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Author Topic: Chimney Collar?  (Read 1742 times)
MN
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« on: January 23, 2014, 04:33:16 PM »

Any chimney experts?
I have finally found the cause of damp and blowing plaster in our kitchen.

The chimney is made up of stacked rings and looking down the chimney one appears not to be stacked correctly – about 2 foot down.  So the water then goes into the house
It has a spinning ‘Colt’ Cowl on the top – which doesn’t help as I am guessing they are the worse for letting in rain.
The top opening is 150mm.
Can anyone see a problem if I get a 145mm stainless steel collar made – say 3 foot long and slide into the chimney – so the water goes passed the gap that is letting in water?
Or any other ideas which don’t involve totally taking down the chimney?

Thanks

MN
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Other-Power
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« Reply #1 on: January 23, 2014, 04:45:06 PM »

You should not have rain getting into your stack, tackle the problem at its source, not dealing with the symptoms.

I would suggest you install a cowl that does a proper job.

I currently have a similar problem and have installed a bag over the pot to prove that is the cack cowls/Peper pots funneling water in to the stack.  I am looking at removing the pepper pots and seeing what happens when there is no cowls at all,  if I need to install cowls I will try Chinese hats.

Jon
« Last Edit: January 23, 2014, 04:48:18 PM by Other-Power » Logged

My advice is based on me spending my money doing this and my job spending others money doing this.
MN
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« Reply #2 on: January 23, 2014, 05:28:14 PM »

You should not have rain getting into your stack
The rain we have had recently would get through any cowl I would think.  I always assumed some rain would go down a chimney.
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Other-Power
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« Reply #3 on: January 23, 2014, 05:30:44 PM »

You should not have rain getting into your stack
The rain we have had recently would get through any cowl I would think.  I always assumed some rain would go down a chimney.

true,  but not to a level your describeing
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My advice is based on me spending my money doing this and my job spending others money doing this.
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