How Much Binder for Entrance Permeable Paving?

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Accurately measuring the amount of binder required is essential for the strength and longevity of permeable paving at entrances. A well-mixed resin and aggregate base ensures effective drainage and a clean finish.

Typical Mixing Ratios

For a standard entrance area (around 1.2 sq. m at 20–40mm thickness), you should plan for approximately 13kg of polyurethane binder per 432kg of aggregate stones. This mix supports both stability and permeability, key for high-traffic entranceways. Remember, the precise binder needed may change depending on the size and type of stones you select, as well as your chosen paving depth.

Always check manufacturer’s guidance for specific ratios.
Mix thoroughly to ensure even coverage and performance.
If working with white stones, a specialist binder such as Polirock Polyurethane Binder helps maintain clarity and durability.

Choosing the Right Binder

The type of binder directly affects appearance and weather resistance. Polyurethane binders perform well outdoors, providing clear finishes ideal for pale or white aggregate mixes. For darker or coloured stone blends, low-yellowing epoxy or multipurpose polyurethane are reliable. It is important to match the binder both to stone type and expected usage—for entrances, prioritise binders that offer anti-slip and storm-resistance characteristics.

Application and Practical Tips

Measure your entrance surface to determine total area and depth. Purchase the binder and aggregate in compatible volumes; for projects over several square metres, buying a complete paving kit can simplify the process. Mix resin and stone thoroughly, lay the blend evenly, and follow the curing times provided in your product’s instructions. Working in smaller batches can be helpful to avoid waste and ensure a consistent result.

Related guides

How Do You Build Modern Permeable Paving For Entrances

By selecting the correct binder ratio and using quality materials, you’ll achieve a modern, durable and permeable paving solution—perfect for high-traffic entrances. For more on building resilient outdoor surfaces, return to our guide on modern permeable paving for entrances.