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Epoxy vs. Metallic Epoxy vs. Polyaspartic

We compare 100% solids epoxy, swirled metallic epoxy, and polyaspartic topcoats, including how fast each cures and how long each lasts.

· 6 min read

Three coating samples: solid epoxy, metallic epoxy, and flake with polyaspartic topcoat

Illustration only. This isn't a photo of one of our finished jobs.

Three Names People Mix Up

Talk to anyone about coated concrete and you'll hear epoxy, metallic epoxy, and polyaspartic tossed around like brands of the same thing. They aren't. Two are different types of resin and one is a decorative look. Knowing which is which changes what you should pay.

All three fall under our epoxy floors service, and all three depend far more on prep than on which product you pick.

100% Solids Epoxy

This is the workhorse, a two part resin that hardens by chemical reaction, not by drying out. So the thickness you put down is the thickness you keep.

Epoxy builds thickness, grabs hard onto concrete that's been ground right, and stands up to a lot of chemicals. That's why it's the base layer in most good systems.

The downsides: sunlight turns it yellow over time (ambering), and it takes days to cure, not hours. It's more brittle than newer coatings too, so how thick it goes on and how well the slab is prepped both matter.

Metallic Epoxy

Close up of metallic epoxy swirls, showing how the color moves and looks deep

Metallic epoxy is regular epoxy with shiny metallic pigment mixed in. The installer works the pigment around before the resin sets. That creates swirls, pools, and a sense of depth that's hard to get any other way.

You pick it for looks, not for toughness. The resin underneath does the same job it does in a solid color floor. It's only as tough as the prep and thickness under it. How it turns out depends on the installer more than almost any other floor. Two crews using the exact same product will give you floors that don't look alike.

We only call it metallic epoxy when that's what it is. A swirled look isn't stained concrete or polished concrete, and the difference matters for upkeep and price.

Polyaspartic

Polyaspartic is a type of polyurea, a different family of resin from epoxy. It usually goes on as the top coat. Its big plus is speed. With many systems you can walk on it that evening and park on it the next day. And it's made to resist yellowing in the sun, where epoxy ambers over time.

A good one is designed to handle hot tires too, and that matters in any Texas garage. Put on thin over an epoxy base, it's the layer that takes the wear and the abuse.

It isn't cheap, though. It costs more per coat and gives the crew far less working time than epoxy. Since it cures fast, the crew has to know exactly what they're doing. There's no time to figure it out on the fly.

How They Usually Work Together

LayerTypical productWhat it does
PrimerEpoxy primer, or one made for damp slabsHelps it stick and, if needed, holds back moisture
Base100% solids epoxyThickness, sticking power, color or metallic look
Flakes (scattered on the wet coat)Vinyl flake, optionalTexture, added grip, looks
TopcoatPolyaspartic or clear epoxyTakes the wear, helps resist sun, and holds any grit for added grip

The part that decides everything

No coating can make up for bad prep or a moisture problem nobody fixed. A top shelf polyaspartic on a slab that wasn't ground or tested will likely fail sooner than a basic epoxy on one that was.

Which One to Pick

We'd go with a solid color epoxy and a clear topcoat for workshops, equipment rooms, and commercial floors where function comes first and some downtime is fine.

Garages are where a flake system earns its keep. Texture, more grip, and hiding dust and marks all matter there. Our garage floor guide goes deeper on flake floors.

Pick metallic epoxy when the floor is meant to be looked at: a showroom, a bar, a shop, or a room you want to stand out. Know going in that the result is partly art, and ask to see the installer’s own floors.

Pick a polyaspartic topcoat when sun, hot tires, or getting back on the floor fast matter. In Central Texas garages, that's most of the time.

What to Ask For in a Quote

Ask for the product name for each layer and the total thickness. Ask how rough the slab will be ground, how they'll test for moisture, when you can walk and drive on it, and whether grit for grip is included. If a quote only says “epoxy floor” and a price, what exactly are you paying for? You can't tell from that.

Learn more about Epoxy Floors

If epoxy sounds right for your space, our service page covers what's included, how we do it, and what changes the quote.

Questions

Questions people ask about this

Is polyaspartic better than epoxy?
They do different jobs and most good floors use both. Epoxy builds thickness and grabs hard onto concrete that's been prepped. Polyaspartic cures fast, is made to resist yellowing in the sun, and typically handles hot tires well. That makes it a strong topcoat over epoxy. On its own, polyaspartic goes on thinner and costs more per coat.
What makes metallic epoxy different?
The installer works metallic pigment around in the wet resin, which leaves shiny swirls that look like they have depth. You pick it for looks, not toughness. It isn't stained or polished concrete, so check that your quote calls it metallic epoxy by name.
Which system stands up to hot tires?
An epoxy base on a well prepped slab, with a polyaspartic topcoat. Hot tire pickup is when your tires pull up the coating. It happens when chemicals in hot rubber (plasticizers) attack a coating that didn't stick well or didn't fully cure. Prep and coating thickness matter more than the brand, but good polyaspartic topcoats tend to hold up better.

Still deciding?

Send us your room size, what's on the floor now, and a couple of photos. We'll tell you what the slab likely needs before you commit to anything.

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