So far the only PBs directly concerned with vinyl that I could find are
these two...
<A HREF="http://www2.cr.nps.gov/TPS/briefs/brief08.htm#Use of Aluminum or
Vinyl Siding on Historic Buildings">Click here: NPS Links-->Preservation
Brief 8</A> - Use of Aluminum or Vinyl
<A HREF="http://www2.cr.nps.gov/TPS/briefs/brief39.htm#How and Where to Look
for Damaging Moisture">Click here: Preservation Brief 39</A> - Where to Look
for Damaging Moisture
Mary