Waterproofing french doors

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JTGorospe
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Joined: Fri May 05, 2017 9:25 pm

Waterproofing french doors

Post by JTGorospe » Tue Mar 12, 2019 12:31 am

Hello all,

I live in the Pacific Northwest. We experience rain, rain, and more rain here. I have too often seen the framing around french doors rotting. What is the best way to waterproof french doors and the rough opening at an exterior location?

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Shannon
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Joined: Fri Nov 25, 2011 11:58 pm
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Re: Waterproofing french doors

Post by Shannon » Tue Mar 12, 2019 8:12 am

You can use a peal and stick membrane to make a pan to protect the sill framing . I assume this door frame has a nail fin ? If so then you would install the door frame and use membrane to seal over the fin as well to prevent water getting in . I have a video that shows the procedure if you have a frame without a nail fin. The difference is that the side and top membrane would be added after the frame install and over the nail fin.
Here is the video:https://www.youtube.com/watch?v=l2eqvaQGsfQ
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