Basics · 5 min watch

Acclimate hardwood before installation

Most failed hardwood installs come from one mistake: skipping acclimation. Five to ten days on site is non-negotiable.

What you'll learn

  • Why hardwood gaps and cups when acclimation is skipped
  • How long is "long enough", 5 to 10 days, location-dependent
  • How to set up the room for proper acclimation (HVAC running, boxes opened)
  • How to pin-meter board moisture vs. subfloor moisture before laying

Step by step

  1. Deliver hardwood to the room 5 to 10 days before install date.
  2. Open the boxes, do not stack closed boxes.
  3. Cross-stack the boards in small piles to allow airflow on all sides.
  4. Run HVAC at the temperature and humidity the home will live in.
  5. Pin-meter random boards before install. Confirm within 4% of subfloor moisture.
Safety note

Coastal San Diego homes need the longer end of the range, 8 to 10 days. Inland and East County are usually fine at 5 to 7 days. The matched pro pin-meters every install before nailing.

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