Asphalt Specialists In Hydraulic Engineering


Geomat DM20
Lean Sand Asphalt
Open Stone Asphalt / Mattresses
Asphaltic Mastic / Mastic Grout
Dense Stone Asphalt
Dense Asphaltic Concrete
Bituminous Membranes
Marine Mastic Granules
Sarmac Mattresss
Profix Mattresses

Lean Sand Asphalt

Lean Sand Asphalt

Structure and Properties

  • A greatly under filled mixture of sand and bitumen (4% of volume) with or without filler.

  • Permeability is similar to the original sand.

  • As workable as sand when hot.

  • Cools to form bound material resistant to erosion and wash out.

  • Can be placed above or below water

Lean Sand Asphalt


  • A 3-D filter layer.

  • Regulation of uneven surfaces.

  • Filling small voids and cavities.

  • Core material for reclamation bunds.

  • Scour protection.

  • Easy to store and place so suitable for emergency measures.