Installing Hardie Siding

Installing Hardie Siding

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 install Hardie siding myself?

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.

How far do you overlap Hardie siding?

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 need OSB under Hardie board?

GENERAL REQUIREMENTS: 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. See General Fastening Requirements.

Can I use a framing nailer for Hardie siding?

It’s possible to use a framing nailer to install siding since the nails are long enough to connect the siding firmly to the wood behind it.

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.

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 caulk Hardie board joints?

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).

What kind of nails do I 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.

How do you screw in Hardie 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. Set fastener heads flush with the surface without overdriving.

How do you cut Hardie board trim?

When it comes to cutting these products, the process is the same for both the trim and the siding.
Install the HardiBlade saw blade in the saw. Measure the area where the trim piece will go. Mark the piece of trim to cut. Place the trim in the saw and adjust the saw to create the proper angle for the desired cut.

Can a roofing nailer be used for siding?

Just keep in mind the main difference between them; the fasteners they use. If you’re installing siding, you want a siding nailer. For installing roofing, a roofing nailer is the best choice. If you’re doing something else, pick the tool that uses the fastener that will work best for your needs.

Can you use a nail gun on Hardie board?

Overall, only two types of power nailers work best for attaching hardie siding: siding and roofing nailers. But if you must use a framing nailer, to install any James Hardie product, be sure to fit it with a quality flush mount attachment so as to control the depth the fastener is driven.

Do you need a starter strip for Hardie siding?

Joint flashing Install starter strip over the weather barrier and even with the bottom of the sheathing. 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.

Robert Thorne
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Robert Thorne

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.