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Using non-flanged windows in new construction

user-1018908 | Posted in GBA Pro Help on

I am looking for advice/detail info for using non-flanged wiindows in New Wood Construction with Fiber cement lap siding. All the Details on this site are for flanged windows.

Thanks very much, Peter Hendrickson

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Replies

  1. GBA Editor
    Martin Holladay | | #1

    Peter,
    The first step is to consult the installation instructions provided by the window manufacturer.

    For a discussion of unflanged windows mounted with masonry clips, see this article: ‘Innie’ Windows or ‘Outie’ Windows?

    There is a further discussion of using masonry clips to mount unflanged windows in this article: Installing Windows In a Foam-Sheathed Wall.

  2. milwaukee | | #2

    it may be too late now, but here is what I did for my house with vinyl siding. I had to invent a process that I had never seen before.

    https://www.greenbuildingadvisor.com/community/forum/green-building-techniques/46626/non-flanged-insert-window-replacement-flashing

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