ASTM-C1858 › Complete Document History
Standard Practice for Design, Construction, and Material Requirements for Direct Hung Suspended T-bar Type Ceiling Systems Intended to Receive Gypsum Panel Products in Areas Subject to Earthquake Ground Motions

Complete Current Edition:
   2017A R21 EDITION - REAPPROVED IN 2021 - Dec. 8, 2021

Obsolete Revision Information:
   2017A EDITION - Design, Construction, and Material Requirements for Direct Hung Suspended T-bar Type Ceiling Systems Intended to Receive Gypsum Panel Products in Areas Subject to Earthquake Ground Motions - Nov. 1, 2017
   2017 EDITION - Design, Construction, and Material Requirements for Direct H - June 1, 2017