Marc Heusser wrote:
In article ,
hpeer wrote:

Yeah, I think the foam works better than the bed liner. The foam is a
urethane and so is much of the marine paint.

Be careful - urethane may be acidic, and iron rusts in acids.
In a basic environment it is stable such as in cement/concrete.

Say what? Best rethink that thought:
http://depts.washington.edu/matseed/...0Corrosion.htm


Cheers
Martin