Deflection Drift Angle (DDA-1)

Deflection Drift Angle (DDA-1)

CEMCO Deflection Drift Angle (DDA-1) is a composite steel angle with intumescent tape factory applied to the inside leg of the steel angle, the CEMCO DDA-1 is a fire-rated accessory that when combined with the Slotted Track or J-Runner track will offer unencumbered movement at the head-of-wall joint in accordance with the UL-2079 “Test for Fire Resistance of Building Joint Systems”. The 1-1/4 inch outside leg is manufactured in red and labeled for proper identification, and provides up to 1″ overall dynamic movement.