At a glance
- Type: Roof flashing, part of the DuraTech chimney system
- Diameters: 5", 6", 7" and 8"
- Listing: c-UL-us listed to UL 103 HT
- Clearance: 2" to combustibles
- Made by: DuraVent
Description
Seals the roof where the chimney passes through; choose it by roof pitch. DuraTech 5 to 8 inch is DuraVent's double-wall, insulated all-fuel chimney, c-UL-us listed to UL 103 HT with a 2-inch clearance to combustibles.
Specifications
Dimensions
| Part | Diameter | Style | Finish | Weight |
|---|---|---|---|---|
| 5DT‑F6 | 5" | Adjustable Roof Flashing 0/12 - 6/12 | — | 6.1 lb |
| 5DT‑F18 | 5" | Adjustable Roof Flashing 13/12 - 18/12 | — | 10.1 lb |
| 5DT‑F24 | 5" | Adjustable Roof Flashing 19/12 - 24/12 | — | 10.1 lb |
| 5DT‑F12 | 5" | Adjustable Roof Flashing 7/12 - 12/12 | — | 10.5 lb |
| 5DT‑FF | 5" | Flat Roof Flashing | — | 16.1 lb |
| 6DT‑F6 | 6" | Adjustable Roof Flashing 0/12 - 6/12 | — | 2.6 lb |
| 6DT‑F18 | 6" | Adjustable Roof Flashing 13/12 - 18/12 | — | 10.8 lb |
| 6DT‑F24 | 6" | Adjustable Roof Flashing 19/12 - 24/12 | — | 10.1 lb |
| 6DT‑F12 | 6" | Adjustable Roof Flashing 7/12 - 12/12 | — | 2.6 lb |
| 6DT‑F6DSA | 6" | DSA Roof Flashing | — | 0.6 lb |
| 6DT‑F12DSA | 6" | DSA Roof Flashing | — | 2.5 lb |
| 6DT‑FF | 6" | Flat Roof Flashing | — | 1.3 lb |
| 6DT‑F6L | 6" | Large Base Adjustable Roof Flashing 0/12 - 6/12 | — | 2.6 lb |
| 6DT‑F12L | 6" | Large Base Adjustable Roof Flashing 7/12 - 12/12 | — | 2.5 lb |
| 7DT‑F6 | 7" | Adjustable Roof Flashing 0/12 - 6/12 | — | 3.0 lb |
| 7DT‑F18 | 7" | Adjustable Roof Flashing 13/12 - 18/12 | — | 12.3 lb |
| 7DT‑F24 | 7" | Adjustable Roof Flashing 19/12 - 24/12 | — | 15.1 lb |
| 7DT‑F12 | 7" | Adjustable Roof Flashing 7/12 - 12/12 | — | 7.0 lb |
| 7DT‑FF | 7" | Flat Roof Flashing | — | 2.5 lb |
| 7DT‑F6L | 7" | Large Base Adjustable Roof Flashing 0/12 - 6/12 | — | 6.5 lb |
| 8DT‑F6 | 8" | Adjustable Roof Flashing 0/12 - 6/12 | — | 6.7 lb |
| 8DT‑F18 | 8" | Adjustable Roof Flashing 13/12 - 18/12 | — | 12.5 lb |
| 8DT‑F24 | 8" | Adjustable Roof Flashing 19/12 - 24/12 | — | 15.5 lb |
| 8DT‑F12 | 8" | Adjustable Roof Flashing 7/12 - 12/12 | — | 6.5 lb |
| 8DT‑F6DSA | 8" | DSA Roof Flashing | — | 1.7 lb |
| 8DT‑F12DSA | 8" | DSA Roof Flashing | — | 6.5 lb |
| 8DT‑FF | 8" | Flat Roof Flashing | — | 2.9 lb |
| 8DT‑F6L | 8" | Large Base Adjustable Roof Flashing 0/12 - 6/12 | — | 6.7 lb |
| 8DT‑F12L | 8" | Large Base Adjustable Roof Flashing 7/12 - 12/12 | — | 10.4 lb |
Documents
Details
| System | DuraTech |
|---|---|
| Listing | c-UL-us listed to UL 103 HT |
| Clearance to combustibles | 2" to combustibles |
| Price basis | DuraVent 2026 list price (MSRP), effective July 1, 2026 |
Questions
What size do I need?
The appliance's own instructions set the chimney diameter; match it, and keep the whole chimney one diameter.
What clearance does it need?
2" to combustibles, per DuraVent's listing. Never fill the clearance space with insulation.
Can I mix DuraTech with other brands?
No. DuraVent's instructions require authorized DuraTech parts only, to keep the chimney listed.
Where are the installation rules?
In the documents above: supports, firestops, enclosures and chimney height are set by DuraVent's instructions, and the installer follows them.
Why is there no photo?
DuraVent images are being added; the part numbers and sizes on this page are from DuraVent's 2026 list.
If you have any questions about this product, please let us know by filling out the form below, and we will contact you as soon as possible.
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