FAS Vertical Drift Joint
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FAS Vertical Drift Joint
CEMCO’s FAS Vertical Drift Joint (VDJ) is a composite steel/intumescent corner bead with 2 layers of factory applied intumescent tape applied to the longer leg of the accessory. The intumescent strips work as a compression gasket to prevent the passage fire, smoke and sound between the metal stud drywall panels and the panel and or drywall encased around the aluminum window mullion. The FAS Vertical Drift Joint (VDJ) is tested and certified with UL according to UL-2079 and will provide unencumbered drift and vertical movement between the adjoining wall panels. The profile is fabricated from hot-dipped galvanized steel complying with ASTM A653, and ASTM A1003 Grade 33 Type H for 33 ksi yield strength steel for 18 mil thickness.