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How to Treat Cedar Wood With Oil or Latex

Western red cedars, known botanically as Thuja plicata, are coniferous evergreen trees whose fragrant, red-brown wood is commonly used as a building material. Because of cedar's beautiful red-brown color, many homeowners choose to forgo opaque paint products in favor of clear or semitransparent stain products that showcase the wood's natural beauty. Choose penetrating oil or oil-based semitransparent stain products for a treatment that soaks deep into the wood. Select semitransparent latex stain products for a non-penetrating, film-like finish.

Things You'll Need

  • Penetrating oil or semitransparent wood stain
  • Electric or manual hand sander
  • Sandpaper
  • Paper face mask
  • Cotton or plastic drop cloths
  • Three- or four-inch paintbrush
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Instructions

    • 1

      Choose oil or stain products that contain water repellent, ultraviolet light blocker and fungicide additives. Purchase a high quality penetrating oil, penetrating oil-based semitransparent stain or non-penetrating latex semitransparent stain to treat your cedar wood.

    • 2

      Sand your cedar wood to a smooth finish using an electric or manual hand sander. Wear a face mask to avoid breathing in cedar dust.

    • 3

      Protect surrounding surfaces from accidental drips of stain or preservative by laying down cotton or plastic drop cloths.

    • 4

      Apply oil or stain to your cedar wood using broad, even brush strokes. For best results, use a high quality, three- or four-inch wide paintbrush when treating your cedar wood. Apply two coats of oil or stain to your cedar wood. Allow the wood to dry completely between coats for best results.

    • 5

      Retreat cedar wood treated with penetrating oil products every one to two years. Retreat cedar wood that has been treated with oil-based or latex stain every three to six years.