If you’re planning a carbon fibre lamination or composite project, accurate epoxy resin calculation is crucial for optimum results and minimising waste. This guide walks you through everything you need to know to estimate resin coverage for one square metre of carbon fibre, while comparing top ResinPro products designed for the purpose. Whether you’re a composite technician or a DIY enthusiast, you’ll find clear recommendations tailored to your application.

Overview: Estimating Epoxy Resin Use per Square Metre

One of the most common questions when working with carbon fibre is: how much epoxy resin will properly impregnate 1m² of fabric? The answer depends on several factors, including the weave and weight of the fibre, layer thickness, and resin viscosity. As a rule of thumb, you should calculate approximately the same weight of resin as your carbon fibre fabric (i.e., for 200g/m² carbon cloth, allow 200g resin per m²). However, for ideal wetting, coverage can range from 200g up to 350g per square metre, depending on technique and surface absorption. Always check your specific fabric requirements and choose a resin designed for carbon and technical fabrics. Below, we compare ResinPro’s best products for this application.

Example Coverage and Application Video

Watch a step-by-step demonstration of correct resin mixing and application over carbon fibre, showing even coverage, proper wetting, and bubble removal using top-rated products.

“Carbon Resin” – Epoxy Resin for Carbon Fiber & Fiberglass Coating

For professional composite builds, “Carbon Resin” – Epoxy Resin for Carbon Fiber & Fiberglass Coating is specially formulated to ensure easy application and high impact resistance. Its low viscosity formula delivers perfect impregnation with minimal bubbles, resulting in structural integrity and a glossy, professional finish. Curing at room temperature means a streamlined process for both large and small areas. This resin is ideal for those needing reliable performance under demanding conditions or for visible carbon fibre finishes.

“Trasparente” – Multipurpose Clear Epoxy Resin for Casting – Up to 2cm

“Trasparente” – Multipurpose Clear Epoxy Resin for Casting – Up to 2cm offers an ultra-clear formula and high scratch resistance, making it suitable for wood, art, and technical fabric projects, including carbon fibre. Its self-levelling finish ensures consistent thickness and minimal surface defects. If your application includes decorative castings or areas such as composite tables, this resin delivers a blend of clarity, reliability, and UV-resistant durability.

“Icrystal” – Clear Epoxy Resin – Odourless Formula – Up to 1.5cm

For users seeking a crystal clear and odourless epoxy resin with high scratch resistance, “Icrystal” – Clear Epoxy Resin – Odourless Formula – Up to 1.5cm fits the bill. It is designed specifically for making coatings and impregnating technical fabrics such as carbon fibre up to 1.5cm per application. With a straightforward 2:1 resin-to-hardener mixing ratio and UV filter warranty, it’s perfect for creative and practical surface finishing tasks.

“Trasparente” Epoxy Resin Kit 800g + Mica Powder 10g – 10 Colour Variations

For those seeking versatility and creative freedom, the “Trasparente” Epoxy Resin Kit 800g + Mica Powder 10g – 10 Colour Variations combines all the strengths of the standard “Trasparente” with the ability to add vibrant colour effects. The kit provides an ultra clear epoxy resin with high transparency and glossy, self-levelling finish, making it especially efficient for detailed work or when a decorative touch is desired on your carbon fibre surface. It also comes with gloves and instructions for safer, mess-free use.

Choosing the Right Epoxy Resin for Your Carbon Fibre Project

Selecting the best epoxy depends on your project’s primary aim—whether you need technical strength, maximum clarity, or artistic versatility. For structural carbon fibre work, “Carbon Resin” – Epoxy Resin for Carbon Fiber & Fiberglass Coating stands out for reliability. For multipurpose applications, both “Trasparente” resins and “Icrystal” offer flexibility and finish. No matter your choice, always work within recommended coverage, apply with proper technique, and ensure accurate weighing for best results.

Surface Preparation and Layering Tips

Ensure your carbon fibre is clean, dry, and free of contaminants. Use a roller or brush to apply the resin, build in thin layers for optimal wetting, and allow full curing between coats for maximum durability and clarity.