Labels:crt screen | dialog box | hakham | monitor | plant | web site | windowpane OCR: Understanding the UL Fire Resistance Directories Batts and Blankets: Giass fiber insulation fitted in the concealed space draped over the resilient channels and gypsum wallboard ceiling membrane. Any glass fiber insulation bear ring the UL Classification Marking Surface Burning Characteristics and/or Fire Resistance having min density of 0.5 pcf. Loose Fill Material: an alternate Item any loose fill material bearing the UL Classification Marking for Surface Burning Characteristics, having min density of pcf and installed at a max thickness of 3-1/2 TI Duct: Any UL Class or Class flexible air duct installed in accordance with the instructions provided by the damper manu facturer. Prev Next
