Apparently this treated wood can be buried in a swamp for 40 years and still retain it water repellency. My basement is from 4-7 feet in the ground, backfilled with good clean gravel, and the land is sloped away from the building, (naturally) and I have 5" rain gutters that I run ito pipes and down the hill away from the house. Very warm, very dry. And you can walk all day in your bare feet on the basement floor, and feet stay warm. It works.
