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If you are resurfacing permeable outdoor flooring, choosing the right binder is crucial for both appearance and longevity. Non-yellowing polyurethane is highly valued in resin-bound systems, particularly where the look of light-coloured stones matters.
What Is Non-Yellowing Polyurethane?
Non-yellowing polyurethane is a specialist binder designed to resist the discolouration that can happen when standard resins are exposed to sunlight and weather. This is especially important for white and pale-coloured aggregates, as traditional resins may take on a yellow tint over time, changing the intended look of your surface.
How and When to Use Non-Yellowing Polyurethane
When installing or resurfacing permeable floors with light stones such as white Carrara gravel, non-yellowing polyurethane helps to preserve their clean, bright appearance. In contrast, mid- to dark-coloured stones often only require low-yellowing epoxy binders. If maintaining a crisp, neutral shade is key for your project, opt for polyurethane specifically labelled as non-yellowing for the binder phase. Consider a product like the Flowstone Complete Permeable Floor Kit, which provides clear guidance on resin choice based on aggregate colour.
When Non-Yellowing Properties Matter Most
- You are resurfacing areas with white or light aggregates intended for long-term outdoor use.
- A consistent appearance and curb appeal are high priorities, such as on driveways or public pathways.
- You wish to avoid discolouration from sun exposure or harsh weather over time.
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For any permeable floor resurfacing, especially with natural or light-coloured stones, consider non-yellowing polyurethane binders to maintain a lasting, attractive finish. Explore more resurfacing options and tailored advice by visiting our main page on resurfacing permeable flooring.