FAQ: How To Install Hardie Lap Siding?

FAQ: How To Install Hardie Lap Siding?

Do you need plywood behind Hardie board?

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.

What nails do you use for Hardie siding?

NAIL TYPE: Fasteners must be corrosion resistant, galvanized or stainless steel. 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 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.

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.

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Can you screw into Hardie board siding?

Can you screw James Hardie siding? If you mean “ can you put screws into James Hardie siding ” the answer is yes. Otherwise, you may have landed on the wrong website. James Hardie boards can technically be drilled like wood, but it is best to use a masonry bit to drill this tough fiber-cement board.

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.

Does Hardie board need a vapor barrier?

Hardibacker doesn’t need a vapor barrier or waterproofing except you do need to tape and thinset the joints.

Can you install Hardie plank 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. See General Fastening Requirements.

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.

Does siding need to be nailed into studs?

Vinyl siding must never be applied directly to studs without sheathing.

Does Hardie board crack?

Because Hardie siding is so stiff any movement of the house can cause cracks in the siding which are typical of any rigid masonry product.

Does Hardie board need to be painted?

What is Hardie Plank? Hardie Plank is a newer composite material made of concrete substrate. Hardie Plank is also called fiber cement siding. While it’s far heavier than aluminum, vinyl or wood, it is extremely durable and typically only needs a new paint every ten to twenty years for maintenance.

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Does Hardie board absorb water?

Hardie siding does a great job of wicking moisture when it is installed on the wall, but when it’s uncovered and flat on the ground it will absorb water. And if a board does get wet, but is not sitting in moisture for an extended period of time, you can simply let it dry out before installing.


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