Description:

Natural sodium bentonite with a high content of montmorillonite, high swelling capacity, high water absorption capacityMapeproof Seal is a natural sodium bentonite powder with a high content of montmorillonite, characterised by its high swelling capacity, high water absorption capacity and long-lasting, high chemical stability. When completely hydrated, Mapeproof Seal forms a high-density gel with low permeability to fluids, which is used as a complementary element when applying Mapeproof bentonite waterproofing systems. Mapeproof Seal is applied dry on horizontal surfaces.