#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.



ASTM & Code Standards:


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

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