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Binders form the essential link between your chosen aggregates and a practical, driveable permeable surface. Selecting the right binder ensures your resin-bound drive or path remains safe, sturdy, and pleasing to the eye for years to come.
Types of Binders for Permeable Surfaces
Polyurethane and epoxy are the main binder options for driveable, permeable flooring. Polyurethane binders are recommended for light-coloured or white stones, as they resist yellowing and cope well with UV exposure. Epoxy binders can be a suitable choice for darker or coloured aggregates, where minor yellowing is less of a concern.
- Polyurethane: Weather-resistant and remains clear for longer, ideal for white and natural aggregates.
- Epoxy: Offers strong adhesion, best for coloured stones or projects where slight colour shift is acceptable.
Application Guidance
Proper mixing and surface preparation are key to binder performance. Always mix binder and stones at the recommended ratio (for example, around 3% resin to aggregate by weight), ensuring aggregate is completely dry to prevent curing issues. Follow step-by-step instructions and consider using a cement mixer for large areas to achieve an even blend.
When Binder Choice Matters Most
Choosing the right binder is particularly important when using white or light-coloured stones, as discolouration from UV can affect the final look. For driveways and areas expecting regular vehicle use, select a binder that provides both durability and some flexibility, protecting against cracking and wear over time.
Related products
Related guides
Understanding binder options helps you create a lasting, driveable permeable surface tailored to your needs. For a complete guide on choosing products for these applications, see our main page on driveable permeable surfaces.