FAQ: How To Nail Hardie Board Siding?

FAQ: How To Nail Hardie Board Siding?

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.

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 you put a nail in Hardie board?

James Hardie recommends that nails be hot dip galvanized (at a minimum) or stainless steel (as a best practice). Anything less and the nails may start to rust, leading to stains on your beautiful siding.

How do you nail hardiplank siding?

Fastening Siding

  1. Use hot-dipped galvanized or stainless steel nails.
  2. Nails should penetrate through the sheathing and at least 1” into studs.
  3. Position nails ¾” to 1” from the edge of the siding.
  4. Siding can either be blind nailed at the top or face nailed at the bottom.
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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. See General Fastening Requirements.

Can I use a finish nailer on Hardie siding?

You can hand nail the trim with stainless steel siding nails. No problem nailing thru the Hardie Board. If the nails won’t show then a roofing nailer will work too.

Can you use screws to install Hardie plank siding?

HardiePlank ® lap siding may be used with fasteners approved by ICC-ES ESR-2290 spaced in accordance with the Wind Load Tables. Fasteners must be corrosion resistant, galvanized or stainless steel.

How long can Hardie board go unpainted?

Pre-primed products can sit for 6 months without paint. Unprimed hardie can sit for 3 months without paint.

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.

How do you attach things to Hardie board?

Generally speaking, items can be attached to James Hardie siding by using either corrosion resistant nails or screws. The fasteners must be long enough to go through the siding and into wood or metal substrate (e.g. sheathing or studs).

Is Hardie board siding waterproof?

Hardie siding is waterproof, fire resistant, and pest and insect resistant, which means that not only will the siding last, but it will protect the interior of your home for longer, without warping or breaking.

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Do you caulk Hardie siding?

Joint-flashing material must be durable, waterproof material that does not react with cement based products. Other products may also be suitable. James Hardie DOES NOT recommend using caulk or “H”-jointers for the butt joints of HardiePlank® siding with ColorPlus® technology.

Can Hardie board touch the ground?

You absolutely cannot use any type of cement siding for ground contact. There are several brand of cellular PVC trim besides Azek.

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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