
Chimney Waterproofing
Breathable sealant that keeps water out of the masonry.
Learn moreChimney leak repair is the work of finding where water is entering a chimney and stopping it. Leaks come from a handful of usual suspects — the crown, the cap, the flashing, porous masonry and failed joints — and the fix depends entirely on which one is the culprit.

Chimney leak repair is the work of finding where water is entering a chimney and stopping it. Leaks come from a handful of usual suspects — the crown, the cap, the flashing, porous masonry and failed joints — and the fix depends entirely on which one is the culprit.
A leaking chimney rarely stays a chimney problem. Water that gets into the masonry damages the structure from the inside, then shows up as stains on ceilings and walls, rusted dampers and rotted framing. Finding and stopping the leak early prevents damage that spreads well beyond the chimney itself.

We check the usual entry points — crown, cap, flashing, masonry and joints — to find the real one.
We repair the specific failure rather than just sealing over the symptom.
We address related weak points so the leak doesn't simply move.
We make sure water is being kept out where it was getting in.
Between heavy rain and constant freeze-thaw, leaks are one of the most common chimney problems we handle across the Pittsburgh area. The freeze-thaw part is what makes it urgent — water that's merely a nuisance in summer becomes structural damage the moment it freezes and expands inside the masonry.
Leaks often track with wind-driven rain or with the freeze-thaw cycle, so they can seem to come and go. That doesn't mean the problem is minor — it means the entry point is only reached under certain conditions. It's worth finding before winter.
Usually. Most leaks come from a short list of known entry points, and an inspection of the crown, cap, flashing and masonry finds the great majority without any demolition.

Breathable sealant that keeps water out of the masonry.
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Sealing and repairing the cracked crown at the top of the chimney.
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Resealing the flashing where the chimney meets the roof.
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Fitting a cap to keep rain, animals and debris out of the flue.
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Restoring brick, block and stone on aging chimney structures.
Learn moreTalk to a Pittsburgh-area chimney and fireplace pro today.
412-459-7788