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fire protection concealed spaces

Question asked by lukenda on Mar 23, 2017

Concerning NFPA 13,     Have wood truss floor & ceiling assembly 16" in a R2 building.  The building WILL be sprinklered.  Does the concealed space within the trusses need to be sprinklered?   Would it be able to filled with noncombustible insulation with a 2" air gap at the top of the space?    Thank you, Lawrence L. Lukenda, Fire Subcode Official, City of Linden, NJ.