Mandoval Vermiculite is the leader in the supply of raw and exfoliated vermiculite in South Africa for over 50 years. Vermiculite is a member of the Phyllosilicate group of minerals, resembling mica in appearance. It is very versatile and can be used as a growing medium, a safe alternative from asbestos in friction lining products, a loose fill insulation material in roofs and expands to many other uses.At Mandoval we are committed to establishing market opportunities for Vermiculite usages in South Africa and abroad.Fire Retardant Coatings play an important part in maintaining structural stability in buildings and prevention of toxic gases and flame spread in combustible materials such as cables and plastic pipes. Mandoval Vermiculites passive fire protection products includes fire stopping seals, coatings for structural steel and Fireboards