American Gypsum’s ½” M-Bloc® Ekcel® Area Separation Firewall System No images? Click here M-Bloc® Ekcel® Area Separation Firewall System When compared to traditional gypsum area separation wall systems, the patented M-Bloc® Ekcel® Area Separation Firewall system uses up to 50% fewer H-Stud framing members and aluminum breakaway clips, yet offers 2-1/2 hours of fire protection (UL assembly V344) and extraordinary sound reduction between neighboring units in multi-family housing projects. This innovative lightweight system was developed to provide vertical fire protection up to 66’ in height, using four pieces of American Gypsum‘s 4’ wide, square edged 1/2” M-Bloc® Ekcel® Type X. |