Will Rain Wash Away Acrylic Paint? How to Prevent It?

Everyone who loves outdoor painting jobs often asks whether the rain will wash away acrylic paint. This kind of paint is prevalent to paint birdhouses, benches, and everything else you place outside the house.

The colors are popping, and that is why they are often chosen. Will they get washed away under the rain or water splashes? Find out here.

Will Rain Wash Away Acrylic Paint: The Answers

After reading this, you won’t question whether you will wash away acrylic paint anymore. Everything you have to understand about the whole thing is written below, including the big answer of whether or not the paint will get washed away under the rain and how to prevent it from happening. Read the information down below.

1. Does Acrylic Paint Wash Away under the Rain?

People often wonder if acrylic paint will wash off rocks in the rain when they use it to paint the rocks outside their houses. Well, the answer is yes. Sometimes, the paint is washed away under the rain as the paint’s nature is not waterproof. You have to make the paint waterproof on your own.

I have experienced acrylic paint holding up well outdoors if properly sealed. I’ve painted several outdoor garden decorations; initially, some faded or peeled after a season of rain. This led me to explore sealing methods, which significantly improved the longevity of the paint.

2. The Method to Prevent Acrylic from Being Washed Away

The only method to prevent the paint from being washed away is to make the entire thing waterproof. You can do that by doing several things below. If the paint is not made waterproof, it will be hard for it to stick to the material in the rain. So, how do you make acrylic paint waterproof? Keep reading to find out.

Once dried, acrylic paint can resist water to a certain extent, but it is not entirely waterproof. To protect it, especially in outdoor settings, it is crucial to apply a waterproof sealant. A proper sealant creates a barrier that shields the paint from moisture, thus extending its lifespan.

Method	Description
Waterproof Coating	Brush a waterproof coating onto the dried paint to create a seal that repels water.
Aerosol Varnishing	Use a spray varnish to quickly apply a protective layer without the mess of a brush-on product.
Resin Coating	Apply a resin coating for a robust, waterproof finish that ensures the paint adheres permanently.

3. Waterproof Coating

Making the paint waterproof is like sealing the paint on the material. So, how do you seal acrylic paint? There are several easy methods that you can try. One is to use a waterproof coating. After the paint is dried out, you need to brush layers of waterproof coating to seal it.

4. Aerosol Varnishing

If applying a coating with a brush seems too time-consuming, aerosol varnishing is a great alternative. It’s easy to use and less messy. Spray the painted surface, and it will help the paint resist rain. Aerosol varnishing is convenient and effective, especially for quick projects.

5. Resin Coating

The last method is to use a resin coating. Resin is highly effective at permanently ensuring the paint stays adhered to the surface. It is waterproof and relatively easy to find and apply. Resin coating can be an excellent choice for items exposed to harsh weather conditions.