Chimney Damper Flue Extension
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Chimney Damper Flue Extension
Product Details
You may need a Flue Extension to install your top mount chimney damper if there is no existing flue tile extending from the chimney top or the flue tile is too short. The extension pieces are 4 inches tall. Easily bolts to the flue extension with tapcon screws (purchased separately).
Sizing
| Optional Adapter Size | Actual Inside Dimensions |
| 8" x 8" | 7.92" x 7.92" |
| 8" x 13" | 7.92" x 12.92" |
| 8" x 18" | 7.92" x 17.92" |
| 12" x 12" | 11.92" x 11.92" |
| 13" x 13" | 12.92" x 12.92" |
| 13" x 18" | 12.92" x 17.92" |
| 18" x 18" | 17.92" x 17.92" |
Product Details:
You may need a Flue Extension to install your top mount chimney damper if there is no existing flue tile extending from the chimney top or the flue tile is too short. The extension pieces are 4 inches tall. Easily bolts to the flue extension with tapcon screws (purchased separately).
Sizing
| Optional Adapter Size | Actual Inside Dimensions |
| 8" x 8" | 7.92" x 7.92" |
| 8" x 13" | 7.92" x 12.92" |
| 8" x 18" | 7.92" x 17.92" |
| 12" x 12" | 11.92" x 11.92" |
| 13" x 13" | 12.92" x 12.92" |
| 13" x 18" | 12.92" x 17.92" |
| 18" x 18" | 17.92" x 17.92" |
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Our 316Ti flexible chimney liner and chimney liner components have passed the rigorous testing at the Underwriters Laboratories with best in class status and are UL Listed. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney
