Lapilli no crush U is an exclusively mineral material based on crushed and screened volcanic lapilli with a coarse grain size belonging to a single grain size class (5-10 mm)

Properties

• High mechanical strength
• Lightness
• Vascularity (air, large solid/liquid contact surface)
• Neutral PH
• Mechanical stability (frost resistance)

Uses:

• for plugging the drainage layer, below the MediFilter filter geotextile, in cases where it is necessary to increase the compressive strength of the drainage panel
• for green roof applications in multilayer systems where loose material drainage is opted for

Packaging:

• 4 cu m Big Bag
• Bulk delivery