XJ #15 Double J Taped Control Joint
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American Building Industries XJ #15 Double J Control Joint Expansion Control Joints are made from galvanized materials and designed to relieve stress from thermal movement and initial shrinkage in large plaster wall and ceiling projects.

The unique back to back ”J” design allows plaster to key to the galvanized material of the control joint. The expanded metal flanges also ensure proper key to the plaster or stucco. The Expansion Control Joints are pre-taped to keep the joint free of plaster and stucco. The tape is removed after the finish coat has been applied.

This product is manufactured by WEIFA EML in the PRC utilizing galvanized steel and distributed by ABI. Please consult your local representative for more information.

Customer & Technical Services: (951) 685-1538

Sales Questions: (951) 903-3090


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“Keys” or “Keying” refers to the bond created between the plaster and the expanded metal lath.