Al, >From what I remember reading here on this list, curling shingles are often a result of excess heat. A second layer of shingles is more suseptible to this. Also, if your crawl space isn't properly vented, this can happen.
You can always give your insurance agent a call, can't hurt. -- Blue skies. Dan Rossi Carnegie Mellon University. E-Mail: [email protected] Tel: (412) 268-9081
