Recent content by RobertSu

I foamed a 5052 Aluminum tank in with expanding foam once and will never use it again on Aluminum. I pulled the tank out less than 10 years later when I was doing some other projects and found at least 50 pits most of the way thru the tank. The research to figure out what happened showed that...

I have used the same stuff (FRP) to cover plywood on my project boat. 8 years in the weather and still holding up great.