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Why does the Driveway Aggregate come in two different sizes (1-3mm and 2-5mm)?

Question:
I'd like to buy one of your resin driveway kits. Can you advise why the driveway aggregate comes in two different sizes? (1-3mm and 2-5mm)

Answer:
If you are going with the Resin Bonded Driveway System (spread resin and scatter aggregate) then you will only need the 1-3mm as it is small enough to stick. If you use any bigger, there is not enough of the stone surface stuck in the resin which will result in stones becoming loose over time.

If you go with the Resin Bound Driveway System, which is a fully mixed system, you will require both sizes of the stones to create a tighter bond for laying at 12-18mm thick (12mm min for pathways and 18mm min for driveways).
The bounded system is laid thicker therefore it must be porous enough for water to pass through, whilst tight enough not to have big gaps. The 1-3mm and 2-5mm stones will bind together perfectly with the resin to create this bounded system.

 

 

 



Published in: Driveway Resin Systems