How to Clean White Plastic Patio Chairs

Written by kenneth crawford
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How to Clean White Plastic Patio Chairs
white chair (Hemera Technologies/PhotoObjects.net/Getty Images)

People often leave patio furniture out year round, subjecting the chairs and tables to sun, rain, snow and sleet. Add to that the dirt and grime that the furniture attracts, and soon the chairs look dingy and unattractive. This is especially true with white plastic patio chairs. The plastic that patio chairs are made from is a resin. The resin traps dirt and grime which is highly visible on a white chair. You can clean your white patio chairs and keep them looking nice for years to come.

Skill level:
Moderately Easy

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Things you need

  • Garden hose
  • Bucket
  • One gallon warm water
  • 3 tsp powdered automatic dishwasher detergent
  • Stiff brush
  • Towels
  • Automotive paste wax
  • White Shop rags

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Instructions

  1. 1

    Rinse the chairs thoroughly with a garden hose. This will remove loose dirt and debris from the chair. Do not scrub the chair while doing this. Rinse to avoid adding any new stains.

  2. 2

    Pour one gallon of warm water into a bucket. Add 3 teaspoons of automatic dishwasher detergent to the warm water and mix until the detergent dissolves. Dishwasher detergent contains a mild bleaching agent and will help to not only remove the stains but also to brighten the colour of the chair.

  3. 3

    Apply liberal amounts of the detergent/water solution to the chair with a stiff brush. Scrub the mixture vigorously into the chair paying special attention to areas with dark stains. Allow the mix to set on the chair for another 10 minutes and reapply another coat with the stiff brush, scrubbing the stains as you apply the mix.

  4. 4

    Rinse the chair off completely with the garden hose. Dry the chair off with towels. Place the chair in the sun until completely dry.

  5. 5

    Apply automotive paste wax to the chairs with white shop rags. Do not use standard shop rags with colour dyes. The dye from these can bleed into the chair resin. Apply a small film of wax and allow the wax to dry. After the wax dries, take the wax off with a separate clean, white shop rag. This will help protect the finish from getting ground in dirt and stains.

Tips and warnings

  • Cover your furniture or store it in a shed when not in use or when the season is over.

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