Is it necessary to waterproof a foundation stem wall on the downhill side?

I’m struggling to get a clear answer on this:Is it necessary to waterproof the downhill side of a foundation stem wall? We’re building on a hillside, and of course we… I’m struggling to get a clear answer on this:Is it necessary to waterproof the downhill side of a foundation stem wall? We’re building on a hillside, and of course we…Read MoreGreenBuildingAdvisor