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Fine Texture Blocks

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Roadstone manufactures the most extensive range of Fine Texture blocks in Ireland from the highest quality aggregates produced at our own quarries that  are specially graded to give a finer texture than standard blocks.

Fine texture blocks are either left unplastered or painted for use in internal walls.


  • Available in High compressive strength
  • Class A1 – Fire resistance
  • Excellent sound insulation
  • Long term durability
  • Sustainable production process
  • Low thermal conductivity and high thermal capacity


  • Extensive range of solid and hollow blocks
  • Standard sizes – metric 450mm and modular 400mm ranges
  • Wide choice of accessory products
  • Produced nationwide
  • Cost effective


Typical application for fine texture blocks include churches, schools, sports centres, office, factories etc.

Block Range

Solid---25%-Void---440-x-215-x-100mm Solid---440-x-215-x-100mm---20-kg Solid---440-x-215-x-140mm---27kg Filler-block---215-x-65-x-100mm---3kg Cavity-closer---440-x-215-x-100/150mm---23kg Cavity-closer---440-x-215-x-100/215mm---25kg Soap-bar---440-x-140-x-100mm---13kg Soap-bar---440-x-100-x-100mm---9kg U-Block---440-x-215-x-215mm---22kg Hollow-Group-4---440-x-215-x-215mm---27kg Half-Hollow---215-x-215-x-215mm---12.6kg Double-Half-Hollow---2-no.-215-x-215-x-215mm---Each-13kg Twin-Pot-Cavity---440-x-215-x-215mm---25kg Hollow---440-x-215-x-140mm---18kg

Technical Specification

Standard Concrete Blocks

  • I.S. EN ISO 9001:2000 quality management system
  • I.S. EN 771-3:2011 Specification for Masonry Units – Part 3: Aggregate Concrete Masonry Units using an NSAI, System 2+ Certificate of factory production control.
  • Roadstone products also meet the statutory requirements of the relevant sections of The IrishBuilding Regulations 2014

Thickness options

  • 450mm Range 100mm / 140mm / 215mm
  • 400mm Range   90mm / 190mm

Standard Specials

  • Quoins, Cavity, Closer, Lintels, Bond Beams
  • The full Forticrete range of shapes and sizes can be made to order .

Compressive Strength

  • Available to I.S. EN772-1 fm dry
  • Group 1 (solid)  7.5N/mm² 13N/mm²  and 18N/mm²
  • Group 2 (cavity) 4.5N/mm²   5N/mm² and 13N/mm²

Fire Resistance

  • Euro code 6 – I.S. EN 1996  Design of Masonry Structures – Part 1-2: General Rules – Structural Fire Design,  defines the methods and calculations to determine the fire resistance of concrete block walls.  Table N.B3.1 to table N.B3.6 of annex A, Roadstone Blocks have a Class A1 Fire rating

Thermal Properties

  • I.S. EN 1745 Masonry and masonry products-Methods for determining design thermal values . table A3
  • Typical Thermal resistance “R” value of 100 mm solid block   = 0.084 (m²K/W)
  • Typical Thermal resistance “R” value of 215 mm cavity block   = 0.210 (m²K/W)



Further information on technical guidance and blocks brochure.