Hardie® Siding Calculator
Calculate HardiePlank, HardieShingle & HardiePanel materials for your project. Get instant plank counts, trim needs, and cost estimates.
1Select Hardie Product
ColorPlus® is factory-applied, baked-on color with 15-year fade resistance warranty.
2Wall Measurements
3Additional Options
Typical range: $4-8/sq ft for fiber cement installation
Your Estimate
Siding Materials
Trim
Accessories
Estimated Costs
Hardie siding estimates for Myrtle Beach homes
Turn the calculator result into a real siding decision
The calculator gives you a planning number. A Myrtle Beach siding quote still has to confirm wall condition, removal, flashing, trim, coastal exposure, and whether Hardie, vinyl, or another exterior system is the right fit.
Hidden wall condition
Old siding, sheathing softness, house wrap, flashing, and moisture damage can move the real quote beyond a calculator result.
Hardie vs vinyl
Vinyl can win on upfront price. Hardie usually wins when salt air, heat, fire resistance, wind exposure, and longer ownership matter.
Trim and finish choices
ColorPlus, wider trim, gable accents, board-and-batten panels, and complex openings often drive the difference between bids.
Compare local installed pricing by product, finish, home size, trim, and coastal installation factor.
Siding replacement costSee how vinyl, Hardie, LP SmartSide, stucco removal, sheathing repair, and full exterior replacement compare.
Siding installation serviceMove from a calculator result to a Myrtle Beach siding inspection, scope, and installation estimate.
Understanding Hardie® Fiber Cement Siding
James Hardie® fiber cement siding is the #1 brand of siding in America, installed on over 8 million homes. It's specifically engineered for climate-specific performance, with HardieZone® products designed for humid, coastal conditions like those in Myrtle Beach, SC.
Why Choose Hardie® Siding?
Superior Durability
- • Non-combustible (Class A fire rating)
- • Resistant to termites and pests
- • Won't rot, warp, or crack
- • Resists hurricane-force winds
- • 30-50 year lifespan with minimal maintenance
ColorPlus® Technology
- • Factory-applied, baked-on color
- • Resists fading, cracking, and peeling
- • 15-year color warranty
- • Multiple coats for lasting finish
- • Over 700 colors available
Hardie® Product Comparison
| Product | Coverage | Best For | Price Range |
|---|---|---|---|
| HardiePlank® Lap | 7.5 sq ft/plank | Most homes, traditional look | $12-17/plank |
| HardieShingle® | 2.3 sq ft/panel | Gables, accent areas, cottage style | $8-12/panel |
| HardiePanel® | 40 sq ft/panel | Modern, vertical, commercial | $42-60/panel |
| HardieTrim® | 12 ft/piece | Windows, corners, fascia | $1.50-4.50/ft |
Coastal Climate Considerations
For Myrtle Beach and coastal SC, Hardie® products are engineered with HardieZone® technology for humid, salt-air environments. This includes moisture-resistant formulations that won't deteriorate in our subtropical climate. Vinyl may fade and become brittle, but fiber cement maintains its integrity for decades.
Hardie® Siding FAQs
How many HardiePlank planks do I need per 100 square feet?
For standard HardiePlank® lap siding with 7.5" exposure, you need approximately 13-15 planks per 100 square feet (1 square). Each 12-foot plank covers about 7.5 square feet. Our calculator automatically factors in 10% waste for cutting.
Is Hardie siding worth the extra cost vs vinyl?
Yes, for most homeowners. While Hardie costs 2-3x more than vinyl ($7-12/sq ft installed vs $4-7), it offers superior durability (50+ years vs 20-30), fire resistance, better resale value, and authentic wood appearance. In coastal areas, it resists salt air damage better than vinyl.
What is the difference between primed and ColorPlus Hardie?
Primed Hardie comes with a primer coating and requires on-site painting ($1-3/sq ft additional). ColorPlus® is factory-finished with baked-on paint that resists fading for 15 years. ColorPlus costs $4-5 more per plank but eliminates painting labor and provides superior finish quality.
How long does Hardie siding installation take?
A typical 2,000 sq ft home takes 5-10 days for experienced crews. HardiePlank® is heavier than vinyl (about 2.3 lbs/sq ft) and requires specific fastening patterns, so installation takes longer but ensures decades of performance.
Does Hardie siding need maintenance?
Minimal maintenance. ColorPlus® products need occasional cleaning with mild soap and water. Primed and painted Hardie may need repainting every 15-20 years. Unlike wood, it never needs scraping, doesn't rot, and resists insect damage. Caulk joints should be inspected annually.
Can Hardie siding be installed over existing siding?
While possible in some cases, James Hardie recommends removing old siding for best results. This allows inspection for hidden damage, proper water barrier installation, and ensures a flat surface for fiber cement. Removing old siding adds $1-2/sq ft but is worth it for long-term performance.
What should I do after using the Hardie siding calculator?
Use the estimate as a planning range, then compare local siding cost guides and request a site visit. A real quote should confirm wall condition, removal needs, moisture barrier details, trim complexity, finish choice, and whether Hardie or vinyl makes more sense for your home.
Hardie Siding Cost Guides
2026 pricing by style, home size, and coastal factors
Compare Hardie vs VinylHead-to-head comparison for coastal SC homes
Full Siding Replacement CostsVinyl, Hardie, sheathing, removal, and trim pricing
Siding Installation ServiceLocal exterior replacement help in Myrtle Beach
Ready for Premium Fiber Cement Siding?
Get a Myrtle Beach siding estimate that checks wall condition, trim, moisture barriers, finish options, and installation scope before you commit to Hardie, vinyl, or full exterior replacement.