Setting and quick hardening
The exceptional quick setting and hardening of prompt cement enable to deliver a ready to use building or structure.
Prompt natural cement
Basic properties
Bonding
Because of its fineness, Prompt natural cement adheres well to any type of construction material. The material must be damp, so that it doesn’t absorb the water from the mortar, which would compromise the strength gain and bonding of the Prompt natural cement mortar.
Durability
The originality of the mineralogical composition of Prompt natural cement is due to low-temperature firing (600 to 1,200°C) of marl.
Permeability to water vapour
Natural prompt cement, used at the same dosage than lime, has similar properties, thanks to its porosity, water absorption, elasticity modulus and permeability to vapor, as well as reduced shrinkage. As part of the Roman Cement family, it features all the right characteristics to repair XIXth Century façades.