ASTM-C1050 › Complete Document History
Standard Specification for Rigid Cellular Polystyrene-Cellulosic Fiber Composite Roof Insulation (Withdrawn 1999)


Obsolete Revision Information:
   WITHDRAWN - WITHDRAWN WITHOUT SUPERSEDING DOCUMENT - Jan. 1, 2021
   1991 EDITION - DISCONTINUED IN 1999 - March 15, 1991
   1985 EDITION - Rigid Cellular Polystyrene-Cellulosic Fiber Composite Roof I - Nov. 29, 1985