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

Geomat DM20

Geomat DM20

Structure and Properties

  • Thin layer of 3-D geotextile filled with a 'mini' Open Stone Asphalt mixture.

  • Open structure allows plants to grow through - vegetation cover is rapid and improves erosion resistance.

  • Withstands waves up to ~0.3m and currents up to ~ 2.5 m/s.

  • Prefabricated in rolls up to 4.8m wide and up to 25 metres long

  • Can be placed above or below water

Geomat DM20


  • Lightweight erosion protection for river training and lakes / lagoons.

  • Used in environmentally sensitive areas as vegetation soon grows through it.