4 in. x 150 ft. Durock® Brand Exterior Cement Board Joint Tape | DUROCKT4

Strong, long-lasting glass-fiber tape that provides high-quality joint reinforcement indoors and out. Made from alkali-resistant, polymer-coated glass-fiber mesh, the tape is crack-resistant and can ensure the job gets done right the first time.

• Alkali-resistant glass-fiber construction
• Reinforces joints and corners of cement board in exterior substrate applications and interior tile or thin-brick applications
• Reinforces joints and corners of USG Fiberock® Panels in exterior tile applications
• Sizes for interior (2-inch wide) and exterior (4-inch wide) joint reinforcement