Sage-Tips

What size screws should I use 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. In general, 1 1/2-inch galvanized nails will hold the board firmly in place.

Are there 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.

What screws do you use for Hardibacker?

What type of fastener do you recommend for floor and wall applications of HardieBacker® cement board? In compliance with the tile industry, James Hardie recommends 1-1/4” long galvanized or stainless steel roofing nails (0.121” shank x 3/8” HD) or 1-1/4” long corrosion resistant ribbed waferhead screws (No.

Do you use regular drywall 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. Use ITW’s ROCK-ON and BACKER-ON screws instead.

Can I use deck screws for cement board?

I think the screw will care. I don’t install cement board for a living, but from talking with people/professionals who do, the proper screws should be used. You can’t just use any screw or they will corrode in that application, and Ive seen badly corroded screws from using incorrect ones. Definitely not drywall screws.

Do you need special screws for HardieBacker?

Fasten HardieBacker cement board with specified nails or screws (as listed in “Materials Required”) every 8 in over the entire surface. Keep fasteners between 3/8 in and 3/4 in from board edges and 2 in from board corners. Prior to setting the tile, fill all joints with the same mortar used to set the tiles.

What kind of screws do you use for durock?

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. D. DUROCK Steel Screws, 42 mm (1-5/8) long, are used for applying 15.9 mm (5/8) DUROCK Cement Board to walls or ceilings.

Can I use Tapcon screws for cement board?

Use a mechanical fastener where necessary to secure the panel to the wall. Use any of the nine recessed attachment points located on the face of the attachment studs. Tapcon able to fasten material 1-3/4″ – 2-1/4″thick. Either length fastener will work to fasten our 2″ thick stud to concrete.

Can I use durock screws on Hardibacker?

Designed for use with HardieBacker® Cement Board and USG Durock® Brand Cement Board, the latest screws feature a premium corrosion resistant finish and help prevent moisture buildup in kitchens and bathrooms.

What do you do with a gap between tub and cement board?

Ideally, you would leave a 1/8 inch gap which would then have the sealant applied to it. Either stopping the cement board above the tub flange or alternately shimming it out and dropping it down near the tub would both be good options.

What is the best glue for cement?

For real precision jobs, the best adhesive on concrete is a 100 percent silicone caulk. For example, if you need to stick a ceramic kitchen sink into a concrete countertop, the caulk will stick the two substances together well and look good on your work surface.

What are the best screws for melamine board?

Centerpunch the screw location to locate the drill or screw and to keep from walking off line. For best retention, use course-threaded wood screws with a very slim body (drywall screws or similar). Without a pilot hole, insertion of the screw will result in bulging and blistering of the Melamine finish around the hole.

How to install masonry screws in concrete?

Drill the Hole. The hole in the masonry should be drilled by use of a hammer drill that is set in the hammer and rotation mode.

Hole Preparation. Once the hole is drilled,it must be cleaned of all dust and debris.

Type of Masonry Bit.

Diameter of Bit.

Length of Bit.

Depth of Embedment.

Base Material.

Length of Screw.

Head Style.

How do you fasten cement board siding?

Fastening Siding. Fiber cement siding can be nailed by hand or with a pneumatic nailer. It can also be attached using corrosion resistant screws. Use hot-dipped galvanized or stainless steel nails. Nails should penetrate through the sheathing and at least 1” into studs. Position nails ¾” to 1” from the edge of the siding.