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James Hardie 9.25 in x 12 ft Hardie Trim 4/4 Smooth Primed Fiber Cement Board, HardieZone 10
Regular price $40.50Orders start at $399 — combine any items to reach the minimum. Learn more
James Hardie 9.25 in x 12 ft Hardie Trim 4/4 Smooth Primed Fiber Cement Board, HardieZone 10
This James Hardie Hardie Trim 4/4 Smooth board measures 9.25 in wide x 12 ft long x 0.75 in thick, factory primed for field painting and made for HardieZone 10. One board per sell unit. Use it for wide fascia, soffit-framing bands and corner boards with Hardie siding systems.
Key Features:
- Extra-wide face: 9.25 in width handles fascia, band and corner board applications.
- Primed for paint: Primed smooth face ready for any exterior topcoat color.
- Noncombustible: Noncombustible fiber cement complying with ASTM E136.
- Pest resistant: Holds no appeal for woodpeckers, termites and other pests.
- Moisture resistant: Resists damage from moisture and weather extremes.
- Engineered for Climate: Formulated for HardieZone 10 freeze-thaw and wet climates.
- Code listed: ICC-ES ESR-2290, ESR-1844, ESR-2273; Miami-Dade County Approved; FL889; TDI EC-23.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | James Hardie |
| Manufacturer model | 9000043 |
| Sell unit | 1 piece, 9.25 in x 12 ft board |
| Product line | Hardie Trim Boards |
| Profile / style | 4/4 Trim, Smooth (sanded edge face) |
| Color | Primed (for field painting) |
| Dimensions | 9.25 in x 12 ft, 0.75 in (4/4) thick |
| Exposure | 9.25 in |
| Material | Fiber cement |
| Finish / texture | Smooth, primed |
| Weight | 45.89 lb per piece |
| Fire rating | Noncombustible; complies with ASTM E136; ASTM E84 tested; WUI Listed |
| Approvals | ASTM C1186 Type A Grade II; ICC-ES ESR-2290, ESR-1844, ESR-2273; Miami-Dade County Approved; FL889; TDI EC-23 |
| Intended use | Exterior trim for siding installations |
| Manufacturer warranty summary | 30-year non-prorated limited, transferrable substrate warranty |
Coverage & How Much You Need:
One 12 ft board covers 12 linear ft of trim, about 9.25 sq ft of face each. Size your order by the total linear footage of wide-trim runs.
Fit and Compatibility:
Built for HardieZone 10 and pairs with James Hardie Plank, Panel, Shingle and Soffit; install with Hardie-approved fasteners and follow gapping rules. Paint, flashing and sealants sold separately.
Frequently Asked Questions (FAQ):
Q: What comes in one unit?
A: A single 9.25 in x 12 ft x 0.75 in Hardie Trim 4/4 Smooth primed board weighing about 45.89 lb.
Q: Is it painted or primed?
A: Primed. Apply your own exterior topcoat; this item is not a factory color.
Q: What is the exposure?
A: The listed exposure is 9.25 in, the full face width.
Q: What is it used for?
A: Wide exterior trim such as fascia, corner boards, band trim and door surrounds on fiber cement siding jobs.
Q: Is it fire resistant?
A: Yes, the board is noncombustible, complying with ASTM E136, and is ASTM E84 tested.
Q: Which zone is it for?
A: This board is designated for HardieZone 10.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
At 9.25 in, this is the go-to width for fascia over 2x framing and for water-table bands; support it per the installation instructions and maintain the required clearance gaps at edges and joints. Keep cut edges and fastener heads sealed before painting. Two installers should handle the roughly 46 lb board on ladders.
Cutting fiber cement creates silica dust: use dust extraction, cut outdoors, and wear a respirator, eye protection and gloves.
Buy the James Hardie 9.25 in x 12 ft Hardie Trim 4/4 Smooth Primed board for wide fascia and band trim.
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