What to Compare
Compare James Hardie and LP SmartSide using material, florida moisture resistance, termite resistance. Check the exact product or local service proposal, then request matching written terms before choosing for your Florida home. Use the differences below to identify the questions that matter for your project.
Head-to-Head Breakdown
James Hardie
Features and considerations
- Fiber cement is non-combustible — critical for Florida wildfire interface zones
- Impact resistant — tested for Category 4 wind-driven rain
- Pest resistant — termites cannot eat fiber cement
LP SmartSide
Features and considerations
- SmartGuard zinc borate treatment resists fungal decay and termite attack
- Available in wide range of profiles and textures
Limits and questions
- Less fire resistance than fiber cement
Side-by-Side Comparison
| James Hardie | LP SmartSide | |
|---|---|---|
| Material | Fiber cement (cement + sand + cellulose) | Engineered wood (wood fiber + binders) |
| Florida moisture resistance | Ask for evidence for the exact James Hardie product or local service; match it to your project conditions. | Ask for evidence for the exact LP SmartSide product or local service; match it to your project conditions. |
| Termite resistance | Full (termites cannot eat cement) | Ask for evidence for the exact LP SmartSide product or local service; match it to your project conditions. |
| Fire resistance | Non-combustible | Class 1B (treated, not non-combustible) |
| Installed cost per sq ft (FL) | Request an itemized quote for James Hardie; compare the same scope and payment period. | Request an itemized quote for LP SmartSide; compare the same scope and payment period. |
| Weight per sq ft | Ask the James Hardie provider to document weight per sq ft for the exact offer. | Ask the LP SmartSide provider to document weight per sq ft for the exact offer. |
| Paint warranty | Ask the James Hardie provider to document current quote and terms for the exact offer. | Ask the LP SmartSide provider to document current quote and terms for the exact offer. |
| Best for coastal Florida | Ask the James Hardie provider to document current quote and terms for the exact offer. | Ask the LP SmartSide provider to document current quote and terms for the exact offer. |
Frequently Asked Questions
Which siding holds up better in Florida's heat and humidity?
Compare James Hardie and LP SmartSide on material, florida moisture resistance, termite resistance, using the actual models or local proposals. Ask for supporting documentation and a written explanation of how the proposed option meets your needs.
How does Florida's hurricane building code affect siding choice?
Both James Hardie and LP SmartSide meet Florida Building Code requirements for impact resistance, but installation method matters significantly. For homes in the High-Velocity Hurricane Zone (Broward, Miami-Dade, Monroe counties), fiber cement with proper furring strips and approved fastener patterns is more commonly specified.
How long does fiber cement siding last in Florida?
Ask each provider to give a written expectation for the exact James Hardie and LP SmartSide product or service being proposed. Clarify preparation, site conditions, maintenance and exclusions that could affect the result or schedule.
Consumer resources
Use these official resources when evaluating an offer. They provide general guidance and do not establish a winner between these options.
- FTC: checking home-repair offers and written agreements — General consumer guidance; not evidence of either brand's price or performance.