HardieTrim 5/4 NT3 Smooth Board, Arctic White (HZ5)

Durable James Hardie fiber-cement trim designed for HardieZone 5 climates. The 1 in. thick, 5-1/2 in. wide, 12 ft. long NT3 Smooth board delivers crisp, clean lines with factory-applied Arctic White finish for long-lasting curb appeal.

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Key Features:

• Built for HZ5 climates: Engineered to perform in seasonal freeze-thaw conditions
• Fiber-Cement Durability: Resists rotting, warping, and pests for long service life
• Smooth Finish: Clean, modern look that complements a range of siding styles
• Code Compliance: Listed/approved to multiple standards including ASTM E84, ASTM C1186, and ICC-ES ESR reports
• Ready to Install: 1 in. nominal thickness, 5-1/2 in. width, 12 ft. length for versatile exterior trim applications

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Color	Arctic White
Finish	NT3 Smooth
Material	Fiber cement
Thickness	1 in. (5/4 nominal)
Width	5-1/2 in.
Length	12 ft.
Climate zone	HardieZone 5
Applicable Standards/Approvals	ASTM E84; ASTM C1186 Type A Grade II; ASTM E136; Urban Interface (WUI) Listed; ICC-ES ESR-2290, ESR-1844, ESR-2273 (IBC, IRC, CBC, CRC); 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

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Frequently Asked Questions (FAQ):

Q: What are the actual dimensions?
A: Nominal 1 in. thick x 5-1/2 in. wide x 12 ft. long.

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Q: Is this board prefinished?
A: Yes, it comes in factory-finished Arctic White ColorPlus finish.

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Q: Where can this product be used?
A: Exterior trim applications in HardieZone 5 regions (cold/seasonal climates).

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Q: What approvals or ratings does it have?
A: Meets ASTM E84, ASTM C1186 Type A Grade II, ASTM E136; carries ICC-ES ESR-2290/1844/2273 and various state/local approvals.

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

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Crisp Architectural Lines in Arctic White

This smooth trim board frames elevations with a refined, gallery-clean edge, instantly elevating curb appeal. The Arctic White finish creates a striking contrast against natural materials and saturated siding hues. Miter for picture-frame windows or run in bold verticals to modernize porch columns. It’s a timeless detail that signals considered, luxurious exteriors.

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Upgrade your exterior with durable, design-forward trim—choose HardieTrim NT3 Smooth in Arctic White today.

Warranty

Installation