Repair method

Floor joist repair

Floor joist repair may involve sistering, replacement, blocking, or support changes depending on damage and span.

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Crawl space foundation supports under a home

Quick answer

Floor joist repair

Floor joist repair may involve sistering, replacement, blocking, or support changes depending on damage and span.

Often used for

  • wood rot
  • overspanned joists
  • notched or damaged framing

Questions to ask

  • What caused the joist damage?
  • Will moisture be corrected?
  • How much subfloor is affected?

Fit matters

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

Related topics

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