Evalast Background Aggregate Block

Evalast Background Aggregate Blocks are dense concrete blocks which can be used in any part of a project. Their performance makes them especially applicable to partition and separating walls where good sound insulation and high strength is required.


  • High strength
  • Excellent sound insulation
  • Good thermal conductivity
  • Can be recycled after use
  • BES 6001 Responsible Sourcing certification

Key Data

Compressive Strength: 7.3, 10.4, 17.5*, 22.5, 30 N/mm²

*140mm width product not available in 17.5 N/mm2 mean compressive strength

λ Internal: 1.32 W/m.K

λ External: 1.42 W/m.K

Dry Density: 1990 kg/m³

Working Dimensions

Face dimensions (mm): 440 x 215

Dimensions and Weights

Block thicknesses and weights at equilibrium density (for 440 x 215mm)

Height Length Width Dry Weight
215mm 440mm 100mm 18.8kg
215mm 440mm 140mm 26.4kg
215mm 440mm 215mm 24.5kg

Beam & Block Floors
Cavity Walls
Solid Walls
Separating Walls

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Conbloc Guide

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