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Stalite is the world’s leading manufacturer of expanded slate lightweight aggregate. For over 50 years Stalite has supplied the concrete industry with quality lightweight aggregate. The Stalite Horticulture Division, Stalite-PermaTill, was established in 1992 and has since positioned our company as the leading supplier of lightweight aggregate to the green industry. In 2014, Stalite-Permatill was rebranded as Stalite environmental to better highlight its serviceability in all environmental aspects.