Quick Answer: How To Cut Hardie Board Siding?

Quick Answer: How To Cut Hardie Board Siding?

Do you need a special blade to cut Hardie board?

Cement Board – Cutting Tools For some types of Hardie board, you ‘ll need a power tool with a cement board blade with a carbide tip to cut the board. Carbide-tipped blades are made specifically for this kind of work. Once prepared, cut the Hardie board as you would any other material.

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.

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.

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Do you caulk Hardie board siding?

Wherever Hardie siding meets a trim board, the company recommends you leave a 1/8” gap between the siding and the trim and apply a 3/8” bead of approved caulking to protect and seal the edge of the siding. This means that Hardie contractors are used to overapplying their caulking and letting it shrink over time.

Is Hardie board dust dangerous?

Breathing dust that contains respirable crystalline silica can lead to silicosis, a deadly lung disease. Respirable dust is that fraction of the aerosol that is small enough to reach the deeper, gas-exchange regions of the lungs.

Is Hardie board waterproof?

HardieBacker® Cement Board with HydroDefense™ Technology is a long-lasting, waterproof solution for walls, floors, and countertops.

Is Hardie board fireproof?

Fire Ratings Hardiebacker board is generally noncombustible, and the heat produced from the fireplace will not damage it.

What kind of blade do you cut cement board with?

Use a carbide-tipped wood- cutting blade to minimize dust. Cement is a very hard material, so you ‘ll need to use a blade that can handle the material. Carbide-tipped wood- cutting blades have fewer teeth than other circular saw blades and the carbide can withstand the strain of the cement.

Do termites eat Hardie board?

Do Termites Eat Hardie Board? Although termites do eat wood, they cannot get to the wood in Hardie Board siding because of the fiber cement materials throughout the product.

Can you pressure wash HardiPlank?

Use only soft cloths, sponges, and non-metal brushes. Use a garden hose on low pressure. Don’t use a pressure washer, which can be too harsh and end up damaging the surface of the siding. Don’t use acid, as it is much too harsh for any form of siding.

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How long will Hardie board last?

With the proper care, your James Hardie fiber cement siding will outlast its 30-year warranty. It can even last up to 50 years if cared for properly.

How do you cut Hardie board with a circular saw?

Fit your circular saw with a carbide-tipped wood- cutting blade (view example on Amazon), choosing one with as few teeth as possible in order to minimize the amount of dust given off as you saw. Operate your circular saw as you typically would, pushing it slowly and evenly through your cement backer board.

Can I cut cement board with a circular saw?

Cement backer board can be cut with a carbide-tipped scoring tool, just score and snap the sheet, similar to cutting drywall. For straight cuts, use a circular saw fitted with a carbide-tipped woodcutting blade, but here’s a little secret: use a blade with the fewest number of teeth you can find.

How do you fasten Hardie board?

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.


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