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HeidelbergCement in the United Kingdom

Thermalite® Party Wall


Party Wall is a lightweight concrete block that gives very high levels of sound reduction in separating walls between buildings.

  • Suitable for both cavity and solid wall constructions
  • Available in large format
  • For use with Thermalite® Thin Layer Mortar

Working dimensions
Face dimensions (mm) 440 x 215, 440 x 430*

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

Thickness (mm)    100   215 
Weight** (kg)  6.4  13.8 

Properties
Mean compressive strength not less than 4.0N/mm²

Designed thermal conductivity (λ) 0.16W/mK

Specified gross dry density 660kg/m³

* Manufactured to special order only 
** Block weights are calculated using specified gross dry density, with a moisture content of 3% by weight added to provide the equilibrium value.

Quicklinks
Achieving the code with Thermalite®