Fiber Cement Board vs Fiber-Reinforced Calcium Silicate Board: Key Differences & Applications
When choosing between these two premium building materials, understanding their composition and performance characteristics is crucial for optimal project selection.
1. Material Composition
| Feature | Fiber Cement Board | Fiber-Reinforced Calcium Silicate Board |
|---|---|---|
| Base Material | Cement | Silica & calcium compounds |
| Reinforcement | Organic/inorganic fibers | Fibers |
| Formation Process | Physical mixing (cement + fibers) | Chemical reaction (forms tobermorite) |
| Curing Method | Natural or autoclave curing | Must be autoclave cured |
2. Key Specifications
| Fiber Cement Board | Fiber-Reinforced Calcium Silicate Board | |
|---|---|---|
| Standard | JC/T 412.1 (asbestos-free) | JC/T 564.1 (asbestos-free) |
| Density | High density | Lightweight |
| Strength | High compressive strength | Moderate strength |
| Weather Resistance | Excellent | Good |
| Thermal Performance | Standard | Superior insulation |
| Heat Resistance | Good | Excellent (anti-deformation) |
3. Primary Applications
Fiber Cement Board:
✔ Exterior curtain walls
✔ Outdoor walkways/decking
✔ High-weather resistance scenarios
✔ Structural applications requiring durability
Fiber-Reinforced Calcium Silicate Board:
✔ Indoor fire-rated partitions
✔ Ceiling systems
✔ Thermal insulation applications
✔ Environments requiring heat deformation resistance
4. Shared Advantages
- Class A fire rating
- Water/moisture resistance
- Eco-friendly & non-toxic
- Mold & pest resistant
5. Selection Guidelines
Choose Fiber Cement Board When You Need:
- Outdoor durability
- High load-bearing capacity
- Superior weather resistance
Choose Calcium Silicate Board When You Need:
- Lightweight interior solutions
- Enhanced thermal insulation
- High-temperature stability