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. How many screws do you need for Hardie board? via
What screws to use with 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. via
What type of screws do you 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. via
Can you screw into Hardie backer board?
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. via
Do you need special screws for Hardibacker?
Backer-On 1-1/4 in. Cement Board Screws are designed for attaching HardieBacker or equivalent fiber cement backerboard to wood or light gauge steel studs. Backer-On's patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile. via
Can I use durock screws on Hardibacker?
Q: Can Rock-On and Backer-On screws be used on Hardiplank? No, Rock-On and Backer-On screws are not approved for exterior applications. via
Does concrete board need special screws?
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. via
Are drywall screws OK for 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. via
Do I need vapor barrier behind Hardibacker?
Hardibacker doesn't need a vapor barrier or waterproofing except you do need to tape and thinset the joints. via
Can I just screw down cement board?
Screw and Joints
Do not use drywall screws as they are not recommended to be used to hold the backer board in place. All of your backer board pieces should be cut before they are placed on the floor. It is important to highlight that screws shall not be installed all the way down to the floor joists. via
How do you attach things to Hardie board?
Generally speaking, items can be attached to Hardie® siding by using either corrosion resistant nails or screws. The fasteners must be long enough to go through the siding and into wood or metal substrate (e.g. sheathing or studs). via
How do you fasten Hardie backer board? (video)
Does Hardie board need plywood backing?
Fiber cement siding should be installed over plywood, OSB, or sheathing. Be sure that the siding installed is dry. Building codes will usually require installing siding over water-resistant barriers and nailed into the studs every 16 or 24 inches. via
Does Hardie board need to be waterproofed?
Hardiebacker (James Hardie): the use of a waterproof membrane, vapor barrier or vapor. retarding membrane is optional unless the local building code requires it. via
How long can Hardie board go unpainted?
Pre-primed products can sit for 6 months without paint. Unprimed hardie can sit for 3 months without paint. via
Which is better durock or Hardibacker?
Durock is too abrasive and can damage vinyl, porcelain, and enamel. HardieBacker does not contain any course materials, so it is the preferable choice. It has a warranty that extends over the use of vinyl tile applications. Durock does not. via
How many screws do you need for backer board?
Screw the backerboard to the sublfloor with 1 1/4-inch backerboard screws. Screw the backerboard approximately every 8 inches or at the locations marked on the sheet by the manufacturer. Stay at least 3/8 inch away from edges and corners to prevent splitting. via
Can I use deck screws for cement board?
Weight on the wallboard (Hardi) isn't the issue with using the proper screws. The screws should be alkali resistant, galvanized deck screws don't qualify. The issue is corrosion from the cement products. via
How do you screw into concrete board? (video)
Do you have to tape Hardibacker joints?
For tile backer boards such as Durock, Wonderboard, Hardiebacker, Permabase, and others the seams between the board need to be treated with 2-inch alkali-resistant mesh tape. Then a coat of thinset gets flat troweled over the seam. What this does is tie the two boards together and help prevent flexing. via
Is cement board easy to cut?
The simplest way to cut cement backer board is to score the surface and snap the sheet along the scored line, similar to the way you'd cut drywall. In fact, you can use a drywall utility knife to score backer board, but a better option is a carbide-tipped scoring tool. via
How do you attach cement board to a wall? (video)
Do I need Thinset under Hardibacker?
It will make an enormous mess under the house (or whatever is under your bathroom). It is also more likely to make the floor uneven since it is hard to level thinset that is separated by gaps. The installation manual for HardieBacker suggests to embed it in thin-set and it should be installed over plywood. via
Do I need to seal cement board before tiling?
Contrary to popular thought, tile and grout are not waterproof, and some moisture will penetrate even if sealant is used. However, if you choose to use concrete backerboard, which is much stronger and more durable than gypsum board, a water vapor membrane must be placed underneath it or a sealant applied on top of it. via
What is the best backer board for a shower?
Cement board is a good, reliable backer board that works well on both floors and walls. Keep in mind that most tile setters err on the side of caution and brush a waterproofing membrane on top of cement board when it is in wet areas like showers or tub surrounds. via
What do you do with a gap between tub and cement board?
Caulk the gap
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. via
Is cement board stronger than plywood?
Cement backerboard is more stable than plywood in high humidity and other wet environments. It won't swell and buckle the way that plywood does, so it's safe to use in mudrooms and bathrooms where things like spills and puddles are normal, as well as in areas with high levels of moisture in the air. via
How thick should cement board be for shower walls?
The minimum recommended thickness for the shower wall is 1/2″ because like some of the other boards, they become far too flexible at thicknesses below 1/2″. Foam shower tile backer boards are generally about 4x the cost of cement board. via
Can you pressure wash HardiPlank?
Don't use a high-pressure power washer to get the job done, as it turns out a low-pressure hose and a soft medium bristle (nonmetal) brush is the best way to remove dirt and debris from James Hardie® siding and trim. via
Can you use a nail gun on Hardie board?
Fiberboard cement siding can be hand-nailed, but because it's so much harder and more brittle than wood, you have to predrill holes near any edge. You can save yourself a bunch of time by using a pneumatic coil siding nail gun. Don't drive nails into the siding at an angle. via
Do you need anchors in Hardie board?
Hardiplank is a cement board. Use a masonry drill bit since it is cement based. Use Tapcon screws especially for the flag holder. No anchors needed. via