UL Classified Resilmount sound isolation clip for use in a 1 hour assembly with 1 layer of 5/8" Drywall. This UL Classification adds to our long list of Fire testing already conducted with Warnock Hersey. Well suited for use in Apartments, Condominiums and many more applications in Sound Control. This rating enables RESILMOUNT to be used in many Fire Rated Acoustic applications for sound proofing walls and ceilings. Please contact us with your Project and we will assist you in choosing the right assembly for the specified requirement in fire rating of sound isolation assemblies.