Repair method

Crawl space vapor barriers

A vapor barrier helps limit ground moisture entering the crawl space and is often part of moisture control.

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Crawl space foundation supports under a home

Quick answer

Crawl space vapor barriers

A vapor barrier helps limit ground moisture entering the crawl space and is often part of moisture control.

Often used for

  • damp crawl space soil
  • musty odor
  • high crawl space humidity

Questions to ask

  • What liner thickness is proposed?
  • Will seams and piers be sealed?
  • Is drainage needed first?

Fit matters

The repair method should match the cause of movement or damage. Before approving a scope, ask how the cause was confirmed.

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