Family-run fireplace damper replacement in San Marco

Dampers that rattle, stick or leak in San Marco, repaired by a local family crew under our workmanship warranty.

Fully licensed and insured
Locally owned
Family owned and operated
Same-day service

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Get a quote for chimney and fireplace repair and installation in Jacksonville.

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(904) 920-5495 Free Inspection

Damper specialists who find the failed part first

Locally owned in Jacksonville
Family owned and operated
100% satisfaction guaranteed
Free inspection and estimate
Same-day service available
10% off any service

Handle positions are left clearly marked, so the next fire in San Marco starts with the damper open.

Free inspection and estimateYour San Marco damper is run through its full travel and checked with a light at no charge.
100% satisfaction guaranteedIf the repaired damper does not open fully and close flat, we come back and make it right.
Family owned and operatedA family business does the diagnosis and the repair, so the person who quoted it answers for it.

Call (904) 920-5495 Free Inspection

Grinding and scraping at the throat

A damper that opens with a grinding scrape is dragging on something. Mortar crumbs, rust scale or a lump of old refractory on the edge of the throat can ride under the plate and jam it partway.

Clearing the throat edge and the seat is often enough to bring back a smooth swing. When the plate itself has bowed so it catches the masonry as it turns, straightening it rarely lasts, and a new plate is the honest fix. Damper scraping every time it moves in San Marco? Our local damper pros will clear it or quote it after a free inspection at (904) 920-5495.

San Marco lies within Duval County. San Marco does not reach the coast.

Damper repairs we handle in San Marco

Rotary cranks and gear drives replaced
Debris cleared off the smoke shelf behind the plate
Handle placed where it can be worked from the room
Damper checked at your San Marco home with the fireplace cold

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From the first light test to a sealed plate in San Marco

Handle and plate tested
With the fireplace cold, the control is worked through its travel and the plate checked from below with a light.
Failed part named
Pivots, plate, frame or control, the part that failed is written down with the repair options and prices.
Freed, rehung or replaced
Sound parts are cleaned and freed, a plate is matched to its frame, or a new damper is set at code height.
Travel and seal confirmed
The plate must open fully and close flat under the light before the job is done.

Rain down the flue and the damper in San Marco

Inland chimneys still take rain straight down the flue when there is no cap, and the damper is where that water stops. Without salt in the mix, rust is slower, yet it still reaches the seat and pivots.

A cap priced with the damper repair keeps the fix in San Marco from starting to rust again.

10% off any service booked within 72 hours of inspection

Damper stuck or leaking air? Book the fix up to 72 hours after the inspection and save 10%.

Call (904) 920-5495 Free Inspection

The light test for a damper seal

The simplest damper test needs a dark room and a good flashlight. With the damper closed, the light is held in the firebox pointing up at the plate, and someone in the room looks for light spilling past the edges. On a bright day the test can run the other way, with daylight from the top showing through the gaps.

We use both, depending on the time of day, and we mark where the gaps are. A gap along one edge points to warp or a bent lip. Gaps all round point to scale on the seat or a plate that has dropped on worn pivots. Each has a different fix.

How tight a throat damper can close

Plate meets frame metal to metal in a throat damper, with no gasket between them. Even a new one lets some air past, and it was not designed to be airtight. What it can do is keep a large open flue from drawing steadily on the room.

Dampers at the top of the flue work differently. Many close on a gasket and seal more closely, which is one reason people choose them when a throat damper has failed. We tell you plainly what each can deliver, so a repaired throat damper is judged against what it was built to do, not against a gasketed seal.

Controls you can reach without leaning in

The code asks that a damper be operable from the room, and in practice that means a handle or crank a person can work without reaching into the firebox. Older installations sometimes put the handle deep inside the opening, where it gets hot and sooty.

When a damper or its control is replaced, the new handle is placed where it can be reached safely at the front of the firebox or through the face. A poker rod gets a clear notch bracket. A crank exits the face at a comfortable height. The small detail decides whether the damper actually gets closed after the fire.

Damper findings written down before pricing

Frame condition: cracks, lug wear and how it sits in the masonry
Frame replacement scope: firebrick disturbed and refractory mortar used
Top-sealing damper priced alongside when the throat is hard to reach
Handle positions marked so open and closed are clear

Damper questions from San Marco homeowners

Do you repair fireplace dampers in San Marco?

Yes. Our crew frees, rehangs and replaces throat dampers across Duval County, San Marco included. Describe what the handle does when you call, and the right parts come along to the free inspection.

Does a repaired throat damper seal like a top damper?

Not quite. A throat damper closes metal on metal, while many top dampers close on a gasket. A repaired throat damper still stops the steady draw of an open flue, and we price both when both would work.