Evalast Background Aggregate Block

Benefits of Evalast Background Aggregate Block

Conbloc aggregate blocks are available in a variety of densities, strengths, sizes and configurations to suit internal and external applications, above or below ground. Both the Conbloc Evalast dense and Conbloc Fenlite lightweight aggregate blocks ranges are available in paint grade and background blocks with coursing units, which can be used in all situations where durable, robust blockwork is required. They offer excellent sound insulation, high compressive strength and high thermal mass.

Evalast Background Aggregate Block specifications

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

Key data

Compressive Strength 7.3, 10.4, 17.5*, 22.5, 30 N/mm²
λ External 1.42 W/m.K
Notes *140mm width product not available in 17.5 N/mm² mean compressive strength
λ Internal 1.32 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)


Please send us your enquiry and we will contact you as soon as possible to discuss your project or requirements in greater detail.

Evalast Background Aggregate Block

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