Mike,

I wanted to ask this, but wanted to keep it separate from the flashing discussion ...

When you install siding like that, where one piece overlaps the lower piece, how is it nailed to the wall so the upper piece is not flopping back and forth or nailed tight such that the upper piece bends in to the wall and out over the lower piece?

Is the wall framed straight up and down (plumb) or is the wall framed with a step out so the upper siding hangs out and over the lower siding.

Now that I have seen your photos, that raises more questions than just the flashing around the window.

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Jerry Peck, Construction / Litigation Consultant
Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )