Maya Ellison
Painting outdoor plastic furniture is a great way to add a pop of colour to your backyard and give your old furniture a new lease of life. It's a simple and effective DIY project that can be easily achieved with the right tools and preparation. To get started, you'll need to clean the plastic surface thoroughly, removing any dirt, mildew or build-up. Once the surface is dry, you can apply a primer designed for outdoor plastic use. After the primer has dried, it's time to spray paint! Choose a spray paint designed for plastic, preferably with a satin finish, and apply light, even coats until you achieve the desired colour and coverage.
| Characteristics | Values |
|---|---|
| Clean the plastic item | Use a sponge with soap and water to clean all surfaces. If the item is brand new, wipe it down with a cloth soaked in paint thinner. |
| Remove mildew | Scrub the area with a 3:1 water and bleach solution. Keep the area wet for 20 minutes, then rinse. |
| Dry the item | Dry the item with a cotton towel and let it air dry completely. |
| Sand the item | Use 200-grit sandpaper to scuff-sand the surface. Wipe off the sanding dust with a damp cloth and let it dry. |
| Primer | Use a primer designed for outdoor use and plastic materials. Spray the primer in a steady back-and-forth motion, holding the can 12-18 inches from the surface. |
| Paint | Use spray paint designed for plastic, applying light and even coats. Hold the can upright, with the nozzle 12 inches from the surface. For plastic items kept outdoors, a satin finish is recommended. |
| Drying | Let each coat of paint dry completely before applying the next one. |
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What You'll Learn
Cleaning the plastic surface
To paint outdoor plastic, you must start by cleaning the plastic surface thoroughly. This is an important step as any kind of build-up on the plastic can reduce the ability of the paint to adhere to the surface.
If the plastic surface is brand new, wipe it down with a cloth soaked in paint thinner. For surfaces that are not too dirty, a simple all-purpose cleaner, such as dish soap, will work. If there is mildew on the plastic, scrub the area with a mixture of 3 parts water and 1 part bleach. Keep the area wet for about 20 minutes, then rinse. Next, clean the object thoroughly with detergent and warm water. Rinse and let dry.
If you suspect any kind of build-up on the plastic, use rubbing alcohol to wipe down the surface before painting. You can also use a sponge with soap and water to clean all surfaces. Make sure to dry the plastic with a cotton towel and let it air dry completely. It is important to ensure the plastic surface is completely dry before proceeding.
To help the paint stick better, scuff-sand the surface with 200-grit sandpaper. Wipe off the sanding dust with a damp cloth and let it dry. If the plastic has been painted before, it will need to be lightly sanded.
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Using a primer
Painting outdoor plastic is a great way to revive plastic items and extend their life. Using a primer is an important step in ensuring that your paint job is durable and long-lasting. Here is a step-by-step guide to using a primer when painting outdoor plastic:
Step 1: Clean the Plastic Surface
Before applying primer, it is essential to clean the plastic surface thoroughly. Use a sponge or scrub brush with soap and water to remove any dirt, dust, or mildew. If there is any build-up or residue on the plastic, you can use a detergent or sugar soap to ensure the surface is clean. This step is crucial because any contaminants left on the plastic can reduce the adhesion of the primer and paint.
Step 2: Sand the Plastic Surface
Since most plastic surfaces are smooth, it is recommended to use fine-grit sandpaper to rough up the surface slightly. This process helps create a better adhesion for the primer and paint. Make sure to sand in one direction to avoid visible sanding marks. After sanding, use a dry cloth to remove the bulk of the sanding dust, and then use a wet rag with mineral spirits or isopropyl alcohol to wipe away any remaining particles.
Step 3: Prepare the Work Area
Before priming, prepare your work area by laying down a cardboard or tarp to protect the surrounding area from primer overspray. Ensure you are working in a well-ventilated space to maintain proper airflow during the priming process. It is also advisable to wear personal protective equipment, such as a dust mask, to safeguard your health.
Step 4: Apply the Primer
Select a primer specifically formulated for adhesion to plastics. These specialized primers will ensure that the paint adheres properly to the plastic surface. Spray the primer in thin, even coats, following the manufacturer's instructions. Maintain a consistent distance from the surface and move in one direction, using a close zig-zag pattern to ensure full coverage. Allow the primer to dry completely according to the manufacturer's recommended drying time.
Step 5: Apply Additional Coats if Necessary
Depending on the condition of the plastic surface and the desired level of coverage, you may need to apply multiple coats of primer. Always allow each coat to dry completely before applying the next one. By following these steps and using a primer specifically designed for plastics, you will achieve a durable and long-lasting finish on your outdoor plastic items.
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Choosing the right paint
First and foremost, it is essential to select a paint specifically designed for use on plastic surfaces. This is a key factor in ensuring the paint adheres properly and lasts outdoors. Look for paints that are explicitly formulated for adhesion to plastics. Combination paint and primer sprays designed for plastic are an option, but if you wish to paint your outdoor plastic in a colour not available in these combinations, you will need to prime the surface first.
When choosing a primer, opt for a product specifically designed for plastic materials stored outdoors. These primers are readily available at local home improvement stores and typically come in spray cans. To apply the primer, shake the can and hold it 12-18 inches (30-45 cm) away from the surface, spraying in a steady back-and-forth motion.
For the paint itself, opt for a spray paint designed for use on plastic. It is recommended to go for a satin finish, as this type of finish seems to handle outdoor elements better and is less prone to fading. Lightly spray the paint in even, steady strokes, ensuring each coat dries completely before applying the next one.
To achieve the desired colour and coverage, you may need to apply multiple coats of paint. Remember to allow sufficient drying time between coats and inspect the coverage after each coat to determine if additional layers are needed.
By following these guidelines and choosing the right paint, you can effectively refresh the appearance of your outdoor plastic items and ensure the paint job withstands the test of time.
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Painting technique
Painting outdoor plastic is a great way to add a pop of colour to your backyard and give your old furniture a fresh new life. Here is a step-by-step guide to achieving the best results:
Firstly, choose an area with good ventilation, such as a garage with the door open or a flat surface outdoors. Cover the ground and any other nearby surfaces with newspaper, a tarp, or plastic to protect them from paint drips. If there are any surfaces of the plastic item you do not wish to paint, cover them with painter's tape. For example, if you only want to paint the legs of a chair, tape off the seat portion.
Next, clean the plastic item thoroughly to ensure the paint will adhere well to the surface. Use a sponge with soap and water or an all-purpose cleaner, such as dish soap, to remove any dirt or mildew. If there is any build-up on the plastic, use rubbing alcohol to wipe down the surface. Rinse and let the item dry completely.
Once the item is dry, lightly sand the surface with fine-grit sandpaper. This will create a rough texture, helping the paint to stick better. Wipe off the sanding dust with a damp cloth and let the item dry again.
Now, it's time to prime the surface. Choose a primer specifically designed for plastic materials that will be stored outdoors. Spray the entire surface you intend to paint with a steady back-and-forth motion. Hold the can's nozzle 12-18 inches (30-45 cm) from the surface and spray lightly and evenly. Allow the primer to dry completely before moving on to the next step.
Finally, it's time to apply the paint. Select a spray paint designed for use on plastic, preferably with a satin finish, as this tends to hold up better outdoors. Hold the can upright, with the nozzle about 12 inches (30 cm) from the surface. Apply the paint in light, even strokes, and allow it to dry completely between coats. Repeat this process until you achieve the desired colour and coverage. Remember to shake the can periodically during the paint job.
To avoid drips and ensure full coverage, apply the paint in light coats, completing one side of the item and then the other. For example, if you are painting a chair, spray paint the bottom first, then turn it upright and paint the rest of the surface.
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Preventing paint from dripping
Painting outdoor plastic is a great way to give new life to old items, but dripping paint can ruin the final look. Here are some tips to prevent paint from dripping:
Preparation
Before you start painting, ensure your paint is well-mixed. Paint can settle over time, making it thinner at the top of the tin. Use a wide implement to stir the paint and ensure all the ingredients are mixed, right down to the bottom of the tin. Shaking the tin is not enough. Also, ensure your painting equipment is completely dry before use. Rinsed-out equipment can retain moisture, which can cause the paint to thin and lead to drips.
Painting Technique
When painting, always use multiple thin coats of paint rather than one thick coat. This is the key to achieving a smooth finish without drips. Ensure you allow each coat to dry completely before applying the next one. When using a brush, wipe off any excess paint before you start. If using a roller, tap it gently to remove excess paint. Avoid overloading your brush or roller with too much paint, as this will lead to drips.
Environment
Paint in a well-ventilated area, out of direct sunlight. Painting in direct sunlight can cause the paint to dry too quickly, leading to drips and bubbles. Keep a damp cloth on hand while you paint, so you can quickly wipe away any drips before they dry.
Additional Tips
- If you are painting a large item, paint one side at a time, rather than painting all around the item.
- If you are using a roller, use a roller pan to help squeeze out excess paint.
- If you are using a brush, wipe it against the side of the paint container to remove excess.
- If you are painting a small, detailed item, use a smaller brush to avoid overloading the item with paint.
- Sand lightly between coats to smooth out any imperfections.
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Frequently asked questions
First, clean the plastic item with soap and water, and remove any mildew with a 3:1 water and bleach solution. Then, sand the surface with 200-grit sandpaper to help the paint stick. Next, spray the plastic with a plastic primer and let it dry. Finally, spray the plastic with spray paint specifically designed for plastic, using light even strokes and allowing it to dry completely between coats.
You should use spray paint specifically designed for plastic. A satin finish is recommended for plastic surfaces that will be kept outdoors.
To prevent drips, apply the paint in light coats and repeat the process, completing one side and then the other. Let each coat dry completely before applying the next one.
