What Is Non-Yellowing Polyurethane?

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Non-Yellowing Polyurethane: What It Is and Why It Matters

When installing permeable paving—particularly with white or pale stone aggregates—using a non-yellowing polyurethane binder is key to maintaining a fresh, clear finish that lasts. Here’s what you need to know for business paving projects.

What Makes Polyurethane ‘Non-Yellowing’?

Standard resins can develop a yellowish tint over time, especially when exposed to sunlight. Non-yellowing polyurethane is specially formulated to resist this discolouration, keeping white or light-coloured pebbles clear and pristine. This is important for both visual appeal and the professional presentation of business premises.

Choosing the Right Binder for Your Project

For business spaces using white or natural stone, a high-quality, UV-resistant polyurethane binder, such as Polirock, is recommended. It provides a clear, durable bond without the risk of yellowing. For darker or coloured aggregates, a low-yellowing epoxy may also be suitable, but polyurethane is the preferred choice for pale surfaces to ensure the brightness is preserved.

When Non-Yellowing Polyurethane Matters Most

Showcase entrances, corporate courtyards and other high-visibility settings
Outdoor paving subject to regular sunlight exposure
Businesses seeking a contemporary, clean look for clients or guests

Related guides

How Do I Choose Permeable Paving For Businesses

Maintaining the crisp appearance of your permeable paving is simple when you select the right binder. For more tailored advice on choosing permeable solutions for business spaces, see our main guide on how to choose permeable paving for businesses.