FireRock offers 3 types of dampers: Cast Iron, Top-Seal and Anchor Plate with Damper.
- Cast Iron Dampers can be used for all fireboxes with exception to our 72” conventional (requires 2 Top-Seal Dampers) or our See-Through models, regardless if using masonry or metal flue.
- Top Seal Dampers are compatible with all fireboxes that use a masonry chimney system.
- Anchor Plate with Dampers are compatible with all fireboxes that use a metal chimney system.
- All Vent Free and Outdoor FireRock models do not require dampers.
Cast Iron Dampers
Cast iron dampers come complete with a cast iron body, valve plate, and a 5-position poker control. Each damper is finished with black corrosion-resistant paint.
Sizes
- 24" - For use with 30" firebox
- 30" - For use with 36" firebox
- 36" - For use with 42" firebox
- 42" - For use with 48" firebox
- 54" - For use with 60" firebox

Top Seal Dampers
The Energy Top Plus Damper comes with a hardware kit, 29' cable and handle. The hardware kit includes a chain assembly, keyhole bracket, silicone, two nail anchors, allen wrench and instructions.
Specs
- Outside Tile Size - 18" x 18"
- Fits outside tile dimension 15" x 15" to 18" x 18'

Anchor Plate with Damper
Use as a starter section for DuraChimney II. Bolts directly to fireplace outlet. Damper section allows chimney to be closed when fireplace is not in use. Includes chain and lintel hook.
