Prompt Cement

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Prompt Cement

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Prompt is a natural cement, mined and manufactured in Grenoble in France. It is burned at similar temperature to lime and contains nothing more than what is dug from the earth. Natural cement has been produced using the same method for over 150 years and works well with heavy aggregates, bio-sourced aggregates and when blended with limes.

Every effort has been made to ensure the accuracy of the colour and texture of products on this website but due to the limitations of technology, we strongly recommend that sample products are purchased for testing in situ prior to the full order being placed.

Prompt Cement - 25kg bags

£19.80 (Excl. VAT)
Description

Details

Prompt is a natural cement, mined and manufactured in Grenoble in France. It is burned at similar temperature to lime and contains nothing more than what is dug from the earth. Natural cement has been produced using the same method for over 150 years and works well with heavy aggregates, bio-sourced aggregates and when blended with limes.

Prompt has been in use continuously since the 1850's. It is a very simple material with some complex characteristics, manufactured from Argillaceous Limestone (Limestone containing some clays). It is simply mined, fired (at much lower temperatures than ordinary cement) and milled. Nothing is added to it, nothing is taken away.

Having been in use for over a hundred and fifty years it has been tested and proven well beyond the abilities of Ordinary Portland Cement.

Technical Documents
View FilePrompt - Technical Document    Size: (1.47 MB)
Benefits
  • Extremely fast set, which is controllable with TEMPO
  • Waterproof and sets under water
  • Good resistance to contact with the sea water
  • Low shrinkage
  • Fully controllable setting time, from 90 seconds to 90 minutes
  • Beige colour develops on exposure to sunlight
  • Completely natural
  • Good resistance to aggressive environments
  • No additions whatsoever
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