Air Drying Wood

There are some important points to follow when air drying wood.

Location

  • Shade: Pick a location that gets partial shade rather than direct sunlight. Direct sunlight can cause the wood to dry too quickly, leading to cracks and warping.

  • Ventilation: Ensure good airflow around the wood. Open, breezy spaces help moisture escape from the wood evenly.

  • Elevation: Keep the wood off the ground to prevent moisture absorption from the earth and avoid pests.

Prepare the Wood

  • Seal the Ends: Wood dries more quickly from the ends, which can cause cracks and splits. Apply a sealant to the ends of the wood to slow this process. We use and recommend ANCHORSEAL however, it is pricy and some of the same benefits can be achieved with an acrylic paint, wax, or wood glue.

Stack the Wood Properly

  • Create a Raised Base: Use cinder blocks, pallets, or lumber to raise the wood pile at least 6-12 inches off the ground.

  • Use Stickers (Spacers): Place 3/4-inch-thick strips of wood, called stickers, between each layer of wood to create gaps for air to flow. Space these stickers about every 16-24 inches along the length of the wood.

  • Stack in Layers: Stack the wood neatly in rows, ensuring the stickers are aligned for stability and even drying.

Cover the Stack

  • Top Cover Only: Use a tarp or roofing material to cover just the top of the stack. Avoid covering the sides, as this can trap moisture and slow the drying process.

  • Overhang: Ensure the cover extends over the sides by about 12 inches to protect against rain.

Time

  • Drying Time: Drying time depends on wood species, thickness, and weather. A general rule for air drying is one year per inch of thickness to dry “completely”. However, this can vary significantly depending on the species, humidity, temperature, and airflow. Partial air drying to prepare for kiln drying will take a fraction of that time.