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rchrivera 12-21-2009 10:55 AM

how to repair chimney problem
5 Attachment(s)
Hey all, I was hoping someone could point me in the right direction of repairing my Chimney. I just notice this problem when I was up on the roof hanging Xmas lights. Below are some pictures of the current state of my Chimney.

DangerMouse 12-21-2009 11:05 AM

Hi and welcome to the forum....
wow... you've got quite a mess there, huh?
if it were me, i'd tear it down to the roof and redo the whole thing.
where are you located? weather?


rchrivera 12-21-2009 11:08 AM

Thanks for the welcome and reply! I am located in South NJ we just got hit with a big snow storm so I have to wait till after winter.

DangerMouse 12-21-2009 11:22 AM

is this chimney used at present? fireplace or home furnace?


Daniel Holzman 12-21-2009 11:27 AM

Hard to tell from the pictures, but it looks like the chimney is made from concrete block with cement parging. You should check to see if the part of the chimney that is below the roof line is made of the same material. Based on the amount of damage, it seems possible that the chimney is built from block not designed to resist heat and moisture, in which case you would need to replace the chimney fromthe bottom up. Looks like it was "repaired" once before, that metal band certainly does not look like original material.

rchrivera 12-21-2009 11:32 AM

Yea its made out of concrete block, the chimney is no longer in use except for the output line for our hot water heater.

DangerMouse 12-21-2009 12:29 PM

we had one like that at our old place.... i tore it down to the attic floor and floored over the remainder and then we got a new roof on. we also got new HWH and furnace that vented from the side of the home.
the wife loved all the extra storage space in the attic! (and not having to squeeze around the old brick chimney)


MJW 12-21-2009 01:20 PM

We have taken these down many times. Get rid of that old chimney down below the roof line and use a storm collar on the pipe. Rebuild the roof where the chimney was. Now you just have the pipe that is in use sticking out. This should have been done when the new roof was put on, but it can be done after also. I can't believe a contractor would leave that old chimney stand like that and just tar around it........

rchrivera 12-21-2009 02:51 PM

Now would I have to get rid of the whole Chimeny? It runs from my basement all the way up to my roof.

DangerMouse 12-21-2009 03:16 PM

i took mine down to below the attic floor, left the rest.
repaired hole, re-roofed and was done with it.


rchrivera 12-21-2009 04:25 PM

Yea I think thats what I am going to have to do this spring is just tear it off. Now my current hwh outputs through the chimney do you know if I could you the same hwh and have it out put through the side of the house or if I would have to buy a new hwh?

DangerMouse 12-21-2009 04:32 PM

go to plumbing and post that as a new question there to be safe.
the guys there will be happy to answer that.


rchrivera 12-21-2009 04:52 PM

Thank you for all your help!

DangerMouse 12-21-2009 05:01 PM

n/p it's why they pay us the big bucks....


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