Inverted 1/2" (13 mm) expansion joint. 1/16" (2 mm) finish top with removable tape. Depth of V groove is 3/8" (10 mm)
Flexible control joint for use in wall and ceiling design to control movement. Has removable tape to protect the 3/8" (10 mm) depth "V" groove during installation. Flanges have holes to ensure positive bond of drywall mud to surface of board. Has built-in 1/l6" (2 mm) stops to ensure proper drywall thickness. Flanges are placed on top of two separated sheets of sheathing with "V" groove placed between separated board.