BACKER-ON® ROCK-ON® Cement Board Screw
BACKER-ON® ROCK-ON® cement board screws are the premier fastening solutions for installing cement boards. The patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile installation. The star drive recess combined with Stikfit bit supports easy one-handed installations and eliminates cam outs. The premium corrosion resistant finish prevents rust from bleeding into grout, making Backer-On Rock-On screws the perfect choice for use in high moisture areas such as bathrooms and kitchens.
As low as $13.99
each
- Flush seating in all cement board when angle driven
- Ability to attach close to edge in all cement boards without fractures or blowouts
- Stikfit™ recess for one-handed driving, while eliminating cam-outs and wobbling
- Premium corrosion-resistant finish to prevent rust from bleeding into grout
| Type | Cement Board Screw |
|---|---|
| Size | #9 |
| Length | 1-1/4 in. |
| Drive Type | Star T-25 |
| Brand | BACKER-ON ROCK-ON |
| Material | Steel |
| Pack Size | 185 Count |
| Manufacturer Code | 23500 |
Application:
- Countertop Installation - 54 Screws/Board
Fasten cement board with Backer-On/Rock-On screws every 8 in. over the entire surface. Keep screws between 3/8 in. and 3/4 in from board edges and 2 in. from board corners.
- Floor Installation - 48 Screws/Board
Fasten cement board with Backer-On/Rock-On screws every 8 in. over the entire surface. Keep screws between 3/8 in. and 3/4 in from board edges and 2 in. from board corners.
- Wall Installation - 26 Screws/Board
Fasten cement board with Backer-On/Rock-On scews a maximum of 8 in. on center at all supports. Keep fasteners 3/8 in. from board edges and 2 in. from sheet corners.
- Ceiling Installation - 30 Screws/Board
Fasten cement board with Backer-On/Rock-On scews a maximum of 6 in. on center at all supports. Keep fasteners 3/8 in. from board edges and 2 in. from sheet corners.
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