Return to Products


Approximate quantity/m³



Farmcrete concrete mixes are specifically designed for use in the construction of farmyards, roadways, milking parlours, livestock buildings, silage pits and structures for containment of silage effluent and farm run-off fluids. The farm environment places severe demands on concrete due to the aggressive nature of silage effluent, animal waste and heavy machinery traffic. Roadstone’s Farmcrete concrete mixes conform to the Department of Agriculture, Food and Marine S.100 Specification.

Key Features & Benefits

  • Strong, durable and long lasting for the agricultural environment
  • Complies with the Dept. of Agriculture, Food & Marine S.100 – 2015 specifications
  • Made from local materials manufactured to the highest standards
  • Mix design and technical advice available


  • Walled silos
  • Silo slabs
  • Silage aprons
  • Silo channels
  • Purpose built silage effluent tanks
  • For all other purposes including slurry tanks to which silage effluent may be directed

Technical Specification

S.100: Minimum Specification for concrete grades used in agricultural structures. Department of Agriculture, Food and Marine

S.100 Mix A 45N: C35/45 Farmcrete.

  • Minimum Cement Content: 360kgs/m³
  • Maximum water/cement ratio: 0.5
  • Exposure classes: XA3, XC4, XF3 (25 year design life)
  • Maximum Aggregate Size: D20 (20mm)

S.100 Mix B 37N: C30/37 Farmcrete

  • Minimum Cement Content: 310kgs/m
  • Maximum water/cement ratio: 0.55
  • Exposure classes: XC4, XF2 (except for exposed yard slabs where XF3 applies) XA1 (25 year design life)
  • Maximum Aggregate Size: D20 (20mm)

S.101: Minimum Specification for the structure of agricultural buildings
S.123: Minimum Specification for bovine livestock units and reinforced tanks
I.S. EN 206:2013 – Concrete – Specification, performance, production and conformity




What is Farmcrete concrete?

A concrete mix which meets the requirements of the Department of Agriculture, Food and Marine S.100 Specification: Minimum specification for concrete composition used in agricultural structures.

Can Farmcrete concrete be placed by conventional methods?

Yes, Farmcrete concrete can be placed by conventional methods, with placement by bucket or skip being most common.