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Old 06-21-2013, 10:38 PM   #1
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flashing question


hello,

I have a question on flashing a dormer. If you have housewrap on the dormer and roofing felt on the roof sheathing I was told to bring the felt up about 6" up the dormer wall then the house wrap overlaps that. That part I understand but if I wanted to add a layer of ice and water shield for a counter flashing that would have to be put on first so its directly attached to the sheathing, correct?

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Old 06-21-2013, 10:54 PM   #2
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flashing question


Felt into angle change, 18 inch ice dams 9 inches out over felt, and 9 up wall. on sheathiing. House wrap over ice dams. Ice dams is not really used for exposed counterflashing as UV eats it up. It is secondary protection under base flashing, if I understand you.

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Old 06-22-2013, 12:43 AM   #3
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Originally Posted by jagans View Post
Felt into angle change, 18 inch ice dams 9 inches out over felt, and 9 up wall. on sheathiing. House wrap over ice dams. Ice dams is not really used for exposed counterflashing as UV eats it up. It is secondary protection under base flashing, if I understand you.
Ok, so the ice and water 9" up wall and 9" overlapping the felt?
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Old 06-22-2013, 07:49 AM   #4
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flashing question


You know Mark, the way you back into things is really annoying.

Why don't you tell us what you are trying to flash, and we will help you.

Like: "I have a chimney of (Type) which is A x B in dimension, which penetrates my roof which has (Type) shingles, and is sloped at ?/12. The chimney is located Blah Blah Blah.

Giving us information like you are feeding goldfish one little flake at a time is quite maddening.
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Old 06-22-2013, 09:29 AM   #5
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flashing question


Still going to need step flashing if there's shingles going on the roof.
Keep the J molding about 1" up off the shingles.
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Old 06-22-2013, 09:52 AM   #6
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flashing question


Quote:
Originally Posted by jagans View Post
You know Mark, the way you back into things is really annoying.

Why don't you tell us what you are trying to flash, and we will help you.

Like: "I have a chimney of (Type) which is A x B in dimension, which penetrates my roof which has (Type) shingles, and is sloped at ?/12. The chimney is located Blah Blah Blah.

Giving us information like you are feeding goldfish one little flake at a time is quite maddening.
I don't have anything to flash it was just a question. I just though ice and water needed to be directly attached to the roof sheathing.
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Old 06-22-2013, 09:37 PM   #7
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I don't have anything to flash it was just a question. I just though ice and water needed to be directly attached to the roof sheathing.
No it does not. again, it depends on the situation.
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Old 06-23-2013, 08:40 AM   #8
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No it does not. again, it depends on the situation.
How do you figure it depends on the situation?

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