BOSTIK WATERPROOFER AND RETARDER 

5 LITRE TUB

MORTAR ADDATIVE

Bostik "waterproofing and retarding agent" is a thixotropic pigmented liquid which makes it possible to waterproof, retard and plasticize cement-based mixtures thanks to its air-entraining function. Alkaline fatty acid mixture without chloride, it allows the use of mortar despite the risk of rain and prevents the resumption of humidity during the setting phase of the mixture on large surfaces.

With its setting retarder function, it is ideal for working on large surfaces

Reduces the porosity of mortars and concretes

Improves workability of mixtures