Fire Rated Systems

CLARKDIETRICH Area Separation Wall FIRE-RATED INFORMATION

2 Hour Design Assembly:
Intertek Fire-Rated Design - 2 Hours, Non-Bearing Symmetrical Area Separation Wall - LISTING INFORMATION of ClarkDietrich Steel 'H' Stud and 'U' Track Fire-resistance-rated Area Separation Wall Assemblies (9/7/16)

3 Hour Design Assemblies:
UL Design No. W454 (National Gypsum Co.)
(2) Layers of 1” thick gypsum board liner panels fit into H-Studs w/ (1) layer of 5/8” thick gypsum board on each side of wall assembly. Standard 2-1/2” long Aluminum Breakaway Clips can be used to secure assembly.

GA File No. ASW 2600 (USG)
(2) Layers of 1” thick gypsum board liner panels fit into H-Studs w/ 2” mineral fiber insulation on each side of wall assembly. Extra-long  4” Aluminum Breakaway Clips will need to be used secure assembly allowing for the 2” mineral insulation standoff.

Reference design assemblies and gypsum board manufacturer for details of the wall system.