73685632
Sep 18, 1987
Nov 29, 1988
FIRE-RATED EXPANSION JOINT SYSTEMS FOR IMPEDING THE SPREAD OF FIRE THROUGH AN EXPENSION JOINT IN A BUILDING OR OTHER STRUCTURE, COMPRISING A RIGID OR FLEXIBLE FIRE-RESISTIVE MEMBRANE OR SHIELD MOUNTABLE OVER OR WITHIN THE EXPANSION JOINT, USED WITH OR WITHOUT A SEPARATE JOINT COVER
Rubber Goods