediate Liner | .018" aluminized steel |
| Outer Wall | .018" galvanized steel |
| Insulation | Ceramic blanket plus ventilated air space |
| Connection Type | Twist-lock |
| Clearance to Combustibles | 2" |
| Listing | UL 103 HT (MH7399), ULC S629 |
| Continuous Flue Temperature | 1000°F |
| Chimney Fire Rating | 2100°F |
| Approved Fuels | Wood, oil, coal, gas |
DuraVent DuraPlus Installation Manual
Download the full manufacturer installation instructions before you begin. Installation must follow these instructions and your appliance manual to stay code compliant and keep the warranty valid.
DuraPlus Chimney Roof Flashing FAQ
How do I know my roof pitch?
Pitch is the rise over 12 inches of horizontal run. A roof that climbs 6 inches over 12 is a 6/12. If you are between ranges, measure rather than guess, since the wrong flashing will not seat flat.
Does the flashing need a storm collar?
Yes, always. The flashing sheds water off the roof surface and the storm collar seals the gap where the pipe passes through it. A flashing without a collar will leak.
What sealant should I use?
A non-hardening sealant rated to 500°F at the collar. Standard roofing caulk will harden and crack from the heat cycling.
Will this work with my wood stove?
If your stove has a 6" flue outlet, yes. Wood stove manufacturers call for a chimney listed to UL 103 HT (2100°F), which is exactly what DuraPlus carries. Drolet, for example, specifies a 6" HT type chimney in its manuals without naming a brand.
Can I connect this to another brand of chimney?
No. Class A chimney systems use proprietary locking joints and are listed as complete systems, so DuraPlus will not join to DuraTech, Selkirk or Ventis. Everything from the ceiling support box to the cap must be DuraPlus.
What is the difference between this and black stovepipe?
They are not interchangeable. Black stovepipe is connector pipe for the exposed run from stove to ceiling only and cannot pass through a ceiling, wall or roof. DuraPlus is Class A insulated chimney, which carries the flue through the building and outside.
How close can this be to framing and insulation?
Two inches of clearance to any combustible, the entire length of the run. Where it passes through an attic you also need an attic insulation shield. Never pack insulation against the chimney even though the outer wall runs cool.