QA

How To Install Hardie Panel Siding

Do you nail or screw Hardie board?

What is the correct fastener pattern for installing HardieBacker® cement 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.

Can you install Hardie board 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.

Does Hardie board need plywood backing?

Fiber cement siding should be installed over plywood, OSB, or sheathing. Building codes will usually require installing siding over water-resistant barriers and nailed into the studs every 16 or 24 inches.

What do you fasten hardie board with?

Fasten the siding – You can fasten it with a pneumatic nailer or nailing by hand. 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.

Do you caulk hardie panel?

Panels may be installed first with caulk applied in the joints after installation; or as an option, after the first panel is installed, apply a bead of caulk along the panel edge.

Do you need Thinset under Hardie board?

However, many manufacturers including, both Durock and Hardiebacker not only recommend that you use thinset under their backerboard, but they specify it and will void the warranty on their product if it’s not used. Thinset is going to create a solid surface under tile and prevent flexing that could lead to cracking.

Do you caulk Hardie board siding?

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).

Can you use a framing nailer for Hardie siding?

With some overlap in nail size, you may wonder whether framing nailers can be used for 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.

Can you nail through Hardie board?

Hardiplank siding can be hand nailed or fastened with the use of a pneumatic tool. Set your air pressure so that the fastener is driven snug with the siding surface.

Does Hardie siding need to be nailed to studs?

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. Irregularities in framing and sheathing can mirror through the finished application.

Is it hard to install Hardie board siding?

Joining Hardie boards together is actually very easy, but there are a number of ways that contractors get it wrong; Gaps: Hardie boards should be joined in “moderate contact”. This means that the boards should be touching each other when they are installed. There is no need to leave a gap for expansion.

Can I use screws for Hardie 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. Fasteners shall be installed between 1 in. and 3/4 in.

Do you need insulation under Hardie siding?

Hardie Plank is a cement board; it’s composition is sand and water. It is heavy on the wall and provides no insulation value. Formed to resemble wood, it fails to provide a deep, rich grain and does not come close to the look of wood. It is highly susceptible to mold and mildew.

Do I need house wrap behind Hardie siding?

With fiber cement siding, the heavy material may compress the wrap so it’s extremely important that a non-woven wrap is used. This is because the heavy siding may lead to a build-up of moisture behind it, which in turn, can lead to mold growth and wood rot if that moisture is not properly addressed.

What kind of nail gun do you use for Hardie board?

Best Overall: BOSTITCH Coil Siding Nailer The BOSTITCH Coil Siding Nailer has everything you need in a nailer for a hardie siding installation that will make heads turn. You’ll love the easy-to-use depth adjustment, consistent depth of nail drive, and smooth operation (no annoying misfires or jamb).

What kind of nails do you use on 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. Min.

What kind of screws are used for Hardie board?

James Hardie recommends 1-1/4” long galvanized or STAINLESS steel roofing nails or 1-1/4” long ribbed waferhead screws in compliance with the tile industry. It is 8-18 x 3/8” HD.

How do you fill nail holes in Hardie board?

ColorPlus® Products ColorPlus® Touch-up Kits can be used to cover nicks, scrapes and nail holes that may occur over time. If the touch up area is larger than the size of a dime, the use of ColorPlus® Touch-up Kit is NOT recommended. It is advised to replace the damage siding with a new section of ColorPlus® siding.

What size nails do you use for Hardie siding?

James Hardie recommends using stainless steel finish nails when installing HardieTrim products. Use a 2 in. finish nail to fasten trim together.

What are the cons of Hardie board?

Hardie board is close, but the one drawback of Hardie board siding is upfront costs. This material is heavier than vinyl, which means installation requires more labor and specialized installation. The material itself is also more costly than most vinyl options.