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Crawl space insulation is one of those jobs that looks simple from the driveway and turns complicated the moment you get under the house. From outside, it sounds like a straightforward upgrade: add insulation, cut drafts, lower energy bills. Underneath the floor, though, the real story shows up. You find damp soil, sagging fiberglass, plumbing lines sweating in summer, rim joists full of air leaks, and sometimes evidence that mice or rats have been treating the space like a

San Diego homes have a particular relationship with their crawl spaces. The weather is mild enough that many homeowners rarely think about what sits under the floor, yet the dry summers, occasional heavy rains, coastal moisture, older housing stock, and steady rodent pressure can turn that hidden area into a real source of problems. I have seen beautiful bungalows in North Park, ranch homes in Clairemont, and raised foundations in Chula Vista all share the same surprise: th