Posted on 1/2/2015
Gravel and sands have natural properties. They are:
permeable, allowing water to flow through,
as resistant as traditional aggregates,
durable and easy to maintain,
stable and rot-proof.
They can be used for:
driveways,
gardens, to limit the spread of plants,
manufacturing decorative concretes,
sand trays, due to their rounder grains, avoiding the risk of cuts.
Some d...