UL-2561 › Standard for 1400 Degree Fahrenheit Factory-Built Chimneys
Included in this current edition are the following subparts:
2ND EDITION - Jan. 22, 2016
CHANGE 04/18 - April 19, 2018
CHANGE 10/20 - Oct. 20, 2022
CHANGE 04/18 - April 19, 2018
CHANGE 10/20 - Oct. 20, 2022
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Document Number
UL-2561
Revision Level
2ND EDITION
Status
Current
Publication Date
Jan. 22, 2016
Page Count
50 pages