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How to Clean Redwood Furniture

Redwood is the material of choice for building outdoor structures such as furniture, planters, decks and picnic tables. Naturally durable, redwood is impervious to the weather, which means the planks are unlikely to distort or decay when exposed to the elements. With minimal care, low-maintenance redwood furnishings can last for many years. All redwood really needs is a periodic cleaning with common household items and a coat or two or water-repellent sealer. This will remove any dust, dirt, or debris from the furniture while restoring the wood's characteristic deep-red color.

Things You'll Need

  • Garden hose
  • Sprayer attachment
  • Bucket
  • 1/2 cup household ammonia
  • 1/2 cup distilled white vinegar
  • 1/4 cup dish soap
  • Sponge
  • Towel
  • Fine grit sandpaper
  • Paintbrush
  • Water-repellent redwood sealer
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Instructions

    • 1

      Arrange the furniture so you can easily access all sides, pulling pieces away from walls or out from under trees. Connect a spray attachment to a standard garden hose. Turn the water on high, and then direct the jet of water at the furniture. The pressure of the water will remove the majority of dirt and residue.

    • 2

      Combine the following ingredients in a large bucket: 1 gallon water, 1/2 cup household ammonia, 1/2 cup distilled white vinegar, 1/4 cup mild dish soap. Stir vigorously until suds begin to form.

    • 3

      Dip a large sponge into the cleaning solution. Wring the sponge gently to remove any excess liquid, and then apply it to the furniture. Scrub the wood, moving the sponge in small, circular motions. For stubborn stains or stuck-on dirt, use a small, stiff-bristled brush rather than a sponge.

    • 4

      Rinse the soap solution from the wood by sponging it away with clear water. Wipe the wood dry with a clean towel.

    • 5

      Sand any discolored areas with fine grit paper. Rub the sandpaper briskly over any portions of the furniture that seem to be gray or fading. This will reveal the good wood underneath, effectively removing the blemishes.

    • 6

      Brush a thin coat of water-repellent redwood sealer evenly over the furniture. This will protect the wood from the elements and prevent any warping or weathering. When the first coat has completely dried, add a second layer, if desired.