Sealing Replacement Vinyl Window

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muellerm123
Posts: 4
Joined: Thu Nov 03, 2022 8:34 pm

Sealing Replacement Vinyl Window

#1 Post by muellerm123 »

I am installing a replacement vinyl window into a larger window opening. I am going to re-frame the window but am a little confused on the best way to waterproof/seal the new window. Please see pics and plan attached. Any suggestions/comments? Thanks in advance!
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toddinmn
Posts: 632
Joined: Tue Apr 20, 2010 7:11 am

Re: Sealing Replacement Vinyl Window

#2 Post by toddinmn »

The way to seal it depends on how you frame it . If it’s the same width as the existing you could just shorten the frame , raise the sill and put it in as insert.
If you are changing the RO you will need to tie into the existing weather barrier and new drip cap.

TheWindowNerd
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Joined: Sun Feb 22, 2009 5:52 pm
Location: SE PA & NJ; CT
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Re: Sealing Replacement Vinyl Window

#3 Post by TheWindowNerd »

There is a DIY section that this should post to.

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