Need to seal gap between house and shed

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Old 09-01-12, 02:55 PM
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Need to seal gap between house and shed

I'm finishing my shed and just finished sheathing the roof the thing is I have about a half inch gap between the roof of the shed and the house wall (it's a shed/storage attached to the garage) What could I use to fill up the gap? I was thinking about caulking but just in case someday I remove the shed I don't want a 2 feet long blob of silicone on the side of the house What could I use that would be waterproof and easy to remove? I need some sort of mast putty
 
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Old 09-01-12, 03:09 PM
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Got any pictures to share? Hard to tell what it looks like. http://www.doityourself.com/forum/el...your-post.html
 
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Old 09-01-12, 09:02 PM
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Why not plug the gap with tight-fitting, recessed foam backer rod, then place just a 1/2"-thick bead of butyl or polyurethane caulk over it? Minimal effort to remove it should that time ever come, and it will hold up a lot better than silicone.
 
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Old 09-01-12, 09:49 PM
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If I am correctly envisioning this what you need is to install a flashing between the wall and roof and then add the the finished roof surface; shingles or roll roofing. Here is one example:[ATTACH=CONFIG]3115[/ATTACH]
(Image courtesy of builderbill-diy-help.com)

Google wall to roof flashing for more examples.
 
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Old 09-02-12, 05:55 PM
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I used gap filler foam I red on the label that it can be removed with acetone. I will be doing flashing and shingles I installed the asphalt paper today. Is it OK to leave the asphalt paper exposed? I don't think I will have time to work on the shed until next weekend and I'm just worried if it rains if it can damage the paper does it repel water at %100?
 
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Old 09-02-12, 06:36 PM
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I don't see how we can offer suggestions without seeing the problem. Is there any way we can have pictures of what your situation is? Please.
 
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Old 09-02-12, 06:51 PM
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The paper will not completely repel water, and it will wrinkle and bulge as it dries after getting wet (moreso with 15-lb. than 30-lb. paper). Could make it problematic to get the shingles to lay down evenly, but it's only a shed, right? And a few weeks of hot weather will help smooth things out. Throw a tarp or two over the paper until shingle time if it's going to bother you, although be prepared for some condensation moisture to collect and still cause minor wrinkling.

"Professional" roofers like to slice larger bulges with a razor to make them lay flat, but that's defeating the purpose of the paper in the first place. Unless the slits are all sealed with roofing mastic (and that's rarely done, as it would slow down their progress).
 
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Old 09-02-12, 08:13 PM
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I was gonna take some pix but I had a can of gap filler foam and just decided to fill the gap let it dry and shave the excess with an utility knife Now I'm at the the shingle stage.
 
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