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Choosing the right resin binder is key to maintaining vibrant, long-lasting colours in permeable paving, especially around pools. Low-yellowing epoxy is a popular solution for coloured pebble and aggregate surfaces exposed to sunlight and water.
What Does ‘Low-Yellowing’ Mean in Epoxy?
Epoxy resins can sometimes become yellow or lose their original colour when exposed to UV light, especially outdoors. A low-yellowing epoxy has added stability to help minimise these changes, preserving the appearance of coloured stones or aggregates used in permeable surfaces. While it offers improved protection over standard epoxy, natural weathering and sunlight still cause slow fading over time, but at a less noticeable rate.
Where Is Low-Yellowing Epoxy Used?
Low-yellowing epoxy is commonly chosen for coloured pebbles or stones in permeable paving around pools, terraces, and patios. It is particularly favoured when white or very light aggregates are not used—those are better paired with special non-yellowing polyurethane binders for maximum clarity. For most mixed colour paving, an epoxy like the one included in the “Flowstone” – Complete Permeable Floor Kit with Pebbles and Resin ensures a more stable finish, helping surfaces look fresh and vibrant after installation.
Tips for Choosing and Applying Low-Yellowing Epoxy
- Match your resin to your aggregate: Use low-yellowing epoxy for coloured stones, and pick a polyurethane binder for white stones.
- Apply in the right weather: Avoid installing in very high humidity or extreme temperatures, as these affect curing and final appearance.
- Follow mixing instructions: Proper blending ensures even colour and optimal performance for outdoor use.
When This Matters Most
If your paving is in a sunny spot or you want to keep bold design features around your pool, selecting a low-yellowing epoxy helps maintain the look for longer, reducing the risk of unsightly colour shifts.
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Choosing the right binder, such as a low-yellowing epoxy, is crucial to the quality and longevity of your permeable paving near pools. For comprehensive solutions and easy-to-use kits, see the full advice on permeable paving for pools.