When floor assemblies are specified for fire or sound rating, the assembly may call out either resilient channel, furring channel or hat channel at a given on-center spacing. This guide addresses how lateral restraint/bracing requirements may be met when the gypsum sheathing is not directly attached to the bottom chord. 

Use of Resilient Channel or Hat Channel to Meet the Lateral Restraint/Bracing Requirements of the Bottom Chords of Wood Truss Floor Systems

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