Joint between chimney and wall

REXAMUS

I have searched the internet but couldn't find a definite answer.

What is the correct way to seal the joint where a wall meets a brick chimney? The wall will be 1/2" sheathing -> house wrap -> vinyl siding.

gregzoll

Can you post a picture.

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titanoman

The sure way is to notch a groove into the brick that metal flashing inserts into and goes under the vinyl.
The lesser reliable way is to just run a good bead of 100% silicone under the vinyl corner trim and press it onto the brick; or a combination of the two.

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REXAMUS

None available right now but I found this and it's pretty much the same minus the vinyl siding part.

http://www.flickr.com/photos/2801617...57605835178607


(example^) not actually mine.

I currently do not have the vinyl siding up and it's just the sheathing and housewrap.

gregzoll

J-Channel would be the more professional way of doing it.

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ben's plumbing

that chimney is not functioning right looks like its condensating inside...is there a flue linner in there...if not needs one...

gregzoll

Ben, that picture as the OP stated is for an example of the project at hand. Not the actually structure that the OP owns, or in the process of working on, as they stated.

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titanoman

That's not their chimney.

ben's plumbing

yea by bad.....up to long thanks..

ben's plumbing

yep by bad been up to long thanks..

joecaption

ohttp://www.certainteed.com/products/trim/trimboards/317641f
I like to use this instead of J molding.
Much more ridged so it's less likly to flex and crack the caulking. It's
also wider to cover the gap between the wall and the chimney.

REXAMUS

So j-channel is sufficient enough? That's what I planned on using I just thought maybe I was missing something. Thanks!

titanoman

So am I wrong (post #3)?
(I didn't mean "corner" trim in the alternative method. I meant whatever you call the finishing piece of vinyl you would use to cap the end of the siding whenever it butts into something. I guess it's in the shape of a "j". But since water can get behind "j" channel, isn't my first solution correct?)

gregzoll

As long as the flat is long enough to go past the siding. Then again, if water does get in back, it should just roll down the house wrap and should not get behind, if everything is done correctly.

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rossfingal

End the vinyl siding into "J", channel - "channel", against the bricks.
You can caulk between the bricks and the "J" channel -
"Quad", "Solar Seal", "Vulkem".
Don't caulk inside the "J" channel - ("channel to siding").
Make sure all surfaces are dry, clean, and frost-free - before you do any
caulking!

rossfingal