A Hardiflex screw, also known as a fiber cement screw or cement board screw, is a type of specialized screw designed for fastening fiber cement boards like Hardiflex to structural framing members. Hardiflex is a brand of fiber cement board commonly used in construction for its durability, strength, and resistance to moisture, rot, and fire.
These screws are essential for securing fiber cement boards to wood or metal framing during the installation of walls, ceilings, and exteriors in both residential and commercial construction.