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Top-Sealing Damper Installation in Clearwater, FL

A damper at the top of the flue that seals out rain, bugs and humid air when the fireplace is off.

  • Licensed & insured
  • Same-day service available
  • Owned and run locally
  • Family run

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Why Clearwater Homeowners Call Us

Installing a top-sealing damper puts a gasketed lid at the top of the chimney flue, controlled by a cable that hangs down into the firebox. In Clearwater homes it keeps rain, insects and humid outdoor air out of the flue when the fireplace is off, and it doubles as a cap with a screen.

  • Family run

    One family owns the company and answers for every job our crew does.

  • Owned and run locally

    Our office is on Calumet St, and our work stays in Clearwater.

  • Free inspection

    We inspect for free and tell you plainly what we found.

  • No hidden fees

    The written price is the price. New work needs your yes first.

  • Same-day service available

    When the day's schedule has an open slot, we can come out the same day.

  • Licensed & insured

    Licensed and insured for chimney and fireplace work. Ask for the details when you book.

Signs You May Need Top-Sealing Damper Installation

The damper in most fireplaces sits low, just above the firebox, and its metal plate rarely seals well. A top-sealing damper sits at the top of the flue instead, with a gasket that closes tight. Pull a cable at the firebox to open it; release to close.

  • A throat damper that is rusted, warped or missing
  • Drafts or humid air coming from the fireplace
  • Insects or birds getting into the flue
  • A musty smell from the firebox

How a chimney top damper works

A top mount damper is a metal lid with a gasket, hinged on a frame that is sealed to the flue tile or crown. A stainless cable runs down the flue to a handle mounted inside the firebox. Pull the handle to open the damper before a fire; release it and a spring holds it shut. A chimney top damper installation like this takes an hour or two on most flues. Because it seals the whole flue at the top, the flue stays drier and the house loses less air.

When it is a good fit

A top-sealing damper is a strong choice when the original throat damper is rusted through or warped, when the fireplace sits unused most of the year, or when humid air and insects come in through the flue. It also replaces a separate cap, since most models have a built-in screen and lid.

Installation and limits

We sweep the flue first, check the crown and flue tile for a sound mounting surface, seal the frame and run the cable. A fireplace fitted with a vented gas burner must keep its damper locked open as that burner's instructions require, so we check what is in the firebox before recommending a top damper. Throat damper repair is a separate job; see chimney damper replacement.

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  • Free inspection
  • Family owned and operated
  • Licensed & insured
(239) 748-2971

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A locally owned Clearwater family business, with an experienced crew that works inside the city.

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Book a Free Chimney Inspection in Clearwater

Send the short form and the office sets a time. Our crew inspects, and you see the written price before anything is touched.