Duromastic AC

Price: $110.50 (Inc. GST and Freight)

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It is important that you get an accurate measurement of the floor area.

Duromastic AC is a superior proven, weather resistant, high build, liquid applied waterproofing membrane coating.

Duromastic AC is suitable for use on concrete structures and roofing and cures to form a seamless and lap-free membrane over the substrate. 

  • Waterbased and non-toxic
  • Withstands constant water immersion
  • Fast drying
  • Retains flexibility
  • Single pack
  • Simple to apply by brush or roller
  • Available in White or grey


  • Concrete block walls
  • Concrete roofs
  • Tile roofs
  • Grain silo bases
  • Truck and caravan roofs
  • Seam sealing
  • General Waterproofing


When using Duromastic AC with fibreglass CSM, the recommended total usage rate is 1.5 litres per sqm.

If applying single coats of Duromastic AC, allow 8sqm/litre, per coat.

  • -- Select colour --
  • Light Grey
  • White