CEMCO FAS Track 1000 DL is a deflection track with 1/2" Intumescent Tape that offers fire and air (smoke) protection. The section 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 20 gauge (33 mils) with a minimum G40 coating complying with ASTM A924, and18 gauge (43 mils) with a minimum G60 coating complying with ASTM A924; and Grade 50 Type H for 50 ksi yield strength steel for 16 gauge (54 mils) with a minimum G60 coating complying with ASTM A924. CEMCO FAS Track 1000 DL has been tested with Underwritten Laboratories in accordance with UL 2079.