Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to Can I pour resin when it is very hot in the workshop?
Working with epoxy resin in hot workshop conditions requires some extra attention, particularly when you want to achieve thicker layers. Pouring too much at once can be risky, but with a careful approach, you can achieve clear and consistent results even in summer temperatures.
Why Pouring Thick Resin Layers in Heat Can Be Tricky
Epoxy resin cures through a chemical reaction that gives off heat. In warm workshop environments, this process speeds up. If you pour large volumes or thick layers at once, the risk of overheating increases. Excessive heat inside the resin can lead to yellowing, cracks, warping, or even dangerous smoke. That’s why even deep pour resins like Epoxytable 10-Ten are best poured in controlled layers instead of a single thick pour, especially during hot spells.
Safe Layering Technique in Hot Conditions
To prevent excessive heat build-up, pour deep-cast epoxy in layers rather than all at once. For many products, it’s safest to limit individual layers to the maximum advised thickness and always allow 6–8 hours of curing time between pours. This gives the resin below time to cool and stabilise, reducing the chance of problems. Use tools to monitor ambient temperature and try to work in the cooler part of the day if possible for better control.
- Avoid pouring more than the recommended thickness in one go, even if the product is designed for deep casting.
- Let each layer fully gel and cool before adding the next.
- Check the product datasheet for guidance as some resins are optimised for hot weather or thicker pours.
Choosing the Right Resin for Layering
Not all epoxy resins behave the same way in heat. Specialised deep pour resins such as “Epoxytable 10-Ten” and “EpoxyTable 5-Five” are formulated for controlled exothermic reactions, making them safer for use in large or thick projects. For small, thin pours, a product like “Icrystal” Clear Epoxy Resin may be suitable. Always select a resin based on your project’s size and thickness requirements, and consider the workshop temperature when purchasing.
When Layering Matters Most
Layering is especially important for large river tables, blocks over 5cm deep, or projects using several kilograms of resin. Ample curing time between layers is crucial in such cases to avoid distortion or surface defects.
Related products
Related guides
Following a layered approach when pouring resin in hot workshop conditions helps ensure your project cures evenly and safely. For deeper guidance on using resins in variable temperatures, see our main advice at Can I pour resin when it is very hot in the workshop?.