Yes, it had its uses in aviation! I once used about 7 feet of Izal bog roll to map out *real size* corrosion on a horizontal stabiliser spar top cap, which was then faxed, section by section, to McDonnell Douglas for stress analysis and blending limits. It also worked perfectly when doped over De Havilland Dove and Heron emergency roof exits as a frangible weather seal.
As stated, it was pretty useless for its intended purpose.
