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Mixing pebbles and resin properly is key to creating a resilient, attractive, and permeable ramp or driveway. Getting the proportions and application technique right will ensure a lasting, even finish and water drainage.
Getting the Resin and Pebble Ratio Right
Always refer to the specific product instructions for your chosen resin and pebbles. Most kits, like the Flowstone Complete Permeable Floor Kit, provide clear ratios for resin and aggregate. Carefully measure both components by weight—this consistency prevents weak spots and ensures good bonding. For coloured pebbles, use the recommended low-yellowing epoxy; use non-yellowing polyurethane for white stone. Avoid deviating from the suggested amounts to keep the surface strong and flexible.
Mixing and Application Best Practice
Use a clean, dry mixing container or a cement mixer for larger batches. Pour the resin binder over the pebbles and mix thoroughly for several minutes—every pebble should be fully coated. Spread the mixture evenly over your base, working in sections. Use a trowel or float to level and smooth the surface, and aim for an even coverage without clumps or bare patches. Avoid applying in extreme temperatures or on rainy days, as proper curing will be affected.
When Getting the Mix Right Matters
An accurate mix is especially important for driveable or high-traffic ramps. It ensures long-term durability, keeps the surface permeable (helping prevent puddles), and provides a clean, attractive finish. Poor mixing could result in loose stones, uneven curing, or patchy colour.
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Taking care with your resin and pebble mix provides a solid foundation for permeable, driveable ramps that stand the test of time. For more details on preparing and building these surfaces, see our main guide on building driveable permeable ramps.