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Old 11-07-2017, 09:48 AM   #1
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dormer flashing


Hello,

I just noticed that there was just baby tin flashing along the bottom of my dormer. Does this need to be covered with counterflashing or trim materials? Is this more of aesthetic issue or real issue with longevity?

Hopefully you can see the picture below?




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Old 11-07-2017, 10:01 AM   #2
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Re: dormer flashing


More aesthetic. Too bad the roofer didn't spring for prepainted flashing. Last I knew you could get a variety of color options.
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Old 11-07-2017, 10:03 AM   #3
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Re: dormer flashing


Wow that was fast! Thanks Craig. I guess worst case, I can just paint it matte black or is it better to attach a trim piece against it to hide it? I wasn't sure if adding trim may trap moisture causing more issues later.
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Old 11-07-2017, 10:42 AM   #4
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Re: dormer flashing


I would say no to trim. Either paint or you could slip some prepainted aluminum coil stock strips over the step flashing and behind the siding for cosmetics. Depends on how easy and inexpensively you can get your hands on coil stock of a color you like.
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Old 11-07-2017, 10:45 AM   #5
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Re: dormer flashing


looks like a fairly steep pitch but maybe its the camera angle. Can you walk on the roof?
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Old 11-07-2017, 10:46 AM   #6
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Re: dormer flashing


Got it. This may be a silly question but would having such a large gap without siding cause more cold draft to enter the house? Of course, I presume there is adequate insulation, house wrap, and ice water shield behind those tin flashing.
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Old 11-07-2017, 10:48 AM   #7
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Re: dormer flashing


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Originally Posted by craig11152 View Post
looks like a fairly steep pitch but maybe its the camera angle. Can you walk on the roof?
It's very steep indeed so I was hoping a pro roofer would be able to handle this but now that you mentioned it, not even sure how feasible this is without significant set up time.
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Old 11-07-2017, 10:48 AM   #8
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Re: dormer flashing


Here's another dormer in the front of the house... it's similar pitch on the other side.


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Old 11-07-2017, 12:47 PM   #9
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Re: dormer flashing


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Got it. This may be a silly question but would having such a large gap without siding cause more cold draft to enter the house? Of course, I presume there is adequate insulation, house wrap, and ice water shield behind those tin flashing.
The short answer is no. If you need to hire a pro to change the cosmetic's I would say it's absolutely not necessary. But if the cost amounts to "couch change" for you then do what makes you feel good.
In the end, assuming workmanship is fine, what you have is just cosmetics.
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