XJ15 Double-J Control Joint
#XJ15 Expanded Flange Control Joint (Double-J) is used to relieve stresses in large plastered areas of walls, ceilings and stucco areas. This expanded wing control joint minimizes cracking and assures proper plaster and stucco thickness. The #XJ15 enables plaster to key into the return lip to eliminate shrinkage separation, a preferred finish feature. Clean-up tape provided for a neatly finished job, upon completion.