I have a wood frame home that sits on 3 high block tiers. The crawl space is open.
Would it be right to go under the house and stretch a string across the joists, then level up any joists that are sagging? Should I install new joists to the ones that are sagging?
Also would like to know if I should put down a vapor barrier on the ground or leave as is since it is not an enclosed space?
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