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Prefabricated Chimney Chase Pan Replacement

A Chase Pan is like a shallow cookie pan installed upside down over the top of your chimney. It’s sole purpose is to keep damaging rain water from entering the chimney structure and your home. Sometimes a Chase Pan Covers allows water to leak into the chimney because it’s made or installed improperly, or it has developed rust which has eaten a hole clear through the metal due to standing water ponding for long periods of time.

Old leaking chase pan cover is removed.Old leaking chase pan cover is removed.

New properly fitted chase pan cover is installed.New properly fitted chase pan cover is installed.

If this is the case with your Chase Pan Cover, it should be replaced before continued water intrusion is allowed to further damage your fireplace, walls, or chimney chase. We have seen many cases where a neglected water leak has caused the fireplace to become rusted through, wood siding and 2x4’s become dry rotted, and walls and ceilings need to be replaced. Paying a little now to have a new, properly-fitted chase pan cover installed will save lots of money and headaches in the long run.

Typical reasons for water leaks on top of Prefab Chimneys

Water ponding on chase pan.Water ponding on chase pan.

Improper drip edge.Improper drip edge.

Rusted through chase pan.Rusted through chase pan.

Missing storm collar.Missing storm collar.

Storm collar set too high.Storm collar set too high.

Your prefabricated chimney pipe may need to be relined to keep it safe to operate. A to Z can perform this skilled repair the right way the first time!

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Angie's List Super Service Award


A to Z did a great job sweeping our chimney! After they cleaned the flue, they put a small camera up the chimney to make sure it was sound. He had me look at the computer screen to show me what he was looking at and he was able to show me that our chimney was in great shape (after the cleaning, of course).

The whole process was seamless and easy for me and the technician was very professional throughout.

~ Lori Hanegan, Rocklin, CA
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