Welcome to the Expanded Shale, Clay, and Slate Lightweight Aggregate Industry

ESCSI is the international trade association for manufacturers

of rotary kiln-produced expand­ed shale, expanded clay and expanded slate lightweight aggregate. ESCSI promotes the exten­sive use of rotary kiln-produced lightweight aggregate in the lightweight concrete masonry and structural lightweight concrete markets, as well as use in asphalt, geotechnical and other appli­cations. Based on research and development, educational material is disseminated to all phas­es of the building industry. The association works closely with other technical organizations, ACI, ASTM, etc. to maintain product quality, life-safety and professional integrity throughout the construction industry and related building code bodies.


Click here to view Lightweight Design eNews Reference Manual Button