0/3 mm
Volcanic Sand
Mortars, joints, fine blends
Fine fraction for technical mixes, granulometric correction and precision surface finishing.
Gradings
Technical Gradings Adapted to Each Use
Each grading is calibrated for a specific performance target: filtration, decorative landscaping, pozzolanic concrete, or deep drainage layers.
3/7 mm
Micro Gravel
Mineral mulch, decorative layouts
Regular grain for planting beds and paths, combining durable aesthetics with low maintenance.
5/20 mm
Versatile Gravel
Landscaping, surface & technical drainage
Versatile format for exterior projects, thin drainage layers, and vegetated supports with balanced porosity and stability.
20/50 mm
Deep Drainage
Sub-base layers, basins, earthworks
Large porous grading designed for heavy drainage demand, hydraulic buffering and foundational layers.