Why Jesmonite® air bubbles happen (and how to beat them) Few things are more frustrating than lifting a fresh cast from the mould and finding it peppered with tiny craters. Air bubbles are the single most common complaint from makers working with Jesmonite®, and the good news is that they are almost entirely preventable. In …
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Jesmonite® Air Bubbles: How to Prevent and Fix Them
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How to Choose Silicone Moulds for Jesmonite® Casting
The mould you cast into shapes everything that comes out of it, so getting it right matters as much as the mix. This guide walks you through choosing silicone moulds for Jesmonite®, from the types available to picking the right one for your project, plus how to demould, clean and care for your moulds so …
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How to Make Jesmonite® Coasters (Step-by-Step Guide)
How to make Jesmonite® coasters at home Coasters are the perfect first Jesmonite® project: small, forgiving and finished in an afternoon. If you have never cast before, learning how to make Jesmonite® coasters teaches you every core skill (weighing, mixing, colouring and sealing) on a piece you will actually use every day. Not sure how …
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Jesmonite® Plant Pots: How to Make Indoor & Outdoor
Make your own Jesmonite® plant pots Jesmonite® plant pots are one of the most satisfying casting projects you can make: a chunky little planter that looks like stone or terrazzo, finished exactly how you want it. This guide walks you through which material to use for indoor pots versus outdoor planters, how to cast a …
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How to Make Jesmonite® Jewellery (Earrings & Beyond)
How to make Jesmonite® jewellery at home Jesmonite® is not just for trays and coasters. Its smooth finish, light weight and love of colour make it perfect for small, wearable pieces. In this guide you will learn how to make Jesmonite® jewellery from start to finish: choosing the right moulds, mixing and casting earrings or …
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Jesmonite® Terrazzo Effect: How-To Guide for Makers
The speckled, confetti-like look of terrazzo is one of the most satisfying finishes you can cast at home, and Jesmonite® makes it wonderfully achievable. The short answer to how to make a Jesmonite® terrazzo effect: you make your own small Jesmonite® chips, fold them into a fresh, contrasting Jesmonite® mix, cast it, then sand the …
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What to Make with Jesmonite®: 10 Easy Ideas
10 things to make with Jesmonite® Jesmonite® is one of the friendliest casting materials for beginners: it’s water-based, non-toxic and can demould in as little as 30 minutes with AC100. Once you’ve mixed your first batch, the hard part is deciding what to pour it into. If you’re wondering exactly what to make with Jesmonite®, …
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How Much Jesmonite® Do I Need? Simple Mix Ratio Guide
How much Jesmonite® do I need for my mould? If you have ever mixed too little and watched your cast come up short, or made a huge batch and binned half of it, this guide is for you. The good news is it takes no complicated maths. With a jug of water, a set of …
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How to Colour Jesmonite®: Pigments, Tips & Effects
Colour is what turns a plain cast into something worth keeping. Once you know how to colour Jesmonite®, you can make soft pastel coasters, bold neon trinket trays, marbled vases and terrazzo-style homeware, all from the same Jesmonite® base powder. This guide walks you through which pigments to use, how much you need, and how …
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