24/7 Emergency Service · Washington, DC DC License #410519000552 (202) 531-6114
Louise August Roofing

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Chimney Repair

Crowns, caps, and brick —
fixed for good.

Cracked crowns, missing caps, spalling brick, failing flashing — we repair every part of the chimney above your roofline, and find the leak before we quote it.

The four ways chimneys leak

Almost every chimney leak comes from one of four places: a cracked crown letting water straight down the stack, a missing cap letting rain pour into the flue, open mortar joints wicking water through the masonry, or flashing that's pulled away where chimney meets roof. We check all four before quoting, because sealing the wrong one fixes nothing.

You get photos of what we found, a diagnosis in plain English, and line-item pricing for exactly what's broken.

Crowns and caps — the cheap fixes that save the stack

The crown is the concrete shoulder that sheds water off the top of the masonry. When it cracks, every freeze pries it wider and drives water down inside the chimney. We rebuild crowns with proper overhang and drip edge, and fit stainless caps that keep rain, leaves, and raccoons out of the flue. Two modest repairs that routinely add decades.

Spalled brick and partial rebuilds

When brick faces pop off (spalling), those bricks are done — water gets in faster every season. We cut out and replace spalled brick with matched units, and when the top courses are too far gone we rebuild from sound masonry up, matched to the original. A leaning or heavily cracked stack gets a straight answer, not a patch.

Chimney Repair questions, answered

Usually the crown, cap, flashing, or open joints — water enters above and tracks down the stack. We isolate the source before quoting so you fix the actual problem once.
Yes. We source matched or salvaged brick for replacements and rebuilds, and weather-blend the new work so the repair doesn't announce itself from the street.
If the structure is plumb and the brick mostly sound, targeted repairs (crown, cap, pointing, spot brick) are the right money. Widespread spalling, deep cracks, or a lean mean rebuilding from a sound course. We'll show you which, with photos.

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