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Community and Q&A

Flanged window flashing

JoeNorm | Posted in General Questions on

If I was using Zip System and their liquid applied flashing, how would I make a bank (or a single) of windows air and water tight.

I understand the liquid gets applied to the opening, window gets installed, but then what is the treatment around the flange to seal it from air and water?

I am sure loads have already been written about this. feel for to join me in the direction of those articles. 


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  1. GBA Editor
    Martin Holladay | | #1

    The instructions are provided by Huber. Here is the link: Installing a flanged window using Liquid Flash.

    (See especially pages 5 and 6 of this multi-page document.)

  2. Expert Member
    Peter Yost | | #2

    Hi Joe -

    If you have not used the ZIP Stretch tape, you might want to consider this approach; pretty amazing product for sill flashing.


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