This standard specifies a test method for measuring fire resistance performance when heating the lower surface of a non-load-bearing ceiling. This standard applies to the evaluation of ceilings that are directly fixed or suspended from a support frame or superstructure, as well as free-standing ceilings.
KS F 2257-9-2013 history
2023KS F 2257-9-2023 Method of fire resistance test for elements of building construction ― Specific requirements for non-loadbearing ceiling elements
0000 KS F 2257-9-2013(2018)
2013KS F 2257-9-2013 Method of fire resistance test for elements of building construction ― Specific requirements for non-loadbearing ceiling elements
2008KS F 2257-9-2008 Methods of fire resistance test for elements of building construction-Specific requirements for non-loadbearing ceiling elements