Screws designed for attaching tile backer boards to floors, walls, ceilings and countertops to wood or light-gauge steel framing. For use with HardieBacker®, Durock®, WonderBoard® and other tile back boards.
FEATURES
Patented drive eliminates cam-outs and wobble during installation
Serrated ribs under head provide flush finish
Cross-Cut knurl grinds cement board and reduces cracking and
mushrooming defects
High-low thread grips material
Conforms to ANSI A108.11 standards for cement board installation
INSTALLATION
CMNTFAST screws should be installed using an impact driver or variable RPM power driver
Predrilling is not required
For plywood – Screw must penetrate past plywood
For metal – Screw must penetrate at least 3/8″ past metal.
HardieBacker®, Durock® & WonderBoard® are all registered trademarks of their respective companies.






