Advanced Mould Making Course: Creating a Jesmonite Jacket Mould

Take your mould-making expertise to new heights with our intensive 3-day Advanced Mould Making course, designed for artists and professionals looking to create large, complex moulds. In this course, you’ll learn to create a professional-quality Jesmonite jacket mould for a larger objects such as a half-life-size portrait. This advanced technique involves using a thin skin of rubber and an outer casing, or a jacket made from fiberglass and Jesmonite to create a durable, reusable mould.

Course Overview:

Over the three days, you’ll gain hands-on experience in applying multiple layers of rubber to form the mould and reinforcing it with a Jesmonite and fiberglass exoskeleton. You’ll also learn specialized techniques and insider tips to ensure your moulds are of the highest professional quality.

Topics covered include:

§ Mixing and applying first and second coat rubbers, including thickening techniques

§ Creating keys for mould stability and proper alignment

§ Mixing and thickening Jesmonite for different layers and viscosities

§ Laminating fiberglass with Jesmonite to form the outer casing

§ Applying release agents for easy demoulding

§ Trimming, finishing, and caring for your jacket mould

§ Demoulding a large, complex piece from a Jesmonite jacket

These advanced techniques will allow you to create moulds for large-scale artwork, including sculptures and portraits, as well as enable you to cast in a wide range of materials. By the end of the course, you’ll have the skills to produce moulds that can handle complex shapes and sizes ideal for professional-level projects.

Duration: 3 days