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Where the chimney leak starts, found and fixed in Key Biscayne

We trace the water back to where it enters, then repair that part rather than the stain it left.

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Signs a chimney leak has started

  • Paint bubbling on the chimney wall
  • Dripping sounds inside the chimney in rain
  • Leak that appears only in strong wind
  • Brown streaks on the chimney breast
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The order we follow on each chimney leak

Rust streaks down the outside

Rust streaks on a chimney or its chase usually start at metal that is corroding. A rusting cap, a chase cover with holes or old steel at the roof junction can all leave streaks. Where metal is rusting, water is getting at it.

We trace each streak to its source. A streak from a cap that is simply weathering may not be a leak path. A streak from a rusted-through cover probably is. The findings say which is which, so rust staining does not get mistaken for proof of a leak.

Cracked stucco on a leaking chimney

If your chimney is finished in stucco, cracks in the finish can let water in behind it. On a masonry chimney, the water soaks into the block or brick. On a framed chase, it can reach the sheathing and framing, which is more serious.

We look for cracks, hollow-sounding patches and stains below the cracks. The findings say whether the stucco is the likely path and whether the structure behind it needs checking. Stucco repair is written as its own item, with any hidden damage assessed separately.

Standing water behind the damper

The smoke shelf sits behind the damper, at the bottom of the space where the flue begins. Rain coming down the flue often collects there. Debris on the shelf can hold water and let it soak into the masonry around the fireplace.

We check the shelf during the inspection if it can be reached through the damper. Standing water or wet debris there points strongly at the top of the chimney. Cleaning the shelf is a simple step, but the source of the water still needs its own repair.

Hearing the findings in person

The findings are easiest to follow when we can point to the marks and the parts as we explain them. If you can be home at the end of the inspection, we walk you through what we saw inside and describe what we saw outside.

If you cannot be there, someone who knows the history can stand in, or we explain the findings by phone. The written estimate follows either way. Questions after the visit are welcome, and we would rather answer them before you approve than after.

What the leak repair estimate covers in Key Biscayne

  • Crown surface and edges
  • Repair for the confirmed entry point
  • Unused flues checked at the top
  • Open chimney covered each work day

Common questions on tracing a leak

Can I keep using the fireplace while the chimney leaks?

It is wiser to wait until we have looked. A leak can leave wet debris, a sticking damper or damp masonry around the firebox. The inspection covers what the water may have affected inside the chimney.

Can you show me the part that caused the leak?

Yes, if the repair removes it. Ask before the work starts and we set the old piece aside for you to look at. The written record also describes what we found when it came off.

What makes one leak repair bigger than another?

The part involved, how far the damage has spread and how hard the part is to reach. A resealed joint is small and a new crown is larger. The estimate explains each factor so you can see why the scope is sized as it is.

More Ways to Care for Your Fireplace

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