Should Resin Shower Trays Be Poured in Layers?

← Back to How to make a resin shower tray?

Do I Need to Pour Resin in Layers for a Shower Tray?

If you’re planning to make a resin shower tray, it’s important to understand when pouring in layers is necessary for a safe and even result. Deep resin casting presents unique challenges that can be managed with the right approach.

Why Layering Matters for Shower Tray Casts

Pouring resin in a single thick layer can lead to overheating, uneven curing, or even cracking, especially when the tray is deeper than the resin’s recommended maximum pour. Most high-quality epoxy resins specify a maximum pour thickness per layer, generally between 2–10cm depending on the product. Exceeding this thickness without layering increases the risk of defects and jeopardises the durability of your shower tray.

How to Layer Resin Effectively

Begin by checking the technical recommendations for your chosen resin. For example, Epoxytable 10-Ten permits up to 10cm per pour, while others, like EpoxyTable 5-Five, are suitable for 5cm layers. For thicker trays, pour each layer to the manufacturer’s maximum, let it cure fully (often 6–8 hours between pours for deep resins), and repeat until you reach the required depth. This approach supports proper bonding between layers and minimises overlap lines for a strong, seamless structure.

Practical Guidance for Resin Shower Trays

Use a deep-casting resin formulated for larger projects to reduce the risk of overheating.
Allow each layer to cure thoroughly before adding the next to maintain clarity and strength.
Keep your workspace level and dust-free to ensure a smooth finish.
Always follow the resin’s safety instructions for proper ventilation and handling.

When Layering Becomes Essential

Layering is especially crucial when your shower tray project involves deep pours or large areas. If your tray design exceeds the recommended pour depth (for example, sides over 100cm or a total thickness above 5cm), layering is not just smart—it’s necessary to ensure your tray cures evenly and avoids structural flaws.

Related guides

How To Make A Resin Shower Tray

Layering resin is a key step in building a robust shower tray. Knowing when and how to apply this method will help you achieve a durable, professional finish. For more comprehensive advice, explore our complete guide on how to make a resin shower tray.