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Old 12-16-2011, 03:56 PM   #1
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Leaky Chimney. furnace gone/water heater only


Didnt realize my chimney was in such bad shape.
http://imgur.com/a/B9zL9


Noticed water on the top of the cinder block in the garage.
Is there anything I can do just to get through winter?
Im afraid anything i put on there will just flake off with the next layer that delaminates from the brick.

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Old 12-16-2011, 06:13 PM   #2
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Leaky Chimney. furnace gone/water heater only


Is the cap (concrete top) cracked?

Have you made any changes to the heating system in recent years?

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Old 12-16-2011, 06:29 PM   #3
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Leaky Chimney. furnace gone/water heater only


was wondering the same thing if maybe you need a fluelinner....did you think about using portland cement and coat the entire chimney weather seems to be holding ...roof don't seem that steep.....2-3 hour job..
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Old 12-16-2011, 07:00 PM   #4
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Moisture is getting into the bricks--from above--(cracked cap) or from inside--(cracked liner) or excess moisture from changing to a different furnace that no longer requires so large a flue.
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Old 12-17-2011, 09:21 AM   #5
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Leaky Chimney. furnace gone/water heater only


Furnace was upgraded to a HE in 2005 I think. I bought the place in 2008. Only thing venting out it has been the hot water heater. It was in the garage, but I moved it to the basement a couple years ago.

there was a crack in the cap. Previous owner must have patched it.
http://i.imgur.com/9WKGQh.jpg

Looks like there's quite a bit of moisture in there...
http://i.imgur.com/Z9fVfh.jpg

So it appears the flue is too big for the hot water tank. I'm adding a 100KBTU boiler for radiant heat for the basement/garage, wont run as often as the house furnace though. Will that help things?
or do i need to drop a few hundred on a separate liner for it?
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Old 12-17-2011, 03:34 PM   #6
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Leaky Chimney. furnace gone/water heater only


I'm going to move this to HVAC for you and add to the title--the moisture is a big concern.
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Old 12-17-2011, 03:39 PM   #7
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Can you tie new boiler and water heater togeother in basement ....then install new flue linner to handle both...ben
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Old 12-18-2011, 05:27 AM   #8
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Just a thought---replace the water heater with a high efficiency unit with a pvc vent and abandon the chimney---remove it in the spring and fix the roof.

Might be the cheapest in the long run---Mike---
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Old 12-18-2011, 05:56 AM   #9
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Quote:
Originally Posted by oh'mike View Post
Just a thought---replace the water heater with a high efficiency unit with a pvc vent and abandon the chimney---remove it in the spring and fix the roof.

Might be the cheapest in the long run---Mike---
Good idea.

Of course, if the OP is going to put a nat draft boiler in for radiant, he can't do that then.

He might want to consider a condensing boiler that direct vents, and an indirect water heater instead of a conventional boiler.
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Old 12-18-2011, 07:28 AM   #10
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Thanks,Been there--I don't like adding my two cents in the HVAC area as my knowledge is limited.

And a bad bit of advice about a chimney from me could be costly--Mike---
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Old 12-18-2011, 07:51 AM   #11
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No problem.

I understand, I have just enough knowledge about plumbing to get me into trouble. But not necessarily enough to get me back out.
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Old 12-18-2011, 12:57 PM   #12
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Leaky Chimney. furnace gone/water heater only


maybe its just me but shouldnt that flashing be on top of shingles?

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