How do I make epoxy UV resistant?

If you’re looking for a long-lasting sealer to protect encapsulated items from UV rays, bar top epoxy is a great option for you. Bartop epoxy offers maximum protection from scratches, fading, and yellowing.

Can you add UV protection to epoxy?

Yes, you can add UV protection to epoxy. There are a few ways to make epoxy UV resistant, and the best way will depend on your project.

You can make epoxy resin more durable by adding a UV protectant from the outset. This will prevent premature yellowing and cracking of your resin over time. You can also add a UV protectant after you’ve finished using your product for additional strength and longevity of color in outdoor applications.

It’s important to note that not all epoxies are made equal when it comes to durability against the elements—some have a higher porosity than others, allowing them to absorb more moisture or sunlight (or both).

If you’re working with an open-grained variety such as those used in woodworking projects like making garden furniture or decks, be sure not only to apply any extra coatings but also to check regularly throughout the winter months when temperatures drop significantly below freezing at night so that no damage occurs due simply because temperatures were too low overnight!

How do you protect epoxy from sunlight?

To prevent epoxy from being damaged by UV rays, you can use a UV resistant epoxy. If you want to go all out, you can also use a UV resistant topcoat, paint, and varnish. For a more budget-friendly option, consider using wax or sealant instead.

Finally, if none of these options are appealing to your particular needs or preferences, it is possible to protect epoxy using any type of coating that has been specifically designed to block out sunlight.

What can I put over epoxy to protect it?

The answer to this question is yes, but only if the epoxy resin you used was resistant to UV light. If you used a standard epoxy resin without any additives, then it is not UV resistant and will discolor with exposure to sunlight.

There are two types of resins available: standard (non-UV) and UV cured. Standard resins can be used outside or inside as long as they are covered up from sunlight when not in use.

UV cured resins have an additive mixed in which makes them more durable against heat and sun exposure than standard resin, but they cost more money per gallon because of their increased durability properties.

Does UV light affect epoxy resin?

In short, yes. UV light can affect epoxy resin. The overall effect of exposure to UV will depend on how much time the resin has been exposed and the intensity of the light source.

  • Brittle: If you’ve ever noticed your window frames cracking or your car windshields getting yellowed, you’ve seen evidence that UV light can make epoxy brittle.

How does epoxy resin hold up outdoors?

Epoxy resin is a very durable material. It’s one of the most common choices for outdoor projects because it’s strong, durable, and affordable.

Epoxy resins are also less likely to corrode in harsh weather conditions than polyurethane or polyester urethane coatings; this makes them an excellent choice for any outdoor project that needs protection from the elements.

Is epoxy UV resistant?

Epoxy resin is a little bit of both.

Epoxy resin itself is not UV resistant, but the cured epoxy resin coating is. That’s because when you’re working with an epoxy resin, it requires two parts that are mixed together to create a chemical reaction that turns your solution into a solid.

The first part is called “resin” and acts as glue for adhering surfaces together; the second part is called “hardener,” which triggers the curing process for your new coating. A third step involves adding additional ingredients to get desired performance characteristics (for example hardness or flexibility).

The problem is that some of these hardeners can be sensitive to UV radiation (like those found in daylight), so it’s best to use them indoors if possible.

However, if you do need an outdoor finish then try using an ultraviolet stabilizer like NUVALITE® Ultra Cure which has been formulated specifically for this application!

Will epoxy yellow in the sun?

Yes, epoxy will yellow in sunlight. Not only that, but it can also crack and break apart when exposed to high temperatures.

To prevent your epoxy from yellowing, make sure you use UV-resistant UV resins or UV-resistant pigments. These are specially designed additives that help block out the sun’s rays and reflect them away from the surface of your material.

Epoxy is made out of two parts: resin and hardener (or catalyst). When mixed together they form a clear liquid. This liquid is then poured onto whatever object you’re trying to cover with epoxy so that it can begin curing/hardening right away (otherwise known as cross-linking).

Curing requires specific temperatures which depend on what type of epoxy you’re using; however, most require around 25 degrees Celsius (77 degrees Fahrenheit) for 24 hours before they’re ready for use without cracking or breaking apart!

Can epoxy resin be used outdoors?

Epoxy resin is a versatile material that can be used for many applications. It is often used in making outdoor furniture and other structures, but it has one major drawback: it’s not UV resistant.

Epoxy resin is a great product for indoor projects, but you’ll want to use something else if your project will get lots of sun exposure. A few options are polyurethane or polyester resins, which are both UV stable and won’t yellow over time the way that epoxy does.


In summary, yes, you can use epoxy resin outdoors, but it is important to make sure that the epoxy is UV resistant and has been properly prepared for long-term outdoor exposure.

This means thoroughly curing all your projects and protecting them with a UV-resistant coating. There are some products on the market that already offer this kind of protection, so be sure to check out our list of recommended resins if you’re planning on doing outdoor work with epoxy resin.

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Martin Flood

Martin Flood has been working in the construction industry for over 20 years as a general contractor with expertise in remodeling projects that are large or small. He has furthered his career by specializing in epoxy resin flooring, providing excellent service to both commercial and residential clients. Martin’s experience enables him to offer professional advice on how to choose the right type of project based on your needs and budget.

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