ASTM-C549 › Complete Document History
Standard Specification for Perlite Loose Fill Insulation

Complete Current Edition:
   2023 EDITION - Standard Specification for Perlite Loose Fill Insulation - Dec. 13, 2023

Obsolete Revision Information:
   2018 EDITION - Perlite Loose Fill Insulation - Nov. 28, 2018
   2006 R12 EDITION - REAPPROVED IN 2012 - Aug. 1, 2012
   2006 EDITION - Standard Specification for Perlite Loose Fill Insulation - May 1, 2006
   2002 EDITION - Standard Specification for Perlite Loose Fill Insulation - June 10, 2002
   1981 R95(E1) EDITION - EDITORIALLY CORRECTED - May 1, 1995
   1981 EDITION - Standard Specification for Perlite Loose Fill Insulation - Oct. 30, 1981