Dual Glazed Fixed Window - STC 53
Maximum Fire Rating:1.5 hrs
Glass Seal:Conventional Neoprene Glazing
Glass Description:Acousta-Pane 361/4 in thick laminated glassAcousta-Pane 383/8 in thick laminated glass
Unit can be UL Fire Labeled and remain acoustically certified when it is glazed with one pane of Acousta-Pane 36, 1/4" laminated glass and one pane of up to 5/16" thick UL listed glass such as FireLitebrand Ceramic glass.