This is the process AO Smith used
https://m.youtube.com/watch?v=gU-pqWozSNg&pp=ygUPUHJlc3MgZmliZXJnbGFz
Probably too late and not worth the investment, but be nice if they did the 68 - 70 fiberglass
Cool - very old school - Thanks
Pete,
Pretty darned interesting. I live about 45 minutes from there, had no idea they existed. Some heavy duty manufacturing going on in that shop. Thanks for sharing this.
Dave