Ralf Smolne wrote, "Are there recommendations for using PVC glue, too?"

I'm a traditionalist -- I don't recommend PVC glue for bellows cloth
installations, and I've seen too many disasters with modern materials
used for bellows cloth.  However, I will admit that I'm a bit in the
'hinterlands' when it comes to all this stuff, so I will defer to
others.

I might add that I have a bit of a green/white cloth that appears to
be a plastic of some sort and it seems pretty good, but it has been
sitting in a drawer for 30 years now.  Does anyone have an idea what it
might be, and if it's any good?  It's about the thickness of standard
note cloth, and very pliable.

David Dewey