the international trade association for manufacturers ofROTARY KILN-PRODUCED EXPANDED SHALE, CLAY AND SLATE LIGHTWEIGHT AGGREGATE
the international trade association for manufacturers ofROTARY KILN-PRODUCED EXPANDED SHALE, CLAY AND SLATE LIGHTWEIGHT AGGREGATE
the international trade association for manufacturers ofROTARY KILN-PRODUCED EXPANDED SHALE, CLAY AND SLATE LIGHTWEIGHT AGGREGATE
the international trade association for manufacturers ofROTARY KILN-PRODUCED EXPANDED SHALE, CLAY AND SLATE LIGHTWEIGHT AGGREGATE
the international trade association for manufacturers ofROTARY KILN-PRODUCED EXPANDED SHALE, CLAY AND SLATE LIGHTWEIGHT AGGREGATE
the international trade association for manufacturers ofROTARY KILN-PRODUCED EXPANDED SHALE, CLAY AND SLATE LIGHTWEIGHT AGGREGATE
the international trade association for manufacturers ofROTARY KILN-PRODUCED EXPANDED SHALE, CLAY AND SLATE LIGHTWEIGHT AGGREGATE

Join us at the ESCSI Mid-year Meeting from April 29-May 1 at the Hilton Denver City Center
Book your stay by April 17 to lock in the ESCSI group rate.

Product applications

The superior qualities of expanded shale, clay and slate lightweight aggregate are effective and economical in many applications.

news

January 21, 2026/ New report release

We’re thrilled to announce that the Expanded Shale, Clay and Slate Institute (hashtag#ESCSI) will be featured in the Exhibition Hall at the hashtag#TRB Annual Meeting 2026. ... read more

October 23, 2025/ ESCSI News

ESCSI John Ries Scholarship Application 2025-26

🎓 Calling All Civil Engineering Students! 🚧 The Expanded Shale, Clay, and Slate Institute (ESCSI) is proud to announce the John Ries Scholarship for the 2025–26 academi... read more

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events

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member map

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technical docs

ESCS Applications and Uses

Gives a general overview of the many uses for ESCS.
'A World of Applications.....Worldwide'

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