HardiePlank Smooth Lap Siding, HZ10, Primed (5/16 x 7-1/4 x 12)

Durable fiber cement lap siding designed for HardieZone 10 climates. Smooth, primed boards arrive ready for paint and deliver long-lasting performance with the classic look of plank siding.

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Key Features:

• Climate-Specific Performance: Engineered for HZ10 regions to resist heat, humidity, and severe weather.
• Paint-Ready Finish: Factory primed smooth surface for superior paint adhesion and a refined look.
• Low Maintenance Durability: Fiber cement construction resists rotting, warping, and pests.
• Timeless Curb Appeal: Clean lap profile delivers crisp shadow lines for a modern, elevated exterior.
• Consistent Sizing: 5/16 in. thick, 7-1/4 in. height, 12 ft. length for efficient installs and uniform courses.

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Specifications Table:

Specification	Details
Board thickness	5/16 in.
Board height	7-1/4 in.
Board length	12 ft.
Profile	Smooth lap siding
Finish	Primed for paint
Climate rating	HardieZone 10 (HZ10)
Material	Fiber cement

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Frequently Asked Questions (FAQ):

Q: What material is this siding made from?
A: Fiber cement, formulated by James Hardie for strength and weather resistance.

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Q: Is this product prefinished?
A: It is factory primed and ready for field painting; choose any exterior paint compatible with fiber cement.

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Q: Where should HZ10 products be used?
A: HZ10 is intended for hot, humid, and coastal climates; check James Hardie’s zone map to confirm your location.

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Q: Do I need special tools to cut it?
A: Use fiber-cement rated blades or shears and follow James Hardie cutting best practices with proper PPE.

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Q: Can it be installed over existing siding?
A: Follow local code and James Hardie installation instructions; typically install over properly flashed, weather-resistive barriers and sheathing.

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Crisp, Modern Lines That Elevate the Facade

This smooth lap profile creates a serene, tailored backdrop that instantly refines a home’s exterior. I love the precise shadow lines—they frame windows and doors like couture trim. Pair it with high-contrast paint and matte black hardware for a gallery-clean composition. It’s a quietly luxurious essential that anchors any sophisticated curb appeal story.

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Upgrade your exterior with HardiePlank Smooth HZ10—primed, paint-ready boards built for lasting beauty in tough climates.

Installation