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How to Waterproof Painted Rocks?

How to Waterproof Painted Rocks?

Do you love spending time outdoors and painting rocks? If so, then you’ll want to read this guide on how to waterproof painted rocks! Painting rocks is a fun and easy way to show your creative side, and it’s a great activity for kids. But if you want your paintings to last, you’ll need to seal them with a waterproof sealant. In this guide, we will teach you how to do just that!

Why Waterproof Painted Rocks?

Painted rocks are a great way to add a personal touch to your garden or outdoor space.

However, if they’re not properly waterproofed, they can be damaged by the elements. Waterproofing your painted rocks will help them last longer and continue looking great. [1]

Why Waterproof Painted Rocks?

Things Not To Do When Sealing Your Rocks

Hold The Can Too Close

You might be tempted to hold the can of sealer close to your rocks to get better coverage, but this will actually result in a speckled, uneven finish. Instead, hold the can 12-18 inches away from the surface as you spray.

Use Too Much Sealer

It might seem like using more sealer will give you better protection, but it will actually just make a mess. Two light coats are all you need for most projects.

Seal Your Rocks On A Hot Day

The heat will cause the sealer to evaporate too quickly, resulting in an uneven coat. Wait for a cool day with low humidity for best results.

Spray a Heavy First Coat

Putting on a heavier first coat will not give better protection, and will actually just cause more of a mess. You only need two light coats for coverage.
Seal Your Rock Right Away
You need to let the paint dry for at least 24 hours before you seal it. If you don’t, the sealer will cause the paint to run and ruin your design.

Only Seal The Top

If you’re going to be using your rocks outdoors, it’s important to seal the entire rock, not just the top. The bottom and sides are just as susceptible to weather damage as the top, so make sure you give them a good coat of sealer too.

Use A Non-Permanent Sealer

There are many different types of sealers on the market, but not all of them are created equal. Some will only last for a few months before they need to be reapplied, so be sure to choose a permanent sealer for your project.

Things Not To Do When Sealing Your Rocks

Seal Rocks On A Windy Day

Sealing your rocks on a windy day is a recipe for disaster. The wind will blow the sealer around, making it impossible to get an even coat.

Choose a calm day with little or no breeze for best results. [2]

How to Waterproof Painted Rocks?

Choose Between Spray Or Brush Sealers

There are two main types of sealers you can use on painted rocks: spray sealers and brush-on sealers.

Spray sealers are generally quicker and easier to use, but they can be a bit more expensive. Brush-on sealers take a bit more time to apply, but they’re usually less expensive.

Both types of sealers will do a good job of protecting your rocks from the elements.

How to Waterproof Painted Rocks?

Wait For The Paint To Completely Dry

Make sure the paint is completely dry before you apply the sealer. If you’re in a hurry, you can use a hair dryer to speed up the process. Once the paint is dry, it’s time to start applying the sealer.

Apply Several Coats In The Same Direction

For optimum results, apply several layers of sealer. This will help to ensure that your rocks are fully protected from the elements. Be sure to let each coat of sealer dry completely before applying the next one.

Spray From A Distance Or Brush In Even Strokes

If you’re using a spray sealer, be sure to hold the can about 12 inches away from the rocks. This will help to prevent the paint from being damaged by the spray. If you’re using a brush-on sealer, apply it in even strokes, making sure to cover all of the painted areas.

Seal Your Rocks at the Right Place

It’s important to seal your rocks in a place where they won’t be disturbed. If you’re sealing outdoors, find a spot that’s out of the way of foot traffic. If you’re sealing indoors, make sure the area is well-ventilated. [3]

How to Waterproof Painted Rocks?

Additional Tips for Having Perfect Painted Rocks

  • Use a sealer on your rocks. A sealer will help to protect the paint and keep it from chipping or fading.
  • Be sure to wash your rocks before painting them. This will help the paint to adhere better.
  • Try using a primer on your rocks before painting them. This will give the paint something to grip onto and will help it to stay put.
  • If you want, you can add a layer of varnish over the top of the paint once it is dry. This will give the rocks an extra bit of protection against the elements.

What Does It Cost to Waterproof Painted Rocks?

The cost of waterproofing your painted rocks will depend on the type of paint you use as well as the size and number of rocks you have.

The average cost for a small can of waterproof sealer is about $15, while a larger can may cost up to $30.

For a single rock, you’ll only need a small amount of sealer, so the overall cost should be fairly low. If you’re waterproofing multiple rocks, you’ll need to factor in the price of the sealer plus the time it takes to apply it to each rock. Overall, waterproofing your painted rocks is a fairly inexpensive project that can help protect your investment. [4]

How Long Does Waterproofing Last?

Waterproofing your painted rocks will help to protect them from the elements and extend their lifespan. However, it is important to note that no waterproofing method is 100% effective and that your rocks will eventually succumb to wear and tear. Depending on the type of paint used, the waterproofing may last for several months or even years. Ultimately, how long your rocks remain waterproof will depend on how often they are exposed to water and other outdoor conditions.

How Long Does Waterproofing Last?

To ensure that your rocks stay in good condition for as long as possible, it is best to apply a fresh coat of waterproofing every few months. This will help to prolong their lifespan and keep them looking great for longer! [5]

Painted Rocks Storing Tips

Once your rocks are painted and dry, it’s important to store them properly to maintain their waterproofing. Here are a few tips:

  • Store your rocks in a cool, dry place.
  • Avoid direct sunlight, which can fade the paint over time.
  • If you’re stacking the rocks, make sure they’re not touching each other so the paint doesn’t rub off.

With these tips in mind, your painted rocks should stay waterproof and vibrant for years to come!


Is sealing necessary for painted rocks?

No, you don’t have to seal painted rocks, but it’s a good idea if you want the design to last longer. Waterproofing will protect the paint from fading and peeling off over time.

What’s the best way to waterproof painted stones?

To waterproof your painted rocks, simply spray them with a clear sealer or mod podge. You can also dip them in melted wax or resin. Let the rock dry before using it outside.

What is the best sealer for painted rocks?

The best sealers for painted rocks are clear coat sealers or mod podge. You can also use melted wax or resin. Make sure to let the rock dry completely before using it outdoors.

What paint will stay on rocks in the rain?

If you want your paint to stay on rocks in the rain, use a waterproof paint. Some examples of waterproof paints are acrylic paint, enamel paint, and latex paint. You can also buy a sealer that will make any kind of paint waterproof. Just make sure to follow the instructions on the packaging.

Is it possible to seal painted rocks with Mod Podge?

Yes, you can use Mod Podge to seal painted rocks. Just apply a thin layer of Mod Podge over the top of the painted rock, and allow it to dry completely. Once it’s dry, your rock will be waterproof and protected from the elements.

How can I best protect my painted rocks?

The best way to protect painted rocks is to seal them with a waterproof sealer or Mod Podge. This will ensure that the paint stays on the rock, and that the rock is protected from the elements.

What is the best sealant for painted rocks?

There are a few different types of sealants that can be used on painted rocks. The most common type is polyurethane. This is a clear sealant that will protect the paint from fading and chipping. It is also waterproof and UV resistant. Another type of sealant that can be used is acrylic. This type of sealant will not yellow over time and it is also waterproof. It does not have the same UV resistance as polyurethane though, so it should not be used in direct sunlight for long periods of time. You can also use shellac to seal painted rocks. This is a natural resin that comes from tree bark. It has an amber color when dry and it gives a nice glossy finish to the rocks. It is not as durable as polyurethane or acrylic though, so it will need to be reapplied more often.

How do you paint big rocks outside for good?

You can use a variety of mediums to waterproof your painted rocks. You can use mod podge, clear acrylic sealer, or even spray on polyurethane. Let’s take a look at each option and see what would work best for you.

Mod podge is an all-in-one glue, sealer, and finishes that can be used on a variety of surfaces.

It is perfect for decoupage projects and works great on painted rocks. You can apply a thin layer of mod podge to the rock with a brush and let it dry. Once it is dry, you can add another layer for extra protection.

Clear acrylic sealer is perfect for protecting your painted rocks from the elements. It will give the rocks a glossy finish and will make them waterproof. You can apply the sealer with a brush or spray it on.

Polyurethane is a clear coat that will protect your rocks from UV rays, moisture, and wear and tear.

It is important to note that polyurethane can yellow over time, so it is not recommended for use on light-colored rocks. You can apply polyurethane with a brush or spray it on. When using any of these products, be sure to follow the manufacturer’s instructions for best results.

Can I use clear nail polish to seal painted rocks?

Yes, you can use clear nail polish to seal painted rocks. However, it is important to note that not all clear nail polishes are created equal. Some clear nail polishes are designed for specific purposes, such as sealing glitter or protecting your nails from chipping. Therefore, it is important to read the label on the clear nail polish before using it to seal painted rocks.In general, however, most clear nail polishes will work fine for sealing painted rocks. Simply apply a thin layer of clear nail polish over the top of the paint and allow it to dry completely. Once dry, your painted rocks should be protected from the elements and should last for many years.

What kind of paint do you use to paint rocks outdoors?

You’ll want to use a paint that is made for outdoor use and can withstand the elements. Some examples of paints you could use are acrylic paint, enamel paint, or even spray paint. Once you’ve chosen your paint, make sure to read the instructions on how to properly apply it to your rocks.

What can I spray on rocks to make them look wet?

The best way to waterproof painted rocks is to use a clear sealer. This will protect the paint from fading and peeling, and it will also make the rocks look shiny and wet. You can find clear sealers at most craft stores, or you can order them online. Another option is to use a glossy Mod Podge. This will also protect the paint and make the rocks look wet. However, it can be tricky to work with, so I would recommend using a clear sealer if you’re not confident in your ability to use Mod Podge. Finally, you can also use a spray-on varnish. This is an easy way to get a high-gloss finish, but it won’t protect the paint as well as a clear sealer.

How do you use resin on painted rocks?

To use resin on painted rocks, you will need to first mix the resin according to the instructions on the package. Once it is mixed, you will then need to apply it to the rock using a paintbrush or other similar tool. Make sure that you evenly coat the entire surface of the rock with resin. Allow the resin to dry completely before handling or using the rock.

How do you waterproof chalk paint?

There are a few different ways that you can waterproof your chalk painted rocks. One way is to use a clear sealer, such as a polyurethane or varnish. You can also use Mod Podge. Another way is to use beeswax.To use a clear sealer, simply apply it over the top of your chalk paint with a brush. Allow it to dry completely before handling the rocks. Mod Podge can be used in the same way as a clear sealer. Simply brush it over the top of the chalk paint and allow it to dry completely before handling the rocks. Beeswax can be used to create a waterproof barrier on your painted rocks. To do this, simply melt the beeswax and brush it over the top of the chalk paint. Allow it to dry completely before handling the rocks.

Useful Video: 4 Ways to Make Your Rocks Smoother for Painting | Painting Rocks | Rocktastic Arts.


To sum up, there are three main ways to waterproof your painted rocks. You can use a clear sealer, spray on a coat of polyurethane, or apply beeswax. Each method has its own pros and cons, so be sure to choose the one that best suits your needs. With any luck, this guide has helped you learn how to waterproof your painted rocks and keep them looking beautiful for years to come! Thanks for reading!

As always, if you have any questions or comments, please feel free to reach out to us. We would be more than happy to help! And if you’re looking for more rock painting tips and tricks, be sure to check out our blog. We post new articles every week!


  1. https://www.lifeofcolourproducts.com/blogs/rock-painting/how-to-seal-rock-paintings
  2. https://rockpainting101.com/how-to-seal-painted-rocks/
  3. https://craftsonfire.com/2020/08/how-to-waterproof-painted-rocks.html
  4. https://www.artnyfair.com/how-to-waterproof-painted-rocks/
  5. https://paintedrocklife.com/index.php/rock-sealer-info/