What caused houses to go from having crawl spaces underneath to being on a concrete slab, no space underneath?
In: Engineering
Hmm, I live in the Northwest United States. I’m no expert, but I can’t think of a house I’ve seen that didn’t have a crawlspace. (Unless it had a basement.) Perhaps this is a regional difference. For example, your region may be more prone to mold (humidity is higher), hurricanes and flooding, earthquakes, etc..
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