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InsightHorizon Digest

Are there different grades of Hardieboard

Author

James Bradley

Updated on April 10, 2026

James Hardie siding comes in a variety of styles, trims, and colors. … Colonial, traditional or modern, they have a siding style to fit them all. Maintenance. One of the most popular benefits of Hardie siding is low maintenance.

How many types of Hardie board are there?

There are three different trim boards, each available in smooth and rustic: 4/4, 5/4, and batten boards. Each of these collections is a part of the James Hardie Statement CollectionTM, available in a range of classic, neutral colors that are most popular. However, there are hundreds of colors for you to choose from.

What is the difference between Hardie board and hardiplank?

Fiber cement siding is often called “hardiplank” or even “hardie board” named from the most popular brand of fiber cement siding which is manufactured by James Hardie. … It is also installed in much the same way as traditional lapboard or wood siding, as it is nailed directly to your home.

Does Hardie board come in different thickness?

HardiePanel vertical siding is 5/16 in.thick and is available in 4×8, 4×9 and 4×10 sizes. Please see your local James Hardie dealer for texture and size availability. HardiePanel vertical siding is available as a prefinished James Hardie® product with ColorPlus® Technology.

What is the difference between Hardie HZ5 and HZ10?

The Difference Between HZ5 and HZ10 The HZ5 siding is designed to withstand damage from ice, snow, and freezing temperatures. … Meanwhile, the HZ10 siding is formulated for areas where humid heat, salty sea air, and hurricane-force winds are present.

What are the three major types of board siding?

Risinger provides a helpful overview and his own opinions about three major categories of lap siding on the market today: vinyl, engineered wood, and fiber cement. Here’s his take on the pros and cons for each option.

Which is better Hardie board or vinyl siding?

By contrast, Hardie® fiber cement siding is more durable and up to 5x thicker than vinyl siding. It easily stands up to the elements, resisting damage from wind, rain, freezing temperatures and hail, and gives homes years of protection with low maintenance.

What is the thickness of Hardie trim?

HARDIETRIM® BATTEN BOARDS HardieTrim® Batten Boards are a decorative non-load bearing trim product. HardieTrim® Batten Boards are 19mm (¾ in) thick, 64mm (2½ in) wide, and come on 3,658mm (12 ft) lengths. See your local dealer for details and availability of product colors and accessories.

What is the reveal on Hardie siding?

Sometimes referred to as the reveal, siding exposure is the visible space between the bottoms of adjacent rows of siding. This term is most frequently used when describing lap siding.

How much does a 4x8 sheet of Hardie panel weigh?

Hardieplank weighs 2.3 lbs per square foot. That is about the same weight as 5/8″ thick Sheetrock.

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What is better than hardiplank?

Once the contractors believed in the product, the information was passed to the homeowners, including the following advantages: LP SmartSide has superior moisture protection and strength, longer lengths than Hardie (16′ over 12′), less weight than Hardie, and is less expensive to install (no special cutting tools …

Is masonite the same as hardiplank?

Hardboard siding is a vastly improved product from the original hardboard siding product known popularly as Masonite. … Hardboard lap siding is also the easiest to install on homes that still have older style Masonite or clapboard siding that need small repairs.

What is the R value of Hardie board?

Standard vinyl siding has an R-value of 0.61, and Hardie siding’s R-value is 0.37.

Can you pressure wash HardiPlank?

The manufacturer recommends that you do not pressure wash your Hardie siding. The hard spray of water from the power washer can damage the surface of the siding. In fact, pressure washing fiber cement siding is one of the only ways you can damage this durable type of siding.

How much do you lap Hardie siding?

GENERAL REQUIREMENTS: HardiePlank® lap siding can be installed over braced wood or steel studs, 20 gauge (33 mils) minimum to 16 gauge (54 mils) maximum, spaced a maximum of 24 in o.c. or directly to minimum 7/16 in thick OSB sheathing.

What does HZ10 mean?

The HZ10 system is engineered for areas with hurricane-force winds, salty sea air, and the brutal, humid heat of the southern half of the U.S. Specifically formulated for climate zones 6-10, the HZ10 boards resist cracking, splitting, rotting and swelling season after hot, humid, tropical storm season.

Is Hardie board less expensive than vinyl siding?

Cost. There is no doubt about it, the advantages of hardie board come with a cost. Vinyl siding is far less expensive, both in terms of the product itself and labor costs to install it. Part of the savings stems from the fact that vinyl is much easier to cut, work with, and install.

How often does James Hardie siding need to be painted?

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.

What is cheaper than Hardie?

One of the biggest reasons many builders and homeowners choose LP siding over Hardie siding is the significant cost difference. … LP is cheaper because both the materials and labor cost less than Hardie siding.

What type of siding is Hardie board?

What Is Hardie Board Siding? Hardie Board siding is a super durable siding product that looks amazing, is long-lasting, and comes with a fabulous warranty. It’s made of cement, sand, and cellulose fibers which combine to create an outstanding material to both protect and beautify homes.

What is hardiplank type?

Hardiplank is a type of fiber-cement siding made up of wood pulp, cellulose fibers, and cement components. The term Hardiplank or Hardieplank was coined by manufacturer James Hardie, one of the world’s largest building material companies.

How do you know if you have hardiplank siding?

  1. There will be a Hardie imprint near the nail line, which falls underneath the overlap of the siding after installation. …
  2. The top edge of the siding is “sloped” to help wick water away—a feature Hardie suggests is unique to many of their models.

How much should Hardie plank siding overlap?

Each row of siding should overlap by 1¼” or more.

Can you screw into Hardie board siding?

James Hardie Building Products recommends keeping nails or screws at least 3/8 inch from the end of a plank. … Drill pilot holes, at each mark, one-quarter to one-half inch deep, to make it easier to insert screws and prevent cracking the siding. Align the bracket holes with the pilot holes in the siding.

What sizes does Hardie Plank come in?

HardiePlank lap siding comes in 12-ft. lengths. Nomi- nal widths from 51/4 in. to 12 in. create a range of exposures from 4 in. to 103/4 in.

How thick is Hardie siding?

HardiePlank HZ10 5/16 in.

Is Hardie trim primed?

Trim is factory primed using a primer with a slight yellow hue. To finish, apply an acrylic, water-based exterior house paint to the primed board within 180 days of installation.

What size Hardie trim for corners?

Inside corners can be made with either a single HardieTrim 5/4, 4/4 board in the corner, or with one board on each wall depending on the desired look. Keep weather cuts at least 12 in.

Can you put Hardie board over old siding?

According to the best practices manual from James Hardie, existing siding can be used as a substrate as long as it is in good condition, meaning that it is not warped, bowed, curling, delaminated, or rotting. … If none of these potential problems are present, the existing siding is probably fine to use as the substrate.

What is the difference between Hardie board and Smart Board?

The primary difference between the materials used to make SmartSide siding and Hardie siding is that SmartSide uses a wood-based product, while Hardie uses a cement-based product.

What is similar to Hardie board?

  • 01 of 07. GAF WeatherSide. Known mainly as a roofing supplies company, GAF is laser-focused on one particular angle on the fiber-cement siding business. …
  • 02 of 07. James Hardie: HardiePlank. …
  • 03 of 07. Nichiha. …
  • 04 of 07. Allura Plycem. …
  • 05 of 07. Woodtone. …
  • 06 of 07. American Fiber Cement Corporation. …
  • 07 of 07. Finex.