[Milsurplus] OT: BA rust in a coastal environment?

[aGEnuine Ham]

Hue:

One associated concern.  I presume you won't be building, but looking at
existing houses/workshops.  I encountered one which is an object lesson. 
A fellow near here built his own garage/workshop, and failed to put a
vapor barrier down before pouring the cement floor.  Although it never
seems damp in there, tools rust very badly compared to any other similar
building in his vicinity.  I don't know how to check an existing cement
slab for a vapor barrier, and I believe the code calls for it on
residence structures, but be aware of that pitfall which may appear.  New
buildings with cement floors will tend to have higher humidity than old
ones, so the dehumidifier suggestion is appropriate.  While touring the
area of interest, visit a machine shop, or even auto repair business and
inquire about tool rust problems.  And, I wish I could be more specific,
but in any area of variable terrain, there will be locations which stay
drier and others which are wetter, but I can't tell you how to identify
them.  Perhaps some metrologist on here can provide specific
recommendations with respect to altitude and prevailing winds.

Side note:  I am in central Texas, grew up on the Gulf Coast, and have
become accustomed to a film of corrosion on everything.  I recently
received a pair of Vocaline class "C" CB transceivers from someone in the
mountain states.  Upon opening one, I was greeted with shiny bare copper
and aluminum, something which would have turned to grundge here in the 50
years since they were built.  No jobs in say, Denver or Cheyenne?

73 and good luck with the job,
George, W5VPQ

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