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-   -   Getting rain water behind siding (http://www.houserepairtalk.com/f34/getting-rain-water-behind-siding-12369/)

sas09 10-23-2011 10:02 PM

Getting rain water behind siding
 
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Recently had vinal siding installed, J channel at bottom is about even with top of lower trim board and I think is allowing rain water to run behind that board (can see it dripping) Seems that the J channel should have been lower. Can I do this and how do I extend the channels on the sides? See pic.

nealtw 10-24-2011 02:37 AM

Yes you should have had a Z flashing on top of the board and behind the paper behind the siding. You can expose the nails at the top of the first panel with a zipper tool and remove that panel to do this, you will need to cut some off the bottom of that panel when re-installing it so that it isn't to tight.
Zipper tool is a cheep little tool sold where they sell siding.

sas09 10-24-2011 06:21 PM

z flashing?
 
What is a Z flashing and how does it help? Also, not sure what you mean by cutting the botton panel.

nealtw 10-24-2011 10:18 PM

Google Image Result for http://www.hinkleymetalproducts.com/z_04.gif

nealtw 10-24-2011 10:21 PM

It looks to me that you have to remove some siding to install flashing and then the siding will be to big to replace.

joecaption 10-27-2011 08:37 AM

I personaly never would have installed the siding the way it was done.
All the old wood has been left exposed. I would have remove it and used vinyl outside corners and ran the siding from the bottom using starter strip.
You need to add that Z moulding or another way is to use coil stock and wrap that bottom area and run it at least 3" up behind the siding.


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