No — Hardie board and vinyl siding are two very different products. Fiber cement uses cement, sand, and cellulose; vinyl is a plastic-based PVC material.
No — Hardie board and vinyl siding are two very different products. Fiber cement uses cement, sand, and cellulose; vinyl is a plastic-based PVC material.
Key Differences Between Fiber Cement and Vinyl
- Material Composition: Hardie board is a dense composite of cement, sand, and cellulose fibers — vinyl is a PVC plastic panel, a fundamentally different beast with different weaknesses.
| Feature | James Hardie | Vinyl Siding |
| Material | Fiber cement | PVC plastic |
| Thickness | 5x thicker than vinyl | Thin plastic panel |
| Fire Rating | Class A | Melts in high heat |
| Fade Resistance | 15-year warranty | Fades in 5 years |
| Average Cost | $21,500 | $18,000 |
| ROI | 144.9% | 97% |
- Thickness Gap: Hardie is roughly 5 times thicker than vinyl, giving it far better impact resistance against hail, stray baseballs, and flying debris.
- Fire Behavior: Hardie carries a Class A fire rating that slows flame spread. Vinyl can melt and release toxic fumes when exposed to heat — a serious safety gap.
- Color Longevity: ColorPlus Technology resists fading for 15 warranty-protected years. Vinyl often fades noticeably within about 5 years in the New England sun.
- Wind Performance: Hardie stays put through hurricane-force gusts. Vinyl panels often rip free or crack in the same storms that Cohasset sees every fall.
- Market Context: Vinyl siding holds between 38% and 41.5% of the U.S. siding market, thanks in large part to its lower up-front price — but fiber cement leads on long-term value.
Our Recommendations
Top Recommendation: Fiber cement for homeowners who plan to stay in their Cohasset home for years and want the best long-term investment.
Best for Budget Projects: Vinyl siding at an average of $18,000, though you’ll trade durability and resale value for the lower sticker price.
Best for Coastal Homes: Fiber cement, hands down — Cohasset’s coastal weather chews through vinyl far faster than inland climates.
Comparing siding options for your Cohasset project? Let Coastal Windows & Exteriors walk you through both.
Request a free James Hardie siding estimate from Coastal Windows & Exteriors.
Browse our complete siding FAQ guide from Coastal Windows & Exteriors.
Explore the Coastal Windows & Exteriors Siding Exterior Remodeling Home Improvement Help Center.
Last Updated: April 2026
Sources:
- Vinyl siding holds between 38% and 41.5% of the total U.S. siding market. Ridgeline Construction Vinyl Siding Statistics, industry data on vinyl siding market share and dominance. (2026)
- The average cost of vinyl siding in the US is $18,000. JLC Online 2025 Cost vs. Value New England, regional cost vs. value data for vinyl siding replacement. (2026)
- ROI of vinyl siding is 97%. JLC Online 2025 Cost vs. Value Report, national cost vs. value data for vinyl siding replacement projects. (2026)
