Written by Turnkey Siding
Key Takeaways
- ColorPlus is a factory-applied finish on James Hardie fiber cement. The alternative is primed board finished with paint on site after installation.
- Factory finishing happens in controlled conditions, which matters in a climate where humidity and afternoon storms routinely interrupt exterior painting.
- Field painting wins on color flexibility, easier future color changes, and usually a lower up-front cost.
- Factory finishes generally carry a stated finish warranty; field paint is covered by the paint manufacturer and the painter, separately from the board.
- Turnkey Siding installs fiber cement across the metro. Free estimates at 504-882-9704.
Two Ways to Get a Finished Wall
Quick Answer: Both routes end with painted fiber cement on your house. ColorPlus arrives with its finish already applied under factory conditions, so the coating cures the same way every time regardless of the weather outside. Primed board arrives ready for paint, and the quality of the finish then depends on the painter, the products, and the weather during application. In South Louisiana that last variable carries real weight.
Fiber cement is a strong fit for this region, and homeowners choosing between finish routes are usually already past the material decision covered in fiber cement versus vinyl siding.
The Case for Factory Finishing
Weather Independence
This is the strongest argument here. Exterior painting wants moderate temperature, moderate humidity, and dry conditions during application and cure. Summer in the New Orleans metro delivers none of those reliably. High humidity and pop-up afternoon storms compress usable painting windows, and a coating applied in poor conditions can suffer on adhesion and cure quality in ways that don’t show up for a year or two.
A factory finish sidesteps that entirely.
Consistency and Coverage
Factory application produces even film thickness across every board. Field painting a full exterior across days, elevations, and changing light is harder to keep uniform, particularly on deep colors.
Warranty Clarity
Factory finishes typically come with a stated finish warranty covering things like peeling and excessive fade for a defined period. With field paint, the board and the coating are covered by different parties under different terms. Neither approach is inherently better on paper, but the factory route puts fewer entities in the chain. Read the actual documents either way, using the questions in our Louisiana siding warranty guide.
The Case for Field Painting
Any Color You Want
Factory finish lines offer a curated palette. Field painting opens the entire fan deck. If you’re matching an existing scheme, working within a historic district palette, or you simply want a specific shade, this can decide it.
Easier to Change Later
Repainting field-finished siding is routine. Repainting a factory-finished product is possible but has to follow the manufacturer’s guidance, and doing so may affect the finish warranty. If you expect to change color in a decade, that’s worth weighing.
Lower Up-Front Cost
Primed board plus a quality paint job is typically less than the factory-finished equivalent, though the gap narrows once you price a genuinely thorough painting scope with full prep.
Touch-Ups Are Simple
Field paint means an exact color match is a can away. Factory finishes use touch-up kits, which work well for small blemishes and are less forgiving on larger repairs.
How Our Climate Tips the Balance
Three local factors matter more than anything in the brochures:
- UV intensity. Sun exposure here fades saturated colors faster than in milder regions, on any finish.
- Humidity during application. A real constraint for site painting for much of the year.
- Repaint frequency. Shorter cycles here mean the finish decision compounds over time, which is the same logic behind our siding versus repainting comparison.
On balance we lean factory-finished for most metro projects, mainly because it takes weather out of the equation on the layer doing the protecting. Where a specific color is required, field painting done properly is a perfectly sound choice.
Either Way, Installation Decides Longevity
Neither finish saves a wall that was installed badly. Fiber cement has specific requirements for fastening, overlap, clearance, and cut-edge treatment, and getting those wrong shortens the life of the assembly no matter how the boards were coated. That’s the detail work covered in our siding installation guide, and it’s where we’d tell you to spend your scrutiny when comparing bids.
Frequently Asked Questions
Is ColorPlus more durable than a good field paint job?
The factory process gives more consistent application and cure, which generally supports better long-term performance. A very good field paint job with proper prep in good conditions can perform well too.
Can I paint over ColorPlus later?
Yes, following the manufacturer’s preparation guidance. Check how repainting interacts with your finish warranty before you do it.
Do dark colors hold up here?
Darker shades absorb more heat and are more prone to visible fade under our UV. Ask about the fade coverage specifically if you want a deep color.
How long does fiber cement last in this climate?
It’s among the longer-lived options we install when detailed correctly. See how long siding lasts in New Orleans for realistic ranges, and James Hardie siding in New Orleans for more on the product line.
See Samples in Person
Color reads differently on a wall than on a chip, and differently again under our light. We’ll bring samples, walk your elevations, and quote both finish routes so you can compare.
Turnkey Siding installs fiber cement and 7 other siding types across the New Orleans metro. Call 504-882-9704.