Moldy Crawlspace in an old house. What's the best way to paint this area? Get rid of musty odor?

Greetings.


I have a house built about 1890.  It's not a gracious old mansion or anything particularly special. It was built on brick piers with 6X6 oak beams running between the piers.  It has no basement and the clearance between the ground underneath and the oak beams is between 12 and 30 inches. 

My question for you is if there's an Earthpaint product or products that you'd recommend to seal the beams against further moisture damage.  If so, I'd appreciate any thoughts on what to use and what kind of preparation I'd need to to do.  I'm thinking that I might also apply Lime Prime to the beams for protection against mold.  And I'm unsure of whether I'd need to clean the wood before applying Lime Prime.

I plan to put 6 mil plastic in the crawl space for a vapor barrier as part of insulating the crawl space.  Of course there is no vapor barrier between the brick piers and the oak beams.  And as a result over the years, there has been some damage to the beams from moisture being wicked up through the brick and mortar support piers. Ideally, I'd like to raise the support beams enough to insert a moisture barrier.  But I'm still researching the feasibility of that. 



Thanks for any advice and assistance you can offer.

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