
White plastic lawn chairs are a popular choice for outdoor furniture due to their affordability, durability, and lightweight design. However, they can quickly become dirty, stained, and discoloured when exposed to the elements. To restore their shine and whiteness, several cleaning methods can be employed. Firstly, it is important to remove surface dirt and dust using a dry cloth or a hose. For a simple wash, a mixture of lukewarm water and mild soap or detergent can be applied with a soft-bristled brush or sponge. For tougher stains, a vinegar solution, oxygen bleach, or laundry detergent mixture can be used. Alternatively, a Magic Eraser or a nylon scrubber with dish detergent can effectively remove stubborn grime. After cleaning, the chairs can be rinsed and dried in the sun or with a cloth.
| Characteristics | Values |
|---|---|
| Cleaning tools | Garden hose, sponge, soft-bristled brush, cloth, tarp, pressure washer, bucket, rubber gloves |
| Natural cleaning solutions | Vinegar, lemon, baking soda, oxygen bleach, hydrogen peroxide |
| Cleaning products | Laundry detergent, dish soap, liquid soap, mineral oil, bleach, magic eraser |
| Cleaning techniques | Rinse, scrub, buff, air-dry, wax |
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What You'll Learn

Use a vinegar solution
White plastic lawn chairs are a classic, but they can quickly become dirty and stained from being outdoors. Luckily, it's relatively easy to clean plastic furniture and make your chairs look whiter with a simple wash and natural products like vinegar.
Before you start, wet down your chairs with a garden hose or a watering can. Then, create a vinegar cleaning solution by adding 1/4 cup of vinegar to a standard-sized bucket of warm water. Stir the solution and dip a soft-bristled cleaning brush into it. Gently work the brush across the surface of the chair, paying extra attention to any visible stains and grime. Depending on how long it has been since you last cleaned your chairs, you may need to increase your scrubbing pressure to effectively remove set-in stains.
If your chairs have mildew, you can prepare an equal-parts solution of white vinegar and water and put it in a spray bottle or apply it directly to the mildewed areas. Let it sit for 10 to 15 minutes. If the mildew persists, scrub gently with a brush, then rinse thoroughly with water. Vinegar is a natural disinfectant and will help remove mildew without damaging the plastic.
After scrubbing your chairs with the vinegar solution, rinse them down with clean water from a garden hose. Dry the chairs with a cloth or place them in the sun to air-dry.
To keep your chairs looking whiter for longer, apply a thin coat of automotive paste wax after cleaning. This will help stains and dirt to slide right off the plastic and provide extra protection.
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Try laundry detergent
If your plastic lawn chairs are looking a little worse for wear, there are several methods you can try to restore them to their former glory. One option is to use laundry detergent. This is a great way to fight stains on your plastic lawn chairs.
First, combine one tablespoon of liquid laundry detergent with a gallon of warm water. You can also add two tablespoons of detergent if the chairs are particularly dirty. Apply this cleaning solution to the stained areas of the chairs, scrubbing with a soft brush or sponge. Allow the solution to sit for about 15 minutes. Then, rinse the chairs with clean water and dry them with a cloth or leave them to air-dry in the sun.
If your chairs are still stained, you can try sprinkling baking soda onto a damp sponge and gently scrubbing the affected areas. This will help to lift any remaining stains. Once you've removed all the dirt and grime, you can address any sun damage by creating a baking soda solution. Dampen a sponge with warm water, sprinkle on some baking soda, and scrub the chair.
It's important to note that you should avoid using harsh scrub brushes or abrasive cleaning pads, as these can scratch the plastic and make the chairs harder to clean in the future. Instead, opt for soft-bristled brushes or sponges. Additionally, always wear gloves when handling cleaning solutions and be cautious not to mix chemicals.
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Bleach the chairs
If your plastic lawn chairs are white, you can use bleach to whiten them. However, if they are not white, using bleach may cause discolouration. If your chairs are coloured, you should consider other methods, such as vinegar, lemon, or baking soda.
If your white plastic lawn chairs are stained or discoloured, you can use bleach to whiten them. Firstly, lay down a plastic tarp outside in a sunny spot near a garden hose. Move the chairs onto the tarp. Next, create a cleaning solution. You can use a quarter cup of regular household bleach in a large bucket of hot water. Slide on a pair of rubber gloves and dip a scrub brush into the solution.
Scrub the chairs with the solution, making sure to wipe away any bird droppings. Allow the solution to sit on the chairs for a few minutes, but no longer than 10 minutes, as this may cause discolouration. Then, rinse the chairs down with clean water from a garden hose. Dry the chairs with a cloth or leave them in the sun to dry.
If you want to use bleach but are concerned about the effects on your lawn, you can opt for oxygen bleach, which is a slow-acting, gentle bleaching agent. It is less corrosive and damaging to plastics and more environmentally friendly. Combine one gallon of lukewarm water with half to one cup of powdered oxygen bleach in a bucket. Stir well to mix and dissolve the powder. Wear rubber gloves and use a sponge or soft-bristled nylon brush to apply the solution. Start at the top and scrub to lift embedded soil. Allow the solution to remain on the chairs for at least 15 minutes to whiten the plastic.
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Apply baking soda
To whiten plastic lawn chairs using baking soda, start by mixing a solution of baking soda and water. The mixture should be thick, like a paste. You can also add some dish soap to the mixture.
Once you have your baking soda paste, spread it over the yellowed or stained areas of the chair using a sponge or brush. Be sure to cover the entire surface of the chair. Let the paste sit for at least 15 minutes. If you have very stubborn stains, you can let the paste sit for a few extra minutes before scrubbing.
After the paste has had time to work, scrub the chair gently using a soft-bristled brush or sponge to avoid scratching the plastic. Rinse the chair thoroughly with clean water to remove any remaining baking soda residue.
Finally, allow the chair to air-dry completely. You can speed up the drying process by placing the chair in the sun or on an incline so that any remaining water drips off.
Applying a thin coat of car paste wax or automotive paste wax after the chair is clean and dry can help keep it shiny and protect it from future stains and dirt.
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Rinse and dry
Once you have cleaned your plastic lawn chairs with a solution of your choice, it is important to rinse and dry them properly.
Rinsing the chairs with clean water helps to remove any remaining cleaning solution, such as soap residue or baking soda residue. Use a hose or a bowl of water to thoroughly rinse each chair. If you used a baking soda solution, it is important to ensure that all the residue is removed.
After rinsing, allow the chairs to dry completely. You can place the chairs in a sunny spot to air-dry, or use a cloth to dry them more quickly. If you choose to air-dry, it is recommended to incline the chairs so that any remaining water drips down.
Once the chairs are completely dry, you can apply a coat of mineral oil or car paste wax with a soft cloth to restore their shine and protect the surface. This step is optional and may not be necessary if your furniture is of good quality.
Additionally, if you used a vinegar solution to clean your chairs, it is important to ensure that the vinegar solution is thoroughly rinsed off, as vinegar can be harsh on plastic if left on for too long.
Remember, always spot-test cleaning solutions before applying them to the entire chair, especially when using bleach, as it can cause discoloration on coloured chairs and yellowing on white chairs if left on for too long.
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Frequently asked questions
Start by spraying down your chairs with a garden hose to remove surface dirt and pollen. Then, apply a small amount of dish soap to a sponge or washcloth and work it into the furniture. For tougher stains, a vinegar solution, oxygen bleach, or a laundry detergent solution can be used.
A vinegar solution is a mixture of vinegar and water. To make it, pour about a quarter cup of vinegar into a bucket of warm water. You can also add a quarter cup of dishwashing liquid to the mixture.
Oxygen bleach is a gentle bleaching agent that removes stains and brightens plastics. It is safer for your lawn and plants than chlorine bleach. Combine one gallon of lukewarm water with half a cup to one cup of powdered oxygen bleach in a bucket. Wearing rubber gloves, use a sponge or soft-bristled brush to apply the solution to the chairs. Allow it to remain for at least 15 minutes.
Baking soda can be used to clean and whiten yellowed plastic. Mix it with water to form a thick paste, then spread it over the yellowed areas. Let the mixture sit for about 15 minutes, then rinse. You can also use hydrogen peroxide or mineral oil to whiten and restore shine to your chairs.










































