DuraVent DuraTech Insulated Wall Thimble
The adjustable, insulated DuraVent DuraTech Wall Thimble, ideal for horizontal chimney venting through walls, efficiently secures your chimney pipe installation.
Key Features
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Adjustable from 5½” to 9½” wall thickness
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Factory-installed insulation
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Black painted interior trim
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Extendable up to 16”
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Optional stainless steel exterior trim
Product Features
Enhanced Safety with Insulation
Factory-installed insulation increases safety by reducing heat transfer, making this wall thimble perfect for homes requiring enhanced protection.
Flexible and Easy Installation
The telescoping design adjusts from 5½” to 9½” and can extend to 16” with a field-installed extension, ensuring a secure fit in thicker walls without additional hassle.
Clean Interior Finish
Interior trim painted black provides a clean, professional look inside the home, enhancing your living space aesthetics.
Optional Stainless Steel Exterior Trim
Choose optional stainless steel exterior trims (available for 6” and 8” models) to complement the exterior siding and add durability to your chimney installation.
Reliable Horizontal Chimney Installation
Explicitly engineered for safe, reliable horizontal installations between standard wall studs and is compatible with DuraTech chimney pipes and accessories.
Product Specifications
| Specification |
5” Model |
6” Model |
7” Model |
8” Model |
| Part Number |
5DT-IWT |
6DT-IWT |
7DT-IWT |
8DT-IWT |
| Stock Number |
810014831 |
810014830 |
810014832 |
810014833 |
| Chimney Pipe Opening Diameter (A) |
7 ¼” |
8 ¼” |
9 ¼” |
10 ¼” |
| Interior/Exterior Trim Width (B) |
13” |
14” |
15” |
16” |
| Wall Insert Width (C) |
11” |
12” |
13” |
14” |
| Wall Thickness Adjustability |
5½” to 9½” (extends to 16”) |
5½” to 9½” (extends to 16”) |
5½” to 9½” (extends to 16”) |
5½” to 9½” (extends to 16”) |
| Interior Trim Finish |
Black Painted |
Black Painted |
Black Painted |
Black Painted |
| Exterior Trim Option |
N/A |
Stainless Steel (Optional) |
N/A |
Stainless Steel (Optional) |
| Installation Application |
Horizontal Wall Chimney Venting |
Horizontal Wall Chimney Venting |
Horizontal Wall Chimney Venting |
Horizontal Wall Chimney Venting |
| Clearance to Combustibles |
2” Minimum |
2” Minimum |
2” Minimum |
2” Minimum |
| Material |
Galvanized Steel with Insulation |
Galvanized Steel with Insulation |
Galvanized Steel with Insulation |
Galvanized Steel with Insulation |
| Warranty |
Limited Lifetime |
Limited Lifetime |
Limited Lifetime |
Limited Lifetime |
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