Applications | Prompt Natural Cement

  • Sealings
  • Renovation work
  • Fixing
  • Blocking (in position)
  • Concrete Repairs
  • Stone Laying
  • Fast Setting Concrete
  • Cold-weather work
  • Rendering of old buildings
  • Decorative rendering on modern materials
  • Faithful restoration (19th century facades and decors)
  • Mouldings: prefabricated or jig-moulded
  • Repointing and repair of stonework
  • Consolidation of stone structures
  • Waterproofing of masonry works
  • Submerged works
  • Repairs to tanks and reservoirs
  • Leaks stopped
  • External works
  • Cofferdam construction
  • Wall insulation
  • Floor insulation
  • Roof insulation
  • Renders
  • Hemp blocks
  • Permeable slabs


Prompt is a very fast setting material, however it’s set can be adjusted using TEMPO. TEMPO is specially designed to adjust the setting time of Prompt Natural Cement to the working pace of the professional. The set of Prompt is also affected by the ambient temperature; the warmer it is the faster the mortar will set. TEMPO is easy to use, comes in an 80g bottle and a full bottle is a suitable quantity for a full bag of Prompt.

Setting time = Speed
Temperature of the mortar 10°C 20°C 30°C
Setting time without TEMPO 4 Minutes 2 Minutes 1 Minutes
Setting time with the TEMPO Dose 30 Minutes 15 Minutes 10 Minutes