Skip to main content


#XJ15 Zinc Double-J Control Joint

Corrosion resistant Expanded flange control joint with a taped reveal

#XJ15 Expanded Flange Control Joint (Double-J) is used to relieve stresses in large plastered areas of walls, ceilings, and stucco areas when the highest degree of corrosion resistance is required. The Double-J has a taped, 5/16” reveal and rolled outer edges to prevent visible separation cracking. This expanded wing control joint minimizes cracking and assures proper plaster and stucco thickness. The applied plastic tape keeps the reveal clean and is removed easily after the finish application.

Application(s): Stucco

The #XJ15 enables plaster to key into the return lip to eliminate shrinkage separation, a preferred finish feature. The joint is taped, preventing stucco from getting caught inside during installation and providing a neatly finished job upon completion.

  • The #XJ15 Double-J Control Joint is also available in galvanized steel for instances when increased corrosion resistance is not required.


Code Approvals & Performance Standards

  • ASTM B69 Standard Specification for Rolled Zinc
  • ASTM C1063 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster
  • ASTM C1861 Standard Specification for Lathing and Furring Accessories, and Fasteners, for Interior and Exterior Portland Cement-Based Plaster
  • SDS Zinc Strip Cold Formed Finished Products

PRoduct submittal SHeets

Click the below Product Code to view Submittal/Tech Datasheet.

Product Code Description
ZJ15 #XJ15 Zinc Double-J Control Joint

ClarkDietrich SubmittalPro®

Submittal sheets for the exact product you're looking for can be created by using ClarkDietrich's SubmittalPro® Product Submittal System.