Used in conjunction with a 2-inch 3M™ Fire Barrier Cast-In Device. Increases the height of allowable concrete thicknesses by 4 in. (101.6 mm) for installations requiring up to 12 in. (304.8 mm) pour depths.
Accommodates both metallic and non-metallic models of 3M™ Fire Barrier Cast-In Device. Height adapter snaps easily onto device, device is then secured to metal deck (see system details for installation guidelines).