My chimney, on windy days, has smoke coming back into the great room.  I know it's downdrought or something like that but where can I find a product close by to fix this?  I saw this but it's in England; http://www.stovesonline.co.uk/wood_burning_stoves/Chimney-Cowls.html

 

I looked at Home depot's and Lowe's site but found only caps etc.

 

anyone know?

go to an HVAC supply house they make something similar. chances are you wont find it in the big box but they do have chimney caps local. I had to add one when i did the new heat in my house along with a liner. I think i got it thru Ferguson in Lakewood.

Check with a local fireplace/wood stove place. There is a couple of issues that can cause this but they should be able to help you out.

Try tractor supply, maybe.

 

Or this place, http://www.stoveworksnj.com/

i know what you need, its called a vornado cap or something, i have the same problem.

thanks....I know it's because the chimney is too low vs the other one as this room was added on and how our house sits the wind comes down around on it (if that makes sense)    I saw online there are products for this but nothing close and nothing that is reasonable to order online. 

here it is, i was close

 

http://vacustack.com

go to an HVAC supply house they make something similar. chances are you wont find it in the big box but they do have chimney caps local. I had to add one when i did the new heat in my house along with a liner. I think i got it thru Ferguson in Lakewood.

just noticed Colonia....my wife is from Colonia....

 

I will see what they have at a hvac place this weekend.....frustrating

here it is, i was close

 

http://vacustack.com

thanks.....

http://www.woodlanddirect.com/Chimney/Top-Sealing-Chimney-Dampers/Lock-Top-Chimney-Cap-Damper

 

I got one 2 years ago and my family room has been warmer than ever.  It used to be an icebox.

http://www.woodlanddirect.com/Chimney/Top-Sealing-Chimney-Dampers/Lock-Top-Chimney-Cap-Damper

 

I got one 2 years ago and my family room has been warmer than ever.  It used to be an icebox.

thanks but I need one that prevents the downdraft when winds are high

There are several causes of this.   The most common cause is lack of makeup air.  A chimney can't draft properly if there isn't fresh air coming into the room to replace the air moving up the chimney.   If the makeup air is just barely adequate a little puff of wind will change things.   Try cracking a window a few inches and see if the problem goes away.

There are several causes of this.   The most common cause is lack of makeup air.  A chimney can't draft properly if there isn't fresh air coming into the room to replace the air moving up the chimney.   If the makeup air is just barely adequate a little puff of wind will change things.   Try cracking a window a few inches and see if the problem goes away.

 

If his house is a multi-story, and the fireplace is on a lower story, then it's quite possible the pipe doesn't vent quite high enough.  When you have a lower story next to a higher story, there is a positive pressure zone created on the lower story when the wind is blowing across the lower onto the upper story.   Simply adding 1-3 feet of liner might solve the problem entirely.

 

How do I know this?  As part of my 2012 renovation, I had to extend my stone chimney about 6 feet.   Code only required roughly 5 feet, but the architect explained the dynamics to me since we added a second story to the back of the house and the chimney is on the front.  He did the math and said we needed a bit more to get out of the positive pressure zone to prevent down drafts...haven't had any yet.

it's a height issue

Is the chimney stainless double or triple wall? Or masonry? If its stainless just add a section or two to get it up higher. Code says it must exceed the peak of the roof by 2' and must be a minimum of 10' from a higher roof or it must exceed the peak of that roof by 2'.

 

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mine is masonry.  I"m gonna get one of those caps that prevents wind from going back down.  pain in the ass when it's windy!