DESCRIPTION
A lightweight aggregate block. Work size 100mm x 215mm x 440mm – the standard 4" block for single leaf walls and the inner leaf of cavity wall construction. This block can also be used as a flooring block and beam flooring systems.

LOADBEARING STRENGTH
3.5N/mm² and 7.0N/mm² minimum compressive strengths. (for additional strengths please contact sales)

THERMAL RESISTANCE
0.250W/m° C. This block meets ‘U’ values of 0.45W/m²°C for cavity walling when combined with other materials.

DENSITY
Average dry density 1360Kg/m³ at 3% moisture 1500Kg/m³.

ACOUSTICS
Absorption coefficient range from low & high frequency 0.20 – 0.50 exposed.

FIRE RESISTANCE
Unplastered 2 hours.
Vg finish 4 hours. 

A TYPICAL METHOD OF ACHIEVING A ‘U’ VALVE FROM 0.45-0.6 W/m²°C

WEIGHT PER BLOCK 13Kg

BLOCKS PER PACK 88 No.

PACKS PER LOAD
14 equal to 123.2m² (rigid)
15 equal to 132.0m² (artic)

BLOCKWORK 10 blocks per square metre.