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Masterlite® Ultra

Masterlite Ultra
1 of 1 | Masterlite Ultra

A low weight concrete building block designed for thermal efficiency and manual handling considerations.

  • A range of lightweight, robust, load bearing units manufactured using Class 1 aggregate for fire resistance
  • Provides an excellent key for plastering and rendering
  • Masterlite Ultra was developed specifically to be used as a one handed lift


  • Suitable for use above and below dpc internally and above dpc externally.
  • These units are not tested for transverse loading and as such, are NOT suitable for beam & block flooring
  • Masterlite Ultra blocks cannot be used in party walls and are restricted for use in flanking wall types E-WM-2, E-WM-4 & E-WM-11 (Medium density) when using Robust Details
  • Standard – Suitable for locations where the surface will not be seen, i.e. plastered or rendered.

Technical Data Sheets

Masterblock technical manual

  • Masterblock technical manual

Masterlite® Ultra

  • Masterlite® Ultra

NBS Data

F10 - 355 Concrete blocks Masterblock Masterlite Ultra
  • F10 - 355 Concrete blocks Masterblock Masterlite Ultra
CE logo

CE marking information is available for our construction products which are manufactured to a harmonised European standard. View and download the relevant CE marking documentation.

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Masterblock: Concrete block portfolio

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