Hardie Trim 5/4 NT3 Smooth Board, 3-1/2" x 12', Arctic White

Durable fiber cement trim board engineered for HardieZone 5 climates. The 5/4 NT3 Smooth profile offers the look of wood with low maintenance and a factory-finished Arctic White ColorPlus coating for long-lasting color and protection.

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Key Features:

• Engineered for Cold Climates: HZ5 formulation stands up to freezing temps, snow, and ice.
• Low-Maintenance Fiber Cement: Resists rot, swelling, warping, and damage from pests.
• Noncombustible Safety: Rated to resist flame spread for added peace of mind.
• ColorPlus Technology Finish: Baked-on coating resists fading and chalking for lasting curb appeal.
• Versatile Trim Applications: Ideal for doors, windows, corners, and frieze boards.

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Product name	Hardie Trim 5/4 NT3 Smooth Board for HardieZone 5
Brand	James Hardie
Color/Finish	Arctic White (ColorPlus Technology)
Material	Fiber cement
Profile/Texture	NT3 Smooth
Thickness	1" (5/4)
Width	3-1/2"
Length	12'
Exposure	3-1/2"
Item weight	19.725 lb
Applications	Exterior trim for doors, windows, corners, frieze board
Climate zone	HardieZone 5
Combustibility	Noncombustible; resists flame spread
Pest resistance	Resists damage from woodpeckers, termites, and other pests
Weather resistance	Engineered for freezing temperatures, temperature swings, hail, snow, ice, and wet weather
Standards/Approvals	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 County Approved; HUD MR 1263d; California DSA PA-019; City of New York MEA 223-93-M; Florida FL889; Texas TDI EC-23
Manufacturer number	667401
Product number (variant)	HARHZ5T540412AW

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Frequently Asked Questions (FAQ):

Q: What are the board dimensions?
A: 1" thick (5/4), 3-1/2" wide, and 12' long.

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Q: Is this product prefinished?
A: Yes, it comes with James Hardie ColorPlus Technology in Arctic White.

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Q: Where can this be used?
A: For exterior trim applications including around doors, windows, corners, and as a frieze board.

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Q: Is it suitable for cold climates?
A: Yes, it is engineered for HardieZone 5 to handle freeze/thaw cycles and wet weather.

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Q: Do I need special tools to cut it?
A: Use fiber cement-compatible blades and follow James Hardie best practices and safety guidelines.

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Crisp Architectural Lines, Effortlessly Enduring

This sleek, smooth trim frames a facade with razor-sharp precision, giving exteriors a fresh, gallery-clean edge. Its Arctic White finish is luminous, a modern accent that elevates siding and stone alike. Pair it with charcoal clapboard or warm wood tones to create a refined contrast that feels bespoke. It’s a polished essential—beauty and resilience in perfect balance.

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Complete your exterior with this durable, prefinished Arctic White trim and elevate your home’s curb appeal today.

Warranty

Installation