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Installation · From $425

Top-Sealing Damper Installation

A throat damper is a cast iron plate resting on a masonry ledge. Even a new one leaks, because metal on brick was never a seal. A top-sealing damper mounts up at the crown instead and closes on a rubber gasket, the way a storm door does — so when the fireplace is idle, the flue is genuinely shut. You feel it first as the cold draft that stops falling into the room, and see it later on the heating and cooling you're no longer sending up the chimney. Closed, it doubles as a rain and animal cap. We measure the flue, mount and anchor the unit, run the cable down to a handle inside the firebox, and test the seal before we leave.

Duration
2–3 hours
Warranty
1-year workmanship
Standard
NFPA 211 · Licensed & Insured
Human reply
< 2 min

Prices shown are starting estimates and may change with the condition, access, and scope we find on site. Only a written quote from an on-site visit is a price we commit to.

What is it

What is top-sealing damper installation?

A throat damper is a cast iron plate resting on a masonry ledge. Even a new one leaks, because metal on brick was never a seal. A top-sealing damper mounts up at the crown instead and closes on a rubber gasket, the way a storm door does — so when the fireplace is idle, the flue is genuinely shut. You feel it first as the cold draft that stops falling into the room, and see it later on the heating and cooling you're no longer sending up the chimney. Closed, it doubles as a rain and animal cap. We measure the flue, mount and anchor the unit, run the cable down to a handle inside the firebox, and test the seal before we leave.

Every top-sealing damper installation includes:

  • Flue measured and the unit sized to fit
  • Damper anchored at the crown on a rubber gasket seal
  • Cable run and handle mounted inside the firebox
  • Seal and operation tested with you watching
  • Rain and animal protection whenever it's closed

Scoped from a graded inspection

At PCS Services, a top-sealing damper installation is never guesswork. We scope every job from a graded, photographed inspection first — the NFPA 211 level the evidence calls for — so the work is matched to what your flue and masonry actually need, with the report to prove it. The documented inspection is the record the top-sealing damper installation is built on.

Chimney inspection
Why choose us

Why DFW homeowners pick PCS for top-sealing damper installation.

We've worked on 0+ DFW homes over 15+ years. Every job — small sweep or full rebuild — runs the same way: certified technicians, written quotes, photo reports, warranty in writing.

15+
Years crew experience
2x
Visits a year, on the plan
22
Metros covered

Our own trained inspectors — never subbed out

Written quote before any work begins

1-year workmanship warranty

Insurance-grade photo documentation

Who we are

Prime Chimney Services. Crews with 15+ years on DFW chimneys.

Family-owned, licensed and insured, working to NFPA 211. We're the team you call when you want it done right the first time — no rotating subcontractors, no upsell pressure, no surprises. Same techs, same trucks, same standard.

Licensed & Insured
Gas, electrical and structural work signed off by a licensed pro
NFPA 211 Compliant
Code-compliant on every job
Owner on every job
Personal accountability, every time
1-year workmanship warranty
In writing, every job
PCS Services technicians on site
PCS
DFW Metroplex · Licensed & Insured
NFPA 211
Code compliant
FAQ

Common questions about top-sealing damper installation.

What's actually included in the annual plan?

One full visit a year: a complete sweep, a top-to-bottom inspection, and a photo report you keep. Between visits you get the part you can't see — we track your schedule, send the reminders, and hold priority slots for plan members during the fall rush. If a repair ever comes up, you get a written quote first. There's no contract; the plan renews only if you want it to.

How do the reminders work?

Before we leave your first visit, next year's window goes on our calendar. When it gets close, we reach out — text or call, your choice — and you pick the exact day. If you don't answer, we try again. That's the entire trick of the plan: your chimney gets maintained because someone whose job it is remembered, not because you happened to.

Is a maintenance plan worth it for every home?

Honestly, no. If your chimney was built or fully relined in the past year, wait — it doesn't need a plan yet, and we'd rather tell you that than sell you one. Same if you have a gas-only fireplace you light twice a winter: an inspection every year or two covers you. Plans earn their keep for wood burners and busy households. On the fence? Ask. We'll tell you straight.

When should I book my yearly sweep?

Late spring through summer is the smart window. The chimney's done for the season, everything winter did to it is visible, and appointments are easy to get. Most people call in October instead, when the calendar's slammed and the first cold front is a week away. Either works. But book in June and you'll never think about it in October.

Why is fall such a rush?

Because the first cold snap is the chimney trade's alarm clock. From September through November, everyone who forgot their fireplace all year remembers it in the same two weeks, and every sweep in Dallas–Fort Worth is booked solid. It's the worst time to need an appointment, and it's the whole reason our plans schedule you automatically before the crowd shows up.

Last reviewed:

15+
Years on Crews
2x
Visits a Year
0
Surprise Fees
< 2hr
Response
Ready when you are

Talk to a real chimney tech today.

Free written quote. Same-week scheduling. 24/7 emergency response when you need it.

Licensed & Insured Same-Week Scheduling Written Quote, Always
Emergency

24/7 Response

Active leak, animal in flue, post-fire damage, or smoke event? Real humans on the line 7 AM to 12 AM every day — replies in under 2 minutes. Tech dispatch within 2 hours during business hours, subject to crew availability after-hours.

Emergency line
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