UL-2218 › Complete Document History
Standard for Impact Resistance of Prepared Roof Covering Materials

Complete Current Edition:
   2ND EDITION - Standard for Impact Resistance of Prepared Roof Covering Mat - Jan. 25, 2010
   CHANGE 05/12 - REVISION CHANGE - CODE A - May 1, 2012
   CHANGE 01/18 - REVISION CHANGE - CODE A - Jan. 12, 2018
   CHANGE 08/20 - REVISION CHANGE - CODE A - Aug. 10, 2020
   CHANGE 11/22 - REVISION CHANGE - CODE A - Nov. 29, 2022

Obsolete Revision Information:
   CHANGE 01/02 - REVISION CHANGE - CODE A - Jan. 25, 2002
   1ST EDITION - Impact Resistance of Prepared Roof Covering Materials - May 31, 1996