Top sealing dampers installed for San Marco fireplaces
Top damper installation in San Marco with the model, handle position and any tile work priced in writing first.
- Fully licensed and insured
- Locally owned
- Family owned and operated
- Same-day service
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Damper experts who measure before they order
- Locally owned in Jacksonville
- Family owned and operated
- 100% satisfaction guaranteed
- Free inspection and estimate
- Same-day service available
- 10% off any service
Every top damper in San Marco is ordered from a measurement taken on the roof.
- Free inspection and estimateYour flue tile in San Marco is measured and the crown checked on a free visit before any damper is ordered.
- Upfront pricing, no hidden feesThe model, the handle position and any tile or crown work are priced in writing up front.
- 100% satisfaction guaranteedIf the lid does not seal or open the way we showed you, we return and adjust it.
Wind noise through an idle flue
An open flue can whistle or moan when wind crosses the top of the chimney, and the sound carries into the room through the firebox. Closing a warped throat plate barely muffles it. The same open flue that carries the sound also carries air and rain.
Closing the flue at the top with a gasketed lid quiets the chimney between fires. We fit top dampers on fireplaces in San Marco and check the crown and tile at the same time, since both carry the damper frame.
San Marco is part of Duval County. San Marco lies inland.
Top damper work we take on in San Marco
- Lids adjusted to seal on their gaskets
- Round flues fitted with matching models
- Owners shown how to open, close and lock the lid
- Your San Marco chimney's tile and crown checked first
How our crew fits a top damper in San Marco
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Tile measured on the roof
The flue tile's outside size, height and rim are checked on a free visit, with the crown around it.
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Model ordered to fit
The damper is chosen from the maker's size chart for your tile and approved on the estimate first.
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Frame set, cable run
The frame is set in the maker's adhesive, the old plate made safe and the cable run to the handle.
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Adjusted and demonstrated
The lid is adjusted to seal, and you try the handle before we leave, with the cure time written down.
Rain down an inland flue in San Marco
An inland chimney in San Marco still takes rain at its top. Without a cap or a closed damper, that rain reaches the smoke shelf and rusts the throat damper.
Closing the damper between fires keeps the flue dry.
10% off any service booked within 72 hours of inspection
The damper, the cable and the fitting are all discounted.
How much tile must stand above the crown
The frame of a top damper needs a certain height of flue tile standing above the crown to seat and bond properly, and each maker states its minimum. A tile that stops flush with the crown, or only just above it, may not give the frame enough to grip.
When the tile is too short, the options depend on the model: an extension piece, a different mounting style or a crown adjustment. We check the height before ordering, so the damper is not bought for a tile it cannot fit. Measuring that height takes a tape and a minute on the roof, and it settles whether the model will seat at all.
Open fully before every fire
Above everything else, a top damper has to be fully open before a fire is lit. A fire under a closed lid sends smoke and carbon monoxide into the room. The handle position shows whether the lid is open, and a look up the firebox confirms it.
The makers also say to leave it open until no fire remains and the ashes have gone cold. Closing it early on smoldering embers traps their smoke in the house. We cover both points at the walk-through, and write them on the ticket. A lid that is only partly open can also spill smoke, so the check is for fully open, not just unlocked.
Sweeping with a top damper in place
The flue under a top damper is swept with the lid open, following the damper maker's instructions. Some models let a brush pass through the open lid from above, and others are swept from below.
Brushing too hard at the top can damage the gasket or bend the lid, so the sweep works around them. After the sweep, the lid is closed, checked against its gasket and the cable adjustment confirmed. A sweep who knows the damper is there also knows not to force a brush through a half-open lid.
What we check before fitting a top damper in San Marco
- Flue tile outside dimensions measured and the model chosen to fit
- Frame set in the maker's adhesive, with the cure time written down
- Handle bracket anchored in the firebox where you approve
- Decorative gas appliance in the firebox checked for conflicts
Before the damper is ordered
Do I still need a chimney cap?
On a single fireplace flue, the open lid sheds rain like a cap, so one may not be needed. Other flues, or a wish for a spark screen, can still call for one, and we explain it on the estimate.
What if I forget to open it?
The handle hangs in the firebox where it is easy to see, and we show you how to check the lid before lighting. Smoke at the opening is the sign it is closed, so put the fire out and open the damper.
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Rusted throat damper in San Marco?
Top dampers in San Marco are fitted by a local, family-owned crew and covered by our 100% satisfaction guarantee.
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