McGraths Limestone have all types of crushed limestone aggregates, filling and hardcore available from our quarries in Cong and Newbrook. These products are suitable for a variety of uses in general construction.

We produce the following from our Cong Quarry:

  • Quarry run rock
  • 300mm broken stone
  • 150mm broken stone
  • 75mm broken stone
  • 37mm broken stone
  • 20mm chips
  • 14mm chips (washed or unwashed)
  • 10mm chips (washed or unwashed)
  • 6mm chips (washed or unwashed)
  • 25mm quarry screenings
  • Clause 804
  • Clause 810
  • Clause 811 (on request)
  • Quarry dust
  • Quarry dust washed
  • Plastering sand
  • Block laying sand


McGrath’s have Armourstone available ex-pit or by delivery by specially adapted rock Lorries.
The Armourstone has being used in riverbank protection, retaining wall structures, sea wall defences and road restructuring projects.

Armourstone has being supplied to the following customers:

  • Galway County Council
  • Mayo County Council
  • Western Regional Fisheries Board
  • Galway Corporation
  • Office of Public Works
  • Various building & pier structure projects