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Rectangle One Piece Resin Molds (Black Edition)

$85.00 CAD

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Size

Empire Molds — Reusable Epoxy Forms for Serving Boards, Charcuterie Boards & Wood + Epoxy Projects

Empire Molds are premium reusable epoxy forms built for makers who create serving boards, charcuterie boards, and wood + epoxy projects. Whether you’re a weekend hobbyist or a production shop, these molds are designed to deliver clean edges, consistent shapes, and reliable leak-free pours—project after project.

We recommend using EcoPoxy FlowCast with these forms for best results on thicker pours and board-style castings.

What’s Included

  • 1 reusable Empire Mold (form)

Built to Last: One-Piece Construction (No Welds)

These molds are one-piece thermoformed for durability and consistency.

  • No welds

  • No cracks

  • No leaks

The one-piece design helps prevent weak points so you can pour with confidence—especially important for deeper epoxy casting jobs.

Easy Release Design

Empire Molds are made from HMWPE (High Molecular Weight Polyethylene), a smooth, resin-friendly material that quality slow-curing epoxies typically won’t bond to. Once cured, you can usually tap the sides and bottom to release the piece.

Do you need mold release?
Yes and no. Many makers can de-mold without it when using slow-curing, high-quality casting epoxies. That said, using mold release is a smart “best practice” to extend mold life and is especially recommended if you’re using resins outside the brands we carry.

Pro Tip: Add a Layout Template

For cleaner results and faster finishing, we also recommend one of our Layout Templates. They help with:

  • Planning your wood + epoxy layout

  • Accurate alignment

  • Final trimming and shaping

Sizes Available (Inside Dimensions)

Choose the form size that matches your project (all measurements are inside dimensions):

  • 19" x 4.5" x 2" deep

  • 10" x 18" x 3" deep

  • 14" x 18" x 3" deep

  • 12" x 24" x 3" deep

  • 18" x 36" x 3" deep

  • 24" x 48" x 3" deep

Designed for Easy Demolding

  • 7° open side walls to help your cured piece release smoothly

  • 1/8" thick walls that are sturdy during pouring, yet flexible enough to peel away for easy removal

Customer Reviews

Based on 18 reviews
94%
(17)
6%
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R
Rob Tipper
Great mold

Sturdy mold worked great release was excellent

T
Todd McFarlane
One pieces resin molds

These are worth every penny. Saves so much time by not having to tape everything. Forms are shaped so work pieces are easy to get out and clean up is a breeze!

C
C.W.
12x24" Rectangle Mold

I've only used my mold twice, but I'm impressed with the quality and ease of use so far.
The good: I used Famowood tabletop for a thin pour of coasters, then Ol' Loggin for a ~2.25 side table pour. Both came out very easily despite not using mold release, which isn't recommended for non-approved brands of epoxy, but it's good to know there's margin for error. I think the angled sides really help, so if you cut your pieces with a 5~7 degree angle they'll fit and then release nicely.
What I'd change: I wish they had a white mold at a similar price point. The black makes it difficult to judge the color of a translucent pour. I'd also recommend drilling holes in the sides to make a clamping solution similar to what's on the more expensive mold, because just putting weights on HDPE blocks on wood requires a lot of weight for larger projects.

Overall, very happy I went with this vs a silicon mold. If I buy another I'd consider the more expensive white mold, but this is an excellent first mold for me.

C
Craig Schumacher
Quality

Excellent quality on all their products!

J
Joe Hess
10x20" Rectangle Mold

Absolutely perfect for what we (Two Knotty Dogs Crafts) do. I was looking for something tough enough to withstand 3 pours a week over a long time. The material that was used in Empire Goods molds fulfills that wish. I will be purchasing in the future converting our line over to these molds offered by Empire Goods - Thank You Guys!