Top sealing damper installation for homes in Bayside
We show you how to open it before a fire and when it is safe to close it afterward.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Clues your fireplace needs a better damper
- Damper handle that no longer moves
- Rain reaching the firebox floor
- Lid that will not open fully
- Plans to leave the fireplace idle
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Fitting a top damper the maker's way
Where it sits compared with a throat damper
Most masonry fireplaces were built with a damper plate low in the chimney, just above the firebox opening. That is the throat damper. It closes against a metal frame, and it is worked by a handle or lever inside the fireplace.
A top damper does the same basic job from the other end of the flue. The difference in position changes what each one keeps out and how each one wears. We explain both on your chimney before recommending either. Repair of the throat damper itself is a separate service with its own estimate.
What the building code says about dampers
The Florida Building Code requires a masonry fireplace to have a damper. The code allows it in the fireplace itself or higher up in the chimney serving it, provided it can be worked from the same room as the fireplace. A cable-worked damper at the flue top fits that description.
The code also calls for a ferrous metal damper, and some top dampers are made largely of aluminum. We check a product's material and listing against that rule before recommending one, and we tell you what we checked and why. That way the new damper answers to the code as well as to the fireplace.
Fixing the bracket in the firebox wall
The cable ends at a bracket fixed to the inside of the firebox, usually near the front on one side. The bracket is held with anchors set into holes drilled in the firebrick. The maker's instructions call for a masonry bit and care, since careless drilling can crack the brick.
We drill with the right bit, place the holes where the brick is sound and set the anchors firmly. If the firebrick on the chosen side is cracked or loose, we suggest the other side or explain the repair it needs first. The bracket should not work loose after a few pulls.
When the handle is hard to pull
The pull needed to close a spring-loaded lid can be firm. For some people, especially anyone with limited grip strength, the standard handle is awkward. Makers offer easier-grip handles for customers who find the damper hard to open or close.
Tell us if the pull may be a problem for anyone in the house. We can fit an easier handle or suggest a model with a lighter action. The goal is a damper that gets opened before every fire, which only happens if the handle is comfortable to use.
Parts of the damper job priced separately
- Gasket type and seal check
- Cap or screen above the damper
- Check for animals or nesting first
- Maker's instructions left with you
Top sealing damper FAQs for Bayside
Can a top damper be fitted to any fireplace?
No. Makers restrict where their dampers can go, and several products are marked not for use with gas-burning appliances. The flue shape, the tile top and what else vents through the chimney also matter, so we check all of it first.
How soon can I use the fireplace after installation?
The adhesive under the frame needs time to set before the fireplace is used. We tell you the maker's set time at handover and write it on the record, so the next fire waits until the seal is ready.
Is a top damper worth it if the fireplace sits idle?
It can be. A damper kept shut between fires keeps weather, animals and outside air out of an idle flue. The lid still has to be opened before any fire, so the handle should be easy for you to reach.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo