Wood meets soil - moisture barrier?

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Old 12-05-16, 01:55 PM
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Wood meets soil - moisture barrier?

There is wood siding at the base of my porch that extends underground behind a flower bed. This means that there is soil touching the wood. In order to avoid rot and insect damage, I want to dig away the soil and install a moisture barrier.

What material should I use to keep water from the soil off of the wood? Any tips?
 
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Old 12-05-16, 02:44 PM
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It is never a good idea for wood to be below grade. That is the sort of thing that landscapers and homeowners do without thinking about the ramifications. IMO, the "flower bed" should probably not even be there.

To waterproof it correctly, the siding would need to come off, and determine if the sheathing needs to be replaced. Bituthene would be my preference to apply to the wall. Siding should not go below grade, it should likely not be any closer than 6" above grade.
 
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Old 12-12-16, 11:20 AM
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Photo here: what can I use to waterproof the 8 inches of wood below ground?

http://coruralhealth.wpengine.netdna...0/IMG_5317.jpg
 
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