There are two methods for applying additional epoxy resin coats:
- Sand down your first layer after letting it dry for 24 hrs
- Pour a new resin layer every 3-5 hrs.
Both methods work well, ensuring a strong bond between resin layers.
Let's take a closer look at each method:
The 24 hour method:
This method takes a bit more time but ensures a very strong bond between layers.
- Pour your initial coat of epoxy resin and let it cure for 24 hours. At this stage, the resin will no longer feel sticky, and will feel smooth and dry to the touch.
- Use coarse sandpaper (we recommend 80 grit) to rough up the surface, creating tooth for the second coat.
- After wiping away the sanding debris, pour the next coat over the prepared surface.
💡TIP: Remember: Whenever your resin has fully dried, you must sand before you applying a second coat to ensure a strong bond between layers. Skipping this step could result in delamination over time. Don't worry about the scratches from sanding—they'll disappear once you apply the fresh resin layer.
The 3-5 hour method:
This is a great option when time is limited.
After applying the first coat of ArtResin, wait about 3-5 hours until it starts to thicken and reaches a gel-like state.
At this point, pour the next coat directly on top. The stickiness of the partially cured resin will create the necessary tooth, allowing the two layers will bond as they cure simultaneously.
💡TIP: If your workspace is warm, you might be able to pour the next coat of ArtResin at the 2-3 hour mark.
| Interval Between Layers | Advantages | Disadvantages |
|---|---|---|
| 3-5 Hours | Strong bond, quick project completion, resin layers cure simultaneously | Requires precise timing |
| 24 Hours | Ensures full curing, strong bond | Requires sanding, extended project time, resin layers can be visible |
Best Practices for Layering Resin
To achieve the best results, consider these expert tips:
3-5 Hour Partial Setting: Allow the first layer to set to a gel-like state before applying the next coat. This partial cure ensures that the resin is thick enough to hold embellishments such as glitter, photos, or crystals in place without them floating or sinking. Since both layers are curing together, this method helps prevent visible lines between layers.
24 Hours + Sanding Between Layers: Sand the surface with coarse sandpaper. The idea is not to remove the resin, but simply to create texture or micro-abrasions, which increases the surface area and helps the new layer adhere better. Always wear a dust mask when sanding resin, and be sure to remove all traces of dust before applying the fresh layer. This method is ideal for achieving crisp definitions between different colors of resin, but note that lines between layers may be more visible in the final piece.
So there you have it! Pouring multiple coats of ArtResin is easy. Whether you choose the 3-5 hour method or the 24 hour method, you can repeat these steps as many times as needed to reach the thickness you want.
Check out our blog on How To Fix Epoxy Resin Drips.
ArtResin: The Original Epoxy For Resin Art.
