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-   -   My chimney damper is stuck open and I've got no chimney cap... (http://www.diychatroom.com/f105/my-chimney-damper-stuck-open-ive-got-no-chimney-cap-179154/)

a1481155 05-09-2013 12:22 PM

My chimney damper is stuck open and I've got no chimney cap...
 
I'm concerned about rain, birds, critters, snakes, etc...getting in my house through my chimney flue & vents. The flue is 13inchx13inch and the other 2 vents are basically a concrete block on it's side being used to vent nothing & I'm planning to close them in.

I'm not finding many with experience on chimneys/fireplaces in this area but one co. I called told me that I could not put a cap on it because the flue and vent openings are flush with the chimney top. Also the chimney top is flat but should be pitched away from openings.

I was told that if I want to put a cap, a full size chase cover will not work because that assumes you have a working damper. So, I'd have to chip away some of the concrete around the flue and add enough additional flue/vent to rise above the chimney top to be able to attach a cap...then I need to build up and pitch the chimney top away from the new higher flue/vents.

Your thoughts and opinions are greatly appreciated.

I'd also like to re-stucco the chimney to a more smooth finish rather than the brick look. That said, which should be done first...?

A) Adding a short section of tile flue and concrete crown.
B) Re-stucco brick finish to a smoother finish.

Thanks!

http://imageshack.us/a/img195/1018/chimneytop.jpg

Amateuralex 05-09-2013 02:10 PM

I put chimney caps on at my house just last week. The model from lowes will work in a chimney like yours, but you have to order an additional kit of legs that sit down in the flue.

jomama45 05-09-2013 04:26 PM

Not sure about where you're at, but here the flue must extend at least 4" above the cap/crown. I don't care for the way the cap is either, but it's likely you don't see the freeze-thaw cycles where you are like we experience. A cap should really be concrete, and have at least 2" overhang overhang over the brick, with a drip edge in the underside. As for the damper, do a search for "chimney top dampers"..............

a1481155 05-10-2013 11:37 PM

Introducing my new best friend;
PB Penetrating Catalyst.
http://imageshack.us/a/img248/9611/dsc00442hg.jpg

Sorry I didn't post before pics but after 2 rounds of WD-40 & wire brush, I found this stuff on sale at HD and ended up using the entire can in several stages today.

I have 3 hinges on my damper & handle; I basically smothered the 2 top hinges on each side especially the middle one, let them soak for a while, then aggressively scraped the hinges with the wire brush, then forcefully tried to pry the damper handle open & closed manually.

..repeated...repeated...
...repeated...repeated...

Let me say, I probably was not forceful enough when I first tried to pry open the damper after the first 2 rounds with the WD-40 but since I had the inspector tell me not to worry about breaking anything, I started all over again...

I smothered the 2 top hinges on each side, let it soak for a while, then hit the hinges with the wire brush then aggressively try to pry the damper handle open & closed.

..repeated...repeated...

POP!
That did it; this Beatch is closed!

So now my options change...
I can go for a chase cover and/or just cap...am I missing any other options?

http://imageshack.us/a/img40/9213/dsc00402b.JPG
http://imageshack.us/a/img209/3008/dsc00412at.jpg

joecaption 05-11-2013 07:21 AM

Someones still going to have to finish off the crown on that chimmney.
It's complety wrong the way it is now.
With now it's forming a pond for water to just run down inside the flue.
Should have looked like this.
http://www.bing.com/images/search?q=...ectedIndex=148

a1481155 05-11-2013 08:19 AM

Thanks! I'd also like to re-stucco the chimney to a more smooth finish rather than the brick look. That said, which should be done first...?

A) Adding a short section of tile flue and concrete crown.
B) Re-stucco brick finish to a smoother finish.

Dave Sal 05-11-2013 08:48 PM

Quote:

Originally Posted by a1481155
Thanks! I'd also like to re-stucco the chimney to a more smooth finish rather than the brick look. That said, which should be done first...?

A) Adding a short section of tile flue and concrete crown.
B) Re-stucco brick finish to a smoother finish.

Functionality always trumps cosmetics. Get it working properly and capped to prevent water issues, then you can deal with how it looks.

a1481155 05-12-2013 02:13 PM

Good point, thanks!

a1481155 05-12-2013 02:33 PM

Quote:

Originally Posted by joecaption (Post 1176977)
Someones still going to have to finish off the crown on that chimmney.
It's complety wrong the way it is now.
With now it's forming a pond for water to just run down inside the flue.
Should have looked like this.
http://www.bing.com/images/search?q=...ectedIndex=148


How about if I go with something like this chase cover with a single flue cap in stainless steel or copper?

http://imageshack.us/a/img24/3345/ch...coverparts.jpg

jomama45 05-12-2013 08:27 PM

That will work, but I'd still plan on making it bigger than the existing brick chase, so that there's some overhang and a drip-edge, especially if you plan on stucco on the chimney........

a1481155 05-13-2013 11:46 AM

Quote:

Originally Posted by jomama45 (Post 1178018)
That will work, but I'd still plan on making it bigger than the existing brick chase, so that there's some overhang and a drip-edge, especially if you plan on stucco on the chimney........

Thanks! How does this sound? The stucco guy says he can build it up a little with concrete to give me a small pitch all around the flue, cover the 2 smaller holes that I don't need and give me a bit of an edge.


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