I would like to find the perfect solution for preserving woodenware if
there is such a thing.  I have done some expermenting with various degrees
of success.
I am mainly interested in bottom boards and hive bodies(brood chambers).
The area is S.E.Kansas USA.  Winter temp of -10 degrees and summer temp of
over 100 degrees for short periods of time.  Relative humidity usually
on the high side.
The method I currently use is to immerse the parts in a 2% solution of
copper napthenate and let them dry out.  Then apply an oil primer followed
by oil paint on all sides after assembly.
I tried latex primer with latex paint (no preservative precoating) on a few
new hive bodies about 10 years ago.  The first one completely rotted out
within one year however the paint still looked great.
I would be interested in your tried and true methods and also in your
tried and failed methods.
I have enjoyed the articles in this discussion and have picked up some good
ideas.
Thanks to all.