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Gap Around Chimney - Need HELP!

 
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Old 05-29-2015, 07:08 PM   #1
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Gap Around Chimney - Need HELP!


Hello all!!

I am doing the floor tile for a customer who has a home with a large gap surrounding a chimney. She asked me to close the gap so it looks good AND to help reduce heating/cooling leaks. This is a large gap going straight into her attic. Nice home and I am not good with exterior work.

Please take a look at the picture and offer any ideas...I would greatly appreciate it!! I was thinking to continue to wrap the soffit behind the chimney but there is nothing to tie into against the chimney.

Thanks!!!
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Old 05-29-2015, 08:36 PM   #2
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Re: Gap Around Chimney - Need HELP!


You need to put some braces on that to re-attach to the wall.

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Old 05-29-2015, 09:11 PM   #3
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Re: Gap Around Chimney - Need HELP!


Doesn't look like it was ever attached to the wall. First time I've ever seen vinyl siding passing behind a chimney.
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Old 05-29-2015, 09:21 PM   #4
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Re: Gap Around Chimney - Need HELP!


If it goes into her attic, how can there be heat loss?
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Old 05-30-2015, 07:09 AM   #5
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Re: Gap Around Chimney - Need HELP!


You are correct...it was never attached to the wall to begin with. I think they had a peice of metal flashing just covering it up but came off over the years.

What would you recommend using for me to mount onto the back of the chimney so I can attach some kind of metal to the other side where the wall is?
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Old 05-30-2015, 07:28 AM   #6
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Re: Gap Around Chimney - Need HELP!


Can you access that spot from the inside? That might be easier.
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Old 05-30-2015, 07:39 AM   #7
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Re: Gap Around Chimney - Need HELP!


I'd say the chimney was built later after the house and they just maintained a safe airspace from the combustibles. You need to go ahead and cut the siding out, break trim coil on a 90 to cover the gap, install a J channel, it will look fine.
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Old 05-30-2015, 07:41 AM   #8
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Re: Gap Around Chimney - Need HELP!


Spray Foam. A lot of SPRAY FOAM!!
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Old 05-30-2015, 07:49 AM   #9
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Re: Gap Around Chimney - Need HELP!


The only place you need to insulate is the gap at the soffit, mostly to keep the critters out...
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Old 05-30-2015, 08:27 AM   #10
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Re: Gap Around Chimney - Need HELP!


You seem to have the most knowlede on this vs the other replies. Sorry for the stupid question, but what do you mean by cutting the vinyl siding out and breaking the trim coil? Is there a way you can send links to a photo or product?
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Old 05-30-2015, 08:44 AM   #11
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Re: Gap Around Chimney - Need HELP!


Your question isn't stupid at all. I'm sure everyone does things differently, but what I was talking about is the way people do it around here.

There isn't anything wrong with the picture you posted other than the gap in the soffit, which you can stuff insulation in, and it's not to pretty.

To make this look better, I would cut the vinyl up beside the chimney so when you break your metal on a 90 degree angle you can slide the metal underneath. Then attach your J channel, so you can finish out your siding.

This isn't very expensive, just takes a lil time, and I think you will be happy with the end results.

I will go through my pictures to see if I have any that might help you out.
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Old 05-30-2015, 08:56 AM   #12
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Re: Gap Around Chimney - Need HELP!


Lucky they don't have squirrels and birds in the attic already. That's the reason to close it, not heat loss.
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Old 05-30-2015, 09:31 AM   #13
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Re: Gap Around Chimney - Need HELP!


Quote:
Originally Posted by brickhook View Post
The only place you need to insulate is the gap at the soffit, mostly to keep the critters out...
I think it looks sort of cool, as a 'stand alone'. It's not inside the building envelope (other than below) so won't conduct.
You're right, the gap is nothing but a soffit vent and hopefully we don' t close those off...provided the attic is vented, provided there's insulation between the living area and the attic, provided the attic isn't a living space, provided....
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Old 05-30-2015, 12:55 PM   #14
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Re: Gap Around Chimney - Need HELP!


Here is a pic I found on google that shows what Brickhook was describing you could do.

The difference being the siding is not ending in a channel.

You can also install a continuous flashing that would eliminate all those seams.
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Old 05-30-2015, 02:21 PM   #15
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Re: Gap Around Chimney - Need HELP!


Quote:
Originally Posted by CHB70 View Post
Here is a pic I found on google that shows what Brickhook was describing you could do.
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Old 05-30-2015, 04:47 PM   #16
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Re: Gap Around Chimney - Need HELP!


Quote:
Originally Posted by naturemanmh View Post
You seem to have the most knowlede on this vs the other replies. Sorry for the stupid question, but what do you mean by cutting the vinyl siding out and breaking the trim coil? Is there a way you can send links to a photo or product?
When brickhook says 'break... 90 degress,' it means neatly bending a piece of rolled flashing/metal (trim coil) on a metal break (a great piece of equipment that makes nice neat and even bends in sheet metal)
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Old 05-30-2015, 05:01 PM   #17
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Re: Gap Around Chimney - Need HELP!


i would bet the were 2 layers of siding previously,most likely a wide exposure cedar shake then aluminum over that before the chimney was built,removed down to the sheathing when the vinyl was installed
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Old 05-30-2015, 11:46 PM   #18
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Re: Gap Around Chimney - Need HELP!


Well, it looks like someone has possibly done an addition at some point ...not sure how that's set up, but I have several thoughts.

1. Don't be afraid to say no. Not sure your specialty (s) but that's a good pretty good stretch for a tile guy in some cases.

2. If its safe, and supported, brick could possibly be added. Still , going next to dutch lap vinyl , its not ideal .

3. The best solution is terminating the vinyl, breaking metal to the brick with a hemmed edge.
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Old 05-31-2015, 06:05 AM   #19
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Re: Gap Around Chimney - Need HELP!


I think you should consider passing on this project. By your own posts, it's not really your thing.

Once a lady wanted me to repair a crack in her brick house. I did the best thing for both of us. I recommended someone else. She became very upset. She wanted me to do the work. I explained it wasn't something I was very good at and neither of us would be happy with the results. She persisted until I said, "If your car was broke down, you wouldn't hire me to fix it because I'm not a mechanic. You need to hire a mason." Instantly she understood. 3 years later she's gotten over it.
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Old 05-31-2015, 09:55 AM   #20
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Re: Gap Around Chimney - Need HELP!


Well said.

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