Hardie Trim 5/4 NT3 Smooth Fiber-Cement Board, 1" x 5-1/2" x 12'

Durable fiber-cement trim engineered for HardieZone 5 climates. Smooth NT3 profile delivers a clean, modern look with ColorPlus Technology for long-lasting color and reduced maintenance.

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Key Features:

• Engineered for Cold/Wet Climates: Designed for HardieZone 5 to withstand freezing temps, hail, snow, and extreme variations
• Noncombustible Safety: Resists flame spread for safer exterior applications
• Pest & Rot Resistance: Fiber-cement construction resists termites, woodpeckers, and decay
• Authentic Wood Aesthetic: Smooth NT3 profile mimics real wood with less upkeep
• ColorPlus Finish: Factory-applied coating resists fading for vibrant, consistent color

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Thickness	1"
Width	5-1/2"
Length	12'
Profile	NT3 Smooth
Material	Fiber cement
Exposure	5-1/2"
Color/Finish	Arctic White (ColorPlus Technology) — trusted data lists Midnight Black; variant shows Arctic White
Weight	29.7 lb per piece
Unit of Measure	Piece (PC)
Applicable Standards	ASTM E84; ASTM C1186 Type A Grade II; ASTM E136; WUI Listed; ICC-ES ESR-2290, ESR-1844, ESR-2273; City of Los Angeles RR 24862; Miami-Dade Approved; HUD MR 1263d; California DSA PA-019; City of New York MEA 223-93-M; Florida FL889; Texas TDI EC-23
Use Cases	Trim for doors, windows, corners, and frieze boards

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Frequently Asked Questions (FAQ):

Q: What applications is this trim suited for?
A: Use around doors, windows, corners, and as frieze or band boards on exterior facades.

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Q: Can it be used in wildfire-prone areas?
A: It is noncombustible and WUI listed per referenced standards; always verify local code approvals.

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Q: Does it require painting?
A: It comes with ColorPlus Technology prefinish; additional painting is optional if following James Hardie guidelines.

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Q: How is it installed?
A: Follow James Hardie installation instructions for NT3 trim using approved fasteners and clearances.

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Q: What maintenance is needed?
A: Clean periodically and inspect caulks/sealants; the ColorPlus finish reduces repainting frequency.

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Crisp Architectural Lines, Effortless Exterior Elegance

This smooth NT3 trim frames elevations with a pristine, tailored edge that elevates curb appeal instantly. I love its fiber‑cement solidity—an understated luxury that reads contemporary yet timeless. Pair it with textured siding and dark window casings to create a striking contrast that feels curated and refined. It’s a smart, enduring essential for a polished, high‑style façade.

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Upgrade your exterior with long-lasting, low-maintenance trim—choose Hardie Trim NT3 for a clean, resilient finish today.

Warranty

Installation