Fenlite 1500 Background Aggregate Block

Fenlite 1500 Background Aggregate Blocks are medium density 1,500kg/m3 blocks suitable for use in the majority of standard applications both above and below ground. Their performance makes them suitable for general load bearing, sound insulation, internal partitions and where ease of handling is important.


  • High strength
  • Excellent sound insulation
  • Easy to handle
  • Can be recycled after use
  • BES 6001 Responsible Sourcing certification

Key Data

Compressive Strength: 3.6, 7.3, 10.4 N/mm²

λ Internal: 0.48 W/m.K

λ External: 0.52 W/m.K

Dry Density: 1500 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 14.2kg
215mm 440mm 140mm 19.9kg

Cavity Walls
Solid Walls
Separating Walls
Beam & Block Floors

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Conbloc Guide

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