The New Standard for Fire Duct Protection
Calcium silicate fireproof boards are becoming the preferred material for fire duct encasement. As professional manufacturers, we analyze the unique advantages of this material.
Why Choose Calcium Silicate Boards?https://fibercement-boards.com
- Ultra-thin design: Only half the thickness of traditional materials
- High bending strength: >12MPa flexural strength
- Lightweight: Density as low as 1.0g/cm³
- Moisture & rust proof: Eliminates metal fastener corrosion
Basement Environment Test Comparison
| Material | Condition After 3 Years | Fastener Status |
|---|---|---|
| Calcium Silicate Board | Like new | No rust |
| Magnesium Oxide Board | Surface powdering | Visible rust |
Core Technical Specifications
- Fire resistance: 90-240 minutes (customizable)
- Water content: <5%
- Thermal conductivity: 0.15W/(m·K)
- Certification: Class A non-combustible (GB8624)
Installation Advantages
✓ Easy cutting: Processable with standard tools
✓ Quick installation: 30% faster than soft materials
✓ Tight joints: Special sealing technology
✓ Low maintenance: Lifetime replacement-free
Cost-Effectiveness Analysis
Though 20% higher priced than MgO boards, consider:
- 3x longer service life
- 80% lower maintenance costs
- Zero safety hazards
Actual overall costs reduced by over 40%
Professional Installation Guide
- Surface derusting of metal ducts
- 50mm rock wool insulation layer
- Calcium silicate board cutting and encasement
- Special fireproof sealant for joints
Why Choose Us?
- 15 years specializing in fireproof materials
- GB/T9978 fire resistance certified
- 2 million m² annual production capacity
- Professional technical support team