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Round NO SEAL HDPE Resin Molds for Epoxy Tables & River Pours

Original price $289.00 - Original price $440.00
Original price
$289.00
$289.00 - $440.00
Current price $289.00
Size: 30" Round NO SEAL Form

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Questions? Call: 416-900-9225

Our Round NO SEAL HDPE Resin Molds are reusable epoxy forms designed for round epoxy tables, coffee tables, side tables, round serving trays, circular resin art, and wood + resin river pours. They are built to save setup time, reduce cleanup, and make repeat round epoxy projects easier without having to build and silicone a new form for every pour.

Made from durable HDPE with one-piece construction, these round epoxy molds are a practical choice for woodworkers, resin artists, DIY makers, and small production shops that want a cleaner, faster, more repeatable way to create round resin projects.

Why Choose a Round NO SEAL Resin Mold?

Building a round epoxy form from scratch can be time-consuming and frustrating. Round NO SEAL molds are designed to make round table pours, circular resin projects, and wood/resin builds easier by giving you a reusable form that is ready for repeat use.

  • Reusable HDPE mold: Built for repeat round epoxy and resin projects.
  • One-piece construction: A cleaner setup compared to building a custom round form from scratch.
  • No silicone needed between uses: Save prep time compared to sealing a new form for every pour.
  • Easy release: Tap the form carefully with a mallet to help release the cured epoxy project.
  • Pour up to 3.25" deep: Designed for deeper round epoxy projects, wood/resin tables, and thicker pours.
  • Mold release optional: Not required, but can help extend mold life and make cleanup easier.

Best Projects for Round NO SEAL HDPE Molds

These reusable round epoxy molds are designed for circular wood and resin projects where a clean, consistent round shape matters.

Round Sizes Available

Choose your mold size based on the finished project you want to make. Smaller round molds are a good fit for side tables and trays, while larger molds are better for coffee tables and larger statement pieces.

Mold Size Best For Common Project Ideas
30" Diameter x 3.25" Tall Smaller round projects Side tables, accent tables, round serving trays, resin art, small coffee tables
36" Diameter x 3.25" Tall Medium round projects Coffee tables, larger side tables, circular wood/resin pours, round trays
42" Diameter x 3.25" Tall Larger coffee table projects Round coffee tables, statement resin pieces, larger wood + resin builds
48" Diameter x 3.25" Tall Large round table projects Large coffee tables, feature tables, oversized circular resin projects

Best Size by Project Type

If you are not sure where to start, use this quick guide:

  • Best smaller round project size: 30" round
  • Best coffee table starting size: 36" round
  • Best statement coffee table size: 42" round
  • Best large round table project size: 48" round

Watch These Round NO SEAL Mold Projects

These videos show how round NO SEAL forms can be used for real wood and resin projects.

Wood + Resin Golf Table

See a round wood and resin table project made with a circular epoxy form.

World's Easiest NO SEAL Form

Learn how NO SEAL forms make epoxy project setup faster and easier.

Round NO SEAL HDPE Molds vs. Rectangle Molds vs. Silicone Molds

Different resin molds are better for different types of projects. If you are comparing round HDPE molds, rectangle HDPE molds, silicone molds, or one-piece molds, use this guide to choose the right option.

Mold Type Best For Why Choose It?
Round NO SEAL HDPE Molds Round tables, coffee tables, side tables, circular resin art, round trays, and circular wood/resin pours Reusable, rigid, and designed for round epoxy projects without having to build and silicone a new form every time.
Rectangle NO SEAL HDPE Molds Charcuterie boards, serving boards, trays, river boards, rectangle table-style projects, and repeat epoxy pours Best option when your finished project needs a rectangle or square shape.
Silicone Charcuterie Molds Beginner-friendly small boards, flexible demolding, and simple charcuterie board projects Flexible and easy to demold, especially for smaller projects.
Empire Goods Black Edition Molds One-piece small resin projects, serving boards, and clean repeatable shapes A simple one-piece mold option for smaller resin projects.

Need Help Choosing a Resin Mold?

If you are not sure whether to use a round HDPE mold, rectangle HDPE mold, silicone mold, or one-piece mold, visit our Epoxy and Resin Guides Hub for help with mold choice, resin selection, bubbles, curing, pigments, and project planning.

Recommended Epoxy for These Molds

The right epoxy depends on your pour depth, project size, and final finish. These round molds can be used for deeper round resin pours, table projects, and decorative circular builds, so choose your resin based on what you are making.

Epoxy Product Best For When to Choose It
EcoPoxy FlowCast Round river tables, deeper pours, large void fills, wood + resin tables, and larger casting projects Choose FlowCast when your round project requires a deeper casting resin.
EcoPoxy FlowCast SPR Smaller shallow pours, trays, decorative projects, and pours up to 1" deep Choose FlowCast SPR when making a smaller shallow project that does not need a full deep-pour resin.
EcoPoxy UVPoxy Flood coats, top coats, table coatings, bar tops, counters, and clear final coats Choose UVPoxy when you need a clear top coat or flood coat, not a deep casting pour.

Complete Your Round Epoxy Mold Project

Most round mold projects also require epoxy, pigments, sanding supplies, wood, and a finish after demolding. These related products can help you complete the project from pour to final finish.

Best Practices to Prevent Leaks

Always pour and cure on a flat, fully supported surface. Avoid placing the mold only on saw horses, blocks, or unsupported areas, as uneven support can stress the form over time. A solid, level base helps protect the mold and keeps your epoxy pours more consistent.

Before each pour, make sure the mold is clean, dry, level, and fully supported. If you are using wood inside the mold, make sure the pieces are properly secured so they do not float or shift during the pour.

Heat Gun and Torch Note

Avoid using excessive direct heat near HDPE molds. If you are removing bubbles from epoxy, use gentle passes and follow your epoxy manufacturer’s recommendations. Too much concentrated heat can damage molds, affect the epoxy surface, or create avoidable project issues.

Helpful Resin Mold Guides

New to epoxy molds or trying to choose the right setup? These guides can help:

Available Online or In-Store

Round NO SEAL HDPE Resin Molds are available online from Jeff Mack Supply for customers across Canada and the USA. You can also shop in-store at our woodworking and epoxy supply shop in Mississauga, Ontario.

Frequently Asked Questions

What is a round NO SEAL resin mold?

A round NO SEAL resin mold is a reusable HDPE epoxy form designed for circular resin projects such as round tables, coffee tables, side tables, serving trays, and wood/resin pours.

Are these round resin molds reusable?

Yes. These Round NO SEAL Resin Molds are made from durable HDPE and are designed for repeat epoxy and resin projects.

Do I need to seal this mold before every use?

These NO SEAL forms are designed to reduce prep time by avoiding the need for silicone between uses. Make sure the mold is clean, level, and fully supported before pouring.

How deep can I pour in these molds?

These round NO SEAL forms are 3.25" tall and designed for deeper round epoxy projects. Always choose the correct epoxy for your pour depth and follow the epoxy manufacturer’s instructions.

Do I need mold release?

Mold release is not required, but it can be used as an optional step to help extend mold life and make cleanup easier.

Which epoxy should I use with a round NO SEAL mold?

For deeper round table pours and larger wood/resin projects, use EcoPoxy FlowCast. For smaller shallow pours up to 1" deep, use EcoPoxy FlowCast SPR. For a clear flood coat or top coat, use EcoPoxy UVPoxy.

What size round mold should I choose?

Choose 30" for smaller round projects, 36" for coffee table-style projects, 42" for larger statement coffee tables, and 48" for large round table projects.

Can I use these molds for round coffee tables?

Yes. Round NO SEAL HDPE molds are a strong option for round coffee tables, side tables, and circular wood/resin table projects.

Can I use these molds for round serving trays?

Yes. Smaller round mold sizes can be used for round serving trays, decorative trays, and circular resin art projects.

Can I use a torch or heat gun with HDPE molds?

Use caution with direct heat around HDPE molds. If removing bubbles, use gentle passes and follow the epoxy manufacturer’s recommendations. Avoid concentrating heat on the mold walls or in one area for too long.

How do I prevent leaks?

Use the mold on a flat, fully supported, level surface. Make sure the mold is clean, dry, and properly set up before pouring. Avoid unsupported surfaces that can stress the form or cause uneven pressure during the cure.

What if I need a rectangle or silicone mold instead?

If you need a different shape or mold style, compare our Rectangle NO SEAL Molds, Silicone Charcuterie Molds, and Empire Goods Black Edition Molds.

Where can I learn more about epoxy resin projects?

Start with our Epoxy and Resin Guides Hub and watch the project videos above to see how round NO SEAL forms can be used for wood and resin projects.