Quick Answer: What Do You Cut Cement Board With?

Can you use cement board in a shower?

In showers, the standard substrate is tile backer, also called cement board or cement backer board.

Ceramic and porcelain tile, more than almost any other surface material, needs a stable, flat, flex-free substrate.

Even the slightest amount of movement in a building structure can telegraph to the tile and crack it..

What is the best tool to cut cement board?

The 4 Best Tools for Cutting Cement BoardA Carbide-Tipped Scoring Tool – Our Preferred Method. If you want to “get ‘er done,” a carbide-tipped scoring tool is your best friend. … A Circular Saw with Carbide-Tipped Blade. … A Jigsaw. … A Utility Knife.

What do you cut Hardie board with?

A carbide-tipped scoring knife is recommended, but you can also use a utility knife or shears. Never use a high-speed grinder to cut cement board indoors, since this can create a dust hazard. Here’s how to perform a straight cut on your HardieBacker Cement Board: 1.

Can you use a jigsaw to cut cement board?

A jigsaw can cut straight cuts, rounded cuts, and is the best choice if you need to cut a circular piece or an irregular shape out of the cement board. Fit the jigsaw with a metal-cutting blade or a carbide-grit blade.

What do you attach cement board with?

Tape and Mud the Joints Apply cement board joint tape to all of the joints between sheets, adhering the tape with its self-adhesive backing. Mix more thin-set mortar and cover the taped joints with a thin layer, using a drywall knife, similar to mudding drywall joints.

Do you nail or screw cement board?

Fasten cement board with specified nails or screws (as listed in “Materials Required”) a maximum of 8” on center at all supports. Keep fasteners 3/8” from board edges and 2” in from sheet corners. Set fastener heads flush with the surface, without overdriving. Fill all joints with mortar (see “Materials Required”).

Can you cut Hardie board with a regular saw blade?

There are a few different power tools that you can use to cut cement backer board. Again, these will produce lots of dust, so protect yourself with goggles and a respirator. For straight cuts, use a circular saw fitted with a carbide-tipped wood-cutting blade, pushing the saw into the material with slow, even pressure.

Does cement board need to be waterproofed?

Concrete backer-board, once commonly referred to in the field by the brand name Wonderboard(r), is a cement product designed as a sheathing material for walls and floors. … Most concrete backer-boards on the market today are not water-resistant, but all are waterproof.

Do termites eat Hardie board?

Pest Protection As we’ve mentioned, Hardie Board, vinyl, and metal siding are impervious to pests. Termites and carpenter ants eat wood, but the wood pulp used in Hardie board is infused with cement, so the pests have no interest or access to it.

Do you need a special saw blade to cut Hardie board?

To cut this type of siding, use a masonry blade. … The blades are designed to be used with most cutting tools, including circular, table and miter saws. Reciprocating and jigsaws, which can be equipped with carbide-encrusted blades, are convenient to use when making small or circular cuts in Hardie board siding.

Do I need a vapor barrier behind cement board in shower?

You still need a vapor barrier with cement board, although in this case the barrier can go behind the board. Cement board is heavy enough and breathable enough to take the moisture without a problem.