Repairing and replacing throat dampers in Knoll Ridge
Tell us what the handle does, and we check the plate, frame and pivots before naming a repair.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Damper trouble that shows at the handle
- Rattling above the fireplace on windy days
- Rust flakes collecting on the firebox floor
- Control rod slipping out of its notch
- Damp debris resting on the smoke shelf
Jump to
Damper repairs and replacements for Knoll Ridge
Keeping cooled air in the room
When the fireplace is idle, a closed damper is the part that keeps room air from leaving through the flue. A flue open to the sky lets room air and outside air trade places, and the air conditioning then works against that exchange.
A damper that closes badly cannot do this job well. A throat damper closes metal on metal, with no gasket, so it does not seal tightly even when new. It should still close squarely without wide gaps. If a better seal is your main goal, ask about the options, and we explain what each one can realistically achieve.
Surface rust versus rust damage
A throat damper often shows some rust, because it sits in a place that gets both heat and moisture. Light surface rust can be cleaned off and does not weaken the plate. Deep scale, flaking layers and pitting are another matter.
We check how much sound metal is left in the plate and frame and whether rust has reached the pivots. Where the metal is sound, cleaning is enough. Where it has thinned or split, replacement goes on the estimate. The difference is explained on the visit, so you can see why one damper is kept and another is not.
Dust and noise to expect on damper day
Freeing a stuck damper can involve scraping and tapping inside the throat. Replacing a frame can involve cutting old mortar. Both make some noise and some dust.
We cover the hearth and floor and manage dust at the opening as the work goes on. When we finish, debris and old parts are bagged and hauled away. If noise or dust would be a problem at a certain time of day, tell us and we plan the work around it. Pets that react to noise are best kept in another room.
Factory-built fireplaces and the fully open damper
One factory-built wood fireplace manual requires its flue damper to be fully open whenever the fireplace burns. It warns that a closed damper overfires the unit and spills smoke and flames into the room.
That makes damper faults in these units more serious than they look. A control that no longer holds the blade fully open needs repair before the next fire. We check the damper against the manual for your model and use only the listed parts.
What we check on the throat damper
- Plate, frame and pivot condition check
- Frame reset with heat-rated mortar
- Old parts bagged and hauled away
- Open throat covered at each day's close
Before you approve damper work
Can I spray a lubricant on a damper that will not move?
We suggest leaving it alone. Many sprays are flammable and not made for the heat above a fire, and forcing the plate after spraying can crack the casting. Describe the fault to us and let us free it.
Is there a discount when I book damper work promptly?
Yes. Damper work you book inside 72 hours of your free inspection is 10% off, along with any other service in that booking. The inspection and written estimate are free whether or not you book.
Is same-day damper repair available?
Same-day service is available when the schedule allows. Freeing a plate or fitting a stocked control can often be done in one visit. A part that must be ordered, such as a factory-built blade, needs a return visit.
Proudly American
Local service. Careful repairs. A fireplace worth coming home to.
Call Now (645) 465-4171We received your request
Our team will contact you to arrange your inspection.
Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo