What size screws do I use for 1/2 inch cement board?

DUROCK Steel Screws, 32 mm (1-1/4) long, are used for applying 12.7 mm (1/2) DUROCK Cement Board to walls or ceilings.

How many screws do I need for a 3×5 durock?

Fasten the DUROCK Brand Cement Board with 1-1/4 hot-dipped galvanized roofing nails or 1-1/4 DUROCK Brand Screws. In both directions, the floor must be at least 1/3.

Can I use Sheetrock screws for durock?

Therefore, drywall screws or nails will not work for cement boards. The fasteners designed for use with drywall do not feature the corrosion- and alkali-resistant coating that enables the cement board or galvanized fasteners to last.

Do you need special screws for cement board?

To attach the cement board to the studs, you’ll need special 1-1/4 in. cement board screws (see Fig. B). These screws have a coating to resist corrosion, a special wide head with cutting flutes and hi-low threads for a strong grip. If you can’t find them at a home center, call tile specialty stores.

Can you use backer on screws for durock?

Backer-On® cement screws are designed for attaching Hardie-Backer® cement board and Rock-On® cement board screws are designed for attaching Durock® cement board to wood or light gauge steel studs. Patented design and ANSI compliant making these perfect for use in high moisture areas such as bathrooms and kitchen.

How many screws are in a sheet of durock?

Floor Protectors Apply 1/8 to 1/4 thick latex- fortified portland cement to solid surface—never on top of carpeting or padding. Fasten DUROCK Brand Cement Board with 1-1/4 hot-dipped galvanized roofing nails or 1-1/4 DUROCK Brand Screws, spaced 8 o.c. in both directions, penetrating floor a minimum of 3/4.

Can I use Hardibacker screws on durock?

Can I use backer on screws on durock?

Can I use Sheetrock screws on cement board?

You don’t want to use regular drywall screws for cement boards. They can corrode, they can break down the edges of the boards, and they won’t drive in flush properly.

Can Rock on screws be used with treated lumber?

Rock-On is recommended for ACQ treated wood. Gimlet points starts easily – no predrilling. Serrated thread design provides reduced installation torque and superior holding power.

What are the best screws for cement board?

Cement board attached to plywood or similar underlayment will hold with only 1 1/4-inch screws; for thick or heavy metal fixtures, use 1 5/8-inch screws.

What size is Durock?

Durock is manufactured in sheets with a thickness of anywhere from 1/4 to 5/8 inch, a width of 32, 36 or 38 inches and a length between 4 and 10 feet.

What is a cement board screw?

Cement board screws are essential for construction professionals. They are used to attach high-density sheathing and cement board to walls and flooring. Cement board drywall screws are designed to blend well with the cement board itself, and to offer countersinking and reduction of pulling through and stripping out.