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Water Leaks on Prefabricated Chimneys

Unlike Masonry Chimneys, Prefabricated chimney components are made of thin sheet metal and are very susceptible to rusting. Left unchecked, water damage often causes your fireplace or stove to become damaged beyond repair requiring a total replacement of the entire system! For this reason, it is imperative that water is not allowed to collect or infiltrate where it doesn’t belong!

The following are the most common types of water leakage problems we see on prefabricated, factory-built chimney systems. If your chimney system has any of these problems, you’ll want to have it corrected as soon as possible to avoid unsafe conditions or avoidable expensive repairs in the future.

Chimney Cap Issues

Damaged chimney rain cap.

Missing chimney rain cap.

Chase Pan Cover Issues

Ponding water on chase pan cover.	Chase pan cover rusted through.	Chase pan cover penetrated with nails or screws.
Chase pan cover rusted and incorrectly pieced together.	Wood rot due to an incorrectly sized chase pan cover.

Storm Collar Issues

Storm collar missing.

Storm collar not caulked.

This storm collar has been installed too high.

Signs of Water Leaks

A peek between the upper fireplace ventilation louvers will often reveal water marks if a leak above is present.

Visible water stains inside the firebox are also strong indicators that the sheet metal firebox is on its way to becoming rusted out.

When this happens, the entire fireplace and chimney pipe will need to be replaced.

Extensive rust damage.

You can convert your prefab unit with a wood stove insert. Consult with A to Z to get all the details about this type of upgrade to be sure it’s done right!

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Thanks for the awesome Service! We had one of your larger competitors come out to fix a water leak in our chimney, only to have it start leaking again a short time later! We called them back out to fix the problem (obviously not fixed right the first time), and they wanted to charge us for another service call! Then we called A to Z, and our problem was quickly and easily diagnosed! Apparently, the other company had tried the band-aid approach with caulk and roofing tar! Your technician knew what he was doing and the problem was fixed PERMANENTLY in short order! You guys are A-1 top notch! If you ever need a reference, let me know!
~ Jerry Dennis
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