earth floors in crawlspaces should always be vented may add considerable moisture to the home should be…

earth floors in crawlspaces should always be vented may add considerable moisture to the home should be covered with housewrap should be covered with three inches of concrete should be treated to prevent animal and pest infestations question 12 which material is not a vapour barrier? polyethylene film housewrap kraft paper aluminum foil vinyl wallpaper

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