Search
Recent ASTM E119 testing (using 100% design load conditions as required by that standard), conducted independently by Underwriters Laboratory (UL) and NGC Testing Services (NGC), confirm that an unprotected floor assembly constructed of 2x10s or Flak Jacket coated I-joists do not provide “equivalent performance” to a floor assembly that has a ½” gypsum wallboard membrane ceiling as prescribed by
General Design Information
-
National Design Specification for Wood Construction (NDS) 2015 Wood Design Package brings together all required elements for design of wood structures in one comprehensive set, including NDS for Wood Construction, 2015 Edition; NDS Supplement: Design Values for Wood Construction, 2015 Edition; and 2015 Special Design Provisions for Wind and Seismic (SDPWS) Standard.