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How to Repair Rising Deck Boards

Ask This Old House general contractor Tom Silva helps diagnose a problem with composite decking coming loose


  1. When fastening deck boards to structure, remember that the structure will dry out and shrink in time. Because of this, Tom recommends using screws that are 2.5x longer than the material being fastened.
  2. If deck boards are popping for this reason, replacing shorter screws with longer screws should solve the problem.

Composite decking screws are available at home centers.