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M Q

wrote:

On Dec 20, 10:25 pm, "New & Improved - N/F John"
....
I was thinking, spray the gap with low expansion
Great Stuff, maybe embeding a short piece of
1/2 inch pvc pipe a few places in case somehow
water ever came down from above (attic leak
or whatever). That foam stuff is pretty much
permanent though, which may be a problem some
day.

Embed a drain in the wall in case the roof leaks??

I can't think of an appropriate comment for that.