James Hardie HardieTrim Board, 11.25 in., Primed for Paint (4/4 or 5/4, Rustic Grain or Smooth)
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James Hardie HardieTrim Board, 11.25 in., Primed for Paint (4/4 or 5/4, Rustic Grain or Smooth)
HardieTrim is James Hardie's fiber cement trim board. This is the 11.25 in. width, in 12 ft. lengths, available in two thicknesses (4/4, 3/4 in. actual, or 5/4, 1 in. actual) and two textures (Rustic Grain, a woodgrain texture that reads as rough-sawn cedar, or Smooth, a flat, painted-wood look).
Used for window and door casing, corner boards, frieze and rake trim, fascia, light blocks, column wraps and decorative scrollwork.
Primed for Paint only. Contact us to request a ColorPlus quote if you'd like a factory-finished color option.
Features and Common Uses
- Fiber cement trim board, choice of 3/4 in. (4/4) or 1 in. (5/4) thickness
- Rustic Grain (woodgrain texture) or Smooth (flat, painted-wood look)
- Noncombustible, resists moisture damage and holds no appeal for pests like woodpeckers or termites
- Primed and ready for field paint in the color of your choice
- Complies with IBC Section 1403 and IRC Section R703 as an alternative to conventional trim
Commonly used for:
- Window and door casing
- Corner boards, frieze and rake trim
- Fascia, light blocks, column wraps and decorative scrollwork
Specifications
| Brand | James Hardie |
|---|---|
| Product Line | HardieTrim Boards |
| Texture | Rustic Grain, Smooth |
| Material | Fiber cement, ASTM C1186 Grade II Type A |
| Thickness | 3/4 in. (4/4 nominal) or 1 in. (5/4 nominal) |
| Width | 11.25 in. |
| Length | 12 ft. |
| Finish | Primed for paint |
| Fire rating | Noncombustible, ASTM E136 |
| Code compliance | IBC Section 1403 / IRC Section R703, alternative to conventional trim |
| Fastening | 16-gauge corrosion-resistant finish nail, 2 in. minimum length |
| Common uses | Window and door trim, corner boards, frieze, rake, fascia, light blocks, column wraps, scrollwork |
| Warranty | 30-year non-prorated limited, transferable substrate warranty |
Fastening and code details engineered per James Hardie's HardieTrim Boards HZ5 product data sheet. Confirm the exact fastening schedule for your application before install. Source: James Hardie HardieTrim Boards Product Data Sheet (HZ5, PDF).
How to Install
- Fasten with a 16-gauge, minimum 2 in. long, corrosion-resistant finish nail.
- Space fasteners no more than 16 in. o.c.
- Keep fasteners at least 1/2 in. from board edges and 1 in. from board ends.
- Use stainless steel fasteners in coastal regions.
- Prime all field cuts and fastener heads, and caulk joints per James Hardie's paint and caulk requirements to keep the substrate warranty valid.
Source: James Hardie HardieTrim Boards Product Data Sheet (HZ5, PDF).
Frequently Asked Questions
What is HardieTrim used for?
Window and door casing, corner boards, frieze and rake trim, fascia, light blocks, column wraps and decorative scrollwork, as an alternative to solid wood trim.
What's the difference between 4/4 and 5/4?
4/4 is 3/4 in. actual thickness. 5/4 is 1 in. actual thickness, for a heavier, more substantial look and deeper shadow line. Both are the same width and price per thickness tier shown at checkout.
What's the difference between Rustic Grain and Smooth?
Rustic Grain has a woodgrain texture that reads as rough-sawn cedar. Smooth is a flat, painted-wood look. Both are the same board size and price.
Can I get this in a factory color?
Not on this listing, it ships Primed for Paint only. Contact us to request a ColorPlus quote.
What nails do I need?
A 16-gauge, minimum 2 in. long, corrosion-resistant finish nail, spaced no more than 16 in. o.c., kept at least 1/2 in. from edges and 1 in. from ends. Stainless steel fasteners are required in coastal regions. Source: James Hardie HardieTrim Boards Product Data Sheet (HZ5, PDF).
How much does one board cover?
About 0.94 sq. ft. per linear ft. face area at the full 11.25 in. width, since trim board is installed flat rather than overlapped like lap siding.