
James Hardie Smooth Square Edge Fiber Cement Plank, HZ5 Primed, 5/16 in. x 12 in. x 12 ft
Regular price $29.75Orders start at $399 — combine any items to reach the minimum. Learn more
James Hardie Smooth Square Edge Fiber Cement Plank, HZ5 Primed, 5/16 in. x 12 in. x 12 ft
James Hardie Smooth Square Edge Plank is a fiber cement siding plank in the HZ5 primed finish, measuring 5/16 in. x 12 in. x 12 ft. One plank (PC) is the sell unit. It is part of the best-selling fiber cement line from the #1 brand of fiber cement siding in North America.
Key Features:
- Fiber cement build: Made from fiber cement, the durable siding material James Hardie is known for.
- Smooth square edge: Smooth texture with square edge profile for a clean, painted-board appearance.
- HZ5 primed: Supplied primed for HZ5 climate zones, ready for finish painting.
- Long 12 ft length: 12 ft plank length means fewer seams and laps on the wall.
- Best-selling line: From James Hardie's best-selling product line of fiber cement siding.
- Versatile styling: Available in stunning finishes to suit every style, per the manufacturer.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | James Hardie |
| Sell unit | 1 plank |
| Product line | Smooth Square Edge Plank |
| Available colors | HZ5 Primed |
| Available sizes | 5/16 in. x 12 in. x 12 ft |
| Material | Fiber cement |
| Finish / texture | Smooth, square edge, primed (HZ5) |
| Dimensions | 5/16 in. x 12 in. x 12 ft |
| Intended use | Lap siding / fiber cement siding plank |
Coverage & How Much You Need:
One 12 ft plank covers 12 linear ft of wall at 12 in. board width; actual exposed coverage depends on the lap or reveal you choose at installation. Calculate wall area in square feet and divide by the exposed board width to determine plank count.
Fit and Compatibility:
Designed for James Hardie fiber cement siding installations in HZ5 climate zones; use with Hardie trim, flashing and fastening systems. Trim and finishing paint are sold separately.
Frequently Asked Questions (FAQ):
Q: What is included in the sell unit?
A: One plank (PC) of James Hardie Smooth Square Edge Plank, 5/16 in. x 12 in. x 12 ft, HZ5 Primed.
Q: What are the plank dimensions?
A: Each plank is 5/16 in. thick, 12 in. wide and 12 ft long.
Q: What does HZ5 Primed mean?
A: The plank is primed and specified for HZ5 climate zones; it is ready for on-site finish painting.
Q: What material is it?
A: It is fiber cement siding from James Hardie, the #1 brand of fiber cement siding in North America per the manufacturer.
Q: How do I figure how many planks I need?
A: Measure your wall area, choose your lap/reveal, and divide total square footage by the exposed width per plank, adding waste.
Q: Does it come painted?
A: This version is primed only; a finish topcoat must be applied after installation.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
The smooth square edge profile suits clients wanting a crisp, painted-lap look, and the 12 ft length reduces butt joints on long walls. Because this is the HZ5 primed product, verify your project falls in an HZ5 zone before ordering, and schedule finish painting promptly after installation. Use stainless or hot-dipped fasteners and proper flashing per Hardie installation requirements.
Cutting fiber cement produces silica dust; use dust-reducing cutting methods outdoors and follow the manufacturer's safe-cutting and respirator guidance.
Order James Hardie Smooth Square Edge Plank in HZ5 Primed for a durable fiber cement siding installation.
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