The Language of Art
THE LANGUAGE OF
SURFACE
ACRYLIC MEDIUMS & GELS
About this eBook
The surface of a painting is never just about the paint.
It’s about physical structure, paint behaviour, light absorption and reflection, and material density, all of which are shaped by the materials you choose and how you work with them.
The Language of Surface is a practical guide to extending your working knowledge of acrylic paints by adding gels, mediums, and pastes to alter paint properties and move beyond just the technical specifications and into usable knowledge: how materials interact, how surfaces change colour and the effects of sheen, and how to build work that is both intentional and structurally sound.
If you’ve ever wondered why a layer dulled, cracked, flowed too far, or transformed in unexpected ways, this is where those answers start to make sense.
What are Acrylic Mediums & Gels?
Acrylic mediums and gels are specialised additives that change how acrylic paint behaves, without compromising its strength.
Made from the same acrylic polymer binder as the paint itself, they allow you to control texture, transparency, drying time, viscosity, and surface sheen.
From fluid glazing mediums to heavy-bodied gels and sculptural pastes, these materials expand what acrylic paint can do, making it possible to create everything from luminous glazes, transparent and textured layers to raw, tactile surfaces.
Understanding acrylic mediums and gels is essential for any artist wanting greater flexibility in the way they apply paint and build layers whilst maintaining the structural integrity of their painted surface.
Basic Equipment Checklist
What to Expect
What will I learn?
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How to choose and use acrylic gels, mediums, and pastes with confidence
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How different materials affect colour, transparency, texture, and surface sheen
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How to build strong, stable layers without cracking, dullness, or overworking
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How to create a range of effects — from luminous glazes to raw, textured surfaces
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How to develop your own intuitive, repeatable process for working with acrylic surfaces
What's inside?
This 50+ page ebook (PDF format) will guide you through acrylic gels, mediums, and pastes; from understanding core properties to using them in the studio to build texture, control flow, and develop your painted surface with intention.
Inside, you’ll find straightforward explanations and decision-making tips to help you choose the right medium for the effect you're looking for; whether that’s luminous glaze, physical texture, or organic flowing movement in your paint.
It covers essential characteristics such as transparency, drying time and sheen, along with practical tips on creating depth, layers and structure in your paintings whilst maintaining the stability and longevity of your work.
Who is this book for?
This ebook is for artists who want to move beyond simply using acrylic paint on it's own. It’s ideal for painters who feel unsure about which medium or gel to choose, artists frustrated by dull colour, cracking, or unpredictable results or the 'sameness' of acrylic paint straight from the tube and those wanting to create more depth, texture, and surface variation in their work.
Whether your work is abstract, landscape-based, or process-driven, this guide is designed for anyone wanting a more intentional, confident approach to building painted surfaces with acrylic; whether you're a beginner looking for a clear, structured introduction to acrylic mediums or a more experienced artist wanting to refine and expand their material knowledge this guide is for you.
Foundations for the Future
My approach to acrylic painting is always experimental and having a sound knowledge of how far I can push my paint and mediums whilst retaining paint stability has been essential in making work that is both vibrant, sound and that will last for generations.
This eBook is about giving you a foundation knowledge of how acrylic mediums and gels can enhance, support and protect your paintings, whilst keeping your free to experiment and explore as your paint in your own unique way.
Designed as a go-to studio resource, this guide is something you’ll return to again and again as you begin or continue on your acrylic painting journey.
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