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multi-part resin table top

TamaraTries_

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May 19, 2025
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My friends and I are trying to build a multi-part resin ocean table top. Our idea is to use layers of tinted epoxy resin to simulate varying water depths, from a clear shallows to a deeper blue. Within the resin, we plan to embed some tiny details like sand, shells, and marine animals. We're still debating about adding a shipwreck but it might be an overkill LOL

My main questions revolve around achieving a realistic layered water effect without visible lines between pours. What's the best way to prepare the surface between resin layers to ensure a smooth transition? How can we also best control the placement of the embedded items so they don't shift during the resin curing, especially in the deeper sections? How do we also minimize bubbles in larger pours?

If you have more tips beyond what I'm asking, please feel free to comment down below!
 
Cool!.. For smooth transitions between resin layers lightly sand each cured layer and clean it before pouring the next. To keep items in place pour in stages and let the resin thicken slightly before placing details. For fewer bubbles warm the resin before mixing and use a heat gun after pouring. Also try deep pour epoxy to reduce heat buildup and cracks in thicker layers.
 
Awesome tips! Sanding between the layers and warming up the resin are really helpful. Using deep pour epoxy is great for handling heat in thicker layers.

Have you ever poured in cooler weather or used slow-cure options to cut down on heat buildup? And what's your go-to brand for deep pours?
 
Awesome tips! Sanding between the layers and warming up the resin are really helpful. Using deep pour epoxy is great for handling heat in thicker layers.

Have you ever poured in cooler weather or used slow-cure options to cut down on heat buildup? And what's your go-to brand for deep pours?

Yeah that helps cut heat buildup. West System and TotalBoat are popular brands for deep pours with slow cures
 
hi @TamaraTries_ here's a few tips for you that might help, leveling is non negotiable, so, our mold/containment dam must be perfectly level, even a slight tilt will result in uneven depths and won't look right. Use a good level.

make sure your mold or dam (if building one) is completely sealed and waterproof. Melamine board is often used for tables with Tyvek tape on the edges for a clean release. Even a tiny leak will ruin your project
also, start with much less pigment than you think you need for your tints. It's always easier to add more color than to take it away. For a realistic water look, less is often more, especially for the clear to very light blue transitions
 
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Wow, very much agree and you nailed the importance of precision. When it comes to working with fluid materials, getting that seal right and prepping the surface accurately makes all the difference. And I love your tip about starting light on the tint
 
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