FAQ

How to Install Fiber Cement Siding

In general, use nails that penetrate the studs at least 1 in. Drive the nailheads snug against the fiber cement board. If driven too deep, the …

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Can you install fiber cement siding yourself?

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.

What are the steps of installing fiber cement siding?

How Much Should fiber cement siding overlap?

Flashing behind butt joints is an effective, low maintenance way to comply with building code and help protect against water intrusion. James Hardie recommends 6-inch-wide flashing that overlaps the course below by 1-inch. However, some local building codes may require different size flashing.

Do you nail or screw Hardie board?

Fasten HardieBacker sheets with proper nails or screws (as listed in ”Materials Required” in the backer installation instructions) every 8” around the perimeter and all supporting studs. Keep fasteners between 3/8” and 3/4” from sheet edges and 2” in from sheet corners.

Can I use a framing nailer for Hardie siding?

The answer is, yes. Framing nail guns can be used for siding installation, if the nail being used is long enough to attach the siding firmly to your exterior wood sheathing. While it’s recommended to always use a siding nail gun for siding installation, in a pinch, you may be able to use a framing nailer instead.

What nails do you use for Hardie siding?

NAIL TYPE: Electro-galvanized nails are acceptable for use with James Hardie Siding Products, but may exhibit premature corrosion. James Hardie recommends the use of quality, hot-dipped galvanized nails.

What do you hang fiber cement siding with?

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.

Can you install Hardie siding directly to studs?

HardiePlank® lap siding can be installed over braced wood or steel studs spaced a maximum of 24" o.c. or directly to minimum 7/16" thick OSB sheathing.

What are the pros and cons of fiber cement siding?

This feature lessens allergens within the home, further protecting a homeowner’s family. Fiber cement board has all the benefits of other sidings with few disadvantages. Installation of fiber cement board siding is costly. Labor costs are higher because fiber cement requires more manpower to deliver and install.

Should fiber cement siding be caulked?

Many professionals, like those at James Hardie, also agree that you should not use caulk on fiber cement siding unless there is no metal flashing underneath. Flashing acts as a waterproofing layer for this type of siding, and caulking will prevent the flashing from doing its job.

Should Hardie board be caulked?

James Hardie DOES NOT recommend using caulk or “H”-jointers for the butt joints of HardiePlank® siding with ColorPlus® technology. James Hardie also DOES NOT recommend applying caulk to the horizontal overlap between siding planks (see Figure 2).

Do you need a starter strip for Hardie siding?

HardiePlank® lap siding requires a starter strip beneath the first course to set it on the proper angle and to create a proper drip edge at the bottom of the siding.

What is the best way to fasten Hardie board?

You can use corrosion-resistant screws, or you can use stainless steel or hot-dipped galvanized nails. You can nail the siding by either blind nailing it at the top or face nailing it at the bottom. It’s best to use siding nails for face nailing or roofing nails for blind nailing.

What fasteners do you use with Hardie board?

James Hardie recommends the use of quality, hot-dipped galvanized nails. James Hardie is not responsible for the corrosion resistance of fasteners. Stainless steel fasteners are recommended when installing James Hardie® products near the ocean, large bodies of water, or in very humid climates.

Do you need special screws for Hardie board?

Hardie Board requires using specific screws to work effectively. For best results, use ribbed stainless steel screws with wafer-head.

Do you need a special blade to cut Hardie board?

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. Cut the Hardie board outside, because the dust released as the board is being cut can pose a safety hazard.

What’s the difference between siding nails and framing nails?

Framing nailers use 3- to 4-inch nails made for piercing and joining lumber. A siding nailer uses shorter nails — typically 1 1/4 to 2 1/2 inches, often with wider heads. Some siding nailers are designed for use with aluminum nails which work better with aluminum siding.

How do you cut Hardie siding?

Can I use a roofing nailer for Hardie siding?

You can shoot Hardie siding on with air powered nailers or use hand driven roofing nails to attach siding to the home or structure. The nails can be ringed- shanked or smooth just make sure you are hitting the studs in the wall.

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How to Replace an Exterior Window with Vinyl Siding

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