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South Central MN | depends on how the barn is built. lots of barns around here that don't have an insulated concrete stem wall do not have any steel sheeting covering the outside of the concrete; the steel stops above the concrete where the studwall stops and the concrete is exposed. In a case like this, you'd have to add firring strips to the stem wall and somehow figure out transition trim between the existing steel above and the new steel below. The new steel below would likely project out 1.5" compared to the steel above because of the firring strips.
In order to add insulation to my stem walls and make the exterior steel flush, they poured the stem wall thin so that the steel could be flush all the way down.
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What does everyone do to try to hold heat in a hog barn?
