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Chimney Counter Flashing

 
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Old 04-24-2014, 06:15 PM   #21
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Re: Chimney Counter Flashing


Thanks for the replys guys. I was beginning to question whether or not I was crazy for insisting that we always cut a reglet and counter flash.
I am not kidding when I say I think I am the only one in the area. Even roofer whom I have respect for tell me I should just be using "5X5" and if they counter at all they use some out of the box garbage with a huge gap at the top to "caulk"...

I think I am going to just make multiple passes with the grinder until the reglet is as wide as I want. I tried using an air chisel and the noise and time make that an impractical option in my opinion.
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Old 04-24-2014, 07:20 PM   #22
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Re: Chimney Counter Flashing


I still think Peter Scholey from Just lead takes the cake on traditional old school techniques using highly appropriate malleable lead flashings all starting with the DPC tray (damp proof course)

Without a tray in place (set by the mason) all chimneys will still have a propensity for leakage throughout the ages no matter how well stepped and countered it is.

Shame there aren't many customers who will pay the price to retro-ft a pan, but no doubt, this is a case of having it done right the first time around.

Cheers to you Peter!

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Old 04-25-2014, 11:31 AM   #23
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Re: Chimney Counter Flashing


Quote:
Originally Posted by Jhinton View Post
Thanks for the replys guys. I was beginning to question whether or not I was crazy for insisting that we always cut a reglet and counter flash.
I am not kidding when I say I think I am the only one in the area. Even roofer whom I have respect for tell me I should just be using "5X5" and if they counter at all they use some out of the box garbage with a huge gap at the top to "caulk"...

I think I am going to just make multiple passes with the grinder until the reglet is as wide as I want. I tried using an air chisel and the noise and time make that an impractical option in my opinion.

Some times surface mount counter flashing is the proper way to do things. Around a shingle chimney it's not.
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Old 04-25-2014, 01:38 PM   #24
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Re: Chimney Counter Flashing


This is what I like to do. Best of both methods; one piece of aluminum because it is definitely quicker than dealing with individual pieces, however the aluminum is still bent into a reglet. These pictures were taken prior to tuckpointing the crumbly mortar that was removed. 100 year old house.
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Old 04-25-2014, 09:31 PM   #25
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Re: Chimney Counter Flashing


Quote:
Originally Posted by 1985gt View Post
Some times surface mount counter flashing is the proper way to do things. Around a shingle chimney it's not.
When would you use a surface mount counter flashing? We very rarely do anything but shingled chimneys and the few that we have done that were not were still cut into the brick.
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Old 04-26-2014, 09:48 AM   #26
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Re: Chimney Counter Flashing


Quote:
Originally Posted by Jhinton View Post
Thanks for the replys guys. I was beginning to question whether or not I was crazy for insisting that we always cut a reglet and counter flash.
I am not kidding when I say I think I am the only one in the area. Even roofer whom I have respect for tell me I should just be using "5X5" and if they counter at all they use some out of the box garbage with a huge gap at the top to "caulk"...

I think I am going to just make multiple passes with the grinder until the reglet is as wide as I want. I tried using an air chisel and the noise and time make that an impractical option in my opinion.
If grinding into the mortar for a stepped counter flashing, use the 0.25" wide diamond tuck pointing grinder blade. It will hog out the joint in short order. This leaves plenty of room for turning up the inside edge of the the tucked flashing to get that "spring-lock" grab into the joint. Lead wedges or wool driven with a cold chisel FTW.



Quote:
Originally Posted by FullerFramer View Post
This is what I like to do. Best of both methods; one piece of aluminum because it is definitely quicker than dealing with individual pieces, however the aluminum is still bent into a reglet. These pictures were taken prior to tuckpointing the crumbly mortar that was removed. 100 year old house.
Looks great. I think the reason you don't see it often is most shinglers just don't know how.

A lot of stepped flashing, both where the flashing is tucked into the joint and where a separate counter flashing is applied, have the 'peaks' of the step out of line. This can leave the steps looking awkward and I have heard a lot of people comment about not liking the look.

If the steps are more uniform and in line they look great.

Not a chimney, but same idea, I think straight cuts through the brick would be out of character here:

Chimney Counter flashing-wp_20140115_007.jpg

Chimney Counter flashing-wp_20140115_007a.jpg

Chimney Counter flashing-wp_20140115_007b.jpg
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Old 04-28-2014, 12:43 PM   #27
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Re: Chimney Counter Flashing


Quote:
Originally Posted by Jhinton View Post
When would you use a surface mount counter flashing? We very rarely do anything but shingled chimneys and the few that we have done that were not were still cut into the brick.
Commercial flat work.
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Old 04-28-2014, 03:38 PM   #28
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Re: Chimney Counter Flashing


Mr. Latone,
thanks for posting the 2 pictures of the small copper roofs.

I have actually been collecting some pictures over the past week of swept hip copper standing seam roofs- not too different from your picture on the left.

Once the customers deposit arrives we will start pre-fabbing a small swept roof for over a doorway.

I was originally thinking a hip roof-- but on further thought I think an adjacent wall is going to interfere with the look of the hip--and so I am most likely going to make it a swept pent roof-still in copper standing seam.

stephen
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Old 05-05-2014, 03:48 AM   #29
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Re: Chimney Counter Flashing


you guys put flashing on the chimney?
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Old 05-05-2014, 07:57 AM   #30
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Re: Chimney Counter Flashing


My mason has told me to never grind a straight line. Always step it, he said he has seen two chimneys break off in high winds and both were straight cut. I would rather be safe than sorry so I step mine.

Cole
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Old 08-30-2014, 03:54 PM   #31
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Re: Chimney Counter Flashing


30' of flashing I did today using same method as my previous post
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Old 08-30-2014, 04:04 PM   #32
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Re: Chimney Counter Flashing


Now that is some text book looking brick flashing! Nice job!
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Old 08-30-2014, 04:26 PM   #33
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Re: Chimney Counter Flashing


Awesome.
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Old 08-30-2014, 09:18 PM   #34
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Re: Chimney Counter Flashing


Quote:
Originally Posted by FullerFramer
30' of flashing I did today using same method as my previous post
Looks really nice! You need to come out here and fix 92% of the houses that have this mess of tar and plastic crap tapcon'd and caulked to the masonry!

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