Sikacrete 213 FMY – Fire Protection Mortar
What is Sikacrete 213 FMY?
Sikacrete®-213 FMY is a fire-resistant mortar designed to protect tunnels, industrial buildings, and high-risk areas from extreme heat. This cement-based, lightweight mortar is applied using a spray system, ensuring easy application and strong adhesion to concrete and steel.
The phyllosilicate aggregates in Sikacrete®-213 FMY enhance fire resistance and help structures withstand high temperatures during a fire.
Why Use Sikacrete 213 FMY?
Fire can cause serious structural damage, especially in tunnels, basements, and factories. Sikacrete®-213 FMY helps prevent structural failure by providing up to 4 hours of fire resistance.
Key Benefits:
✅ Up to 4 hours of fire protection (depending on thickness)
✅ Lightweight and easy to spray for quick installation
✅ Strong adhesion to both concrete and steel surfaces
✅ High durability for long-term fire resistance
✅ Effective thermal insulation to reduce heat damage
✅ Low shrinkage, minimizing cracks over time
Where Can You Use Sikacrete 213 FMY?
This fire-resistant mortar is ideal for high-risk environments, including:
✔ Tunnels – Shields concrete and steel from fire damage.
✔ Underground Facilities – Subway systems, basements, and parking areas.
✔ Industrial Buildings – Factories, plants, and warehouses with high fire risks.
✔ Power Plants & Chemical Facilities – Critical fire protection for infrastructure.
✔ Oil & Gas Refineries – Helps prevent fire-related structural failures.
Technical Specifications
| Property | Details |
|---|---|
| Color | Grey powder |
| Density | Before mixing: ~0.57 kg/L |
| After spraying (wet): ~1.2 kg/L | |
| After drying (28 days): ~0.6 kg/L | |
| Compressive Strength | ~2.0 N/mm² |
| Thermal Conductivity | ~0.23 W/m·K (@ +10°C) |
| Recommended Thickness | Without reinforcement: Min. 15mm |
| With reinforcement: Min. 25mm | |
| Consumption | ~6 kg per m² (for 10mm thickness) |
How to Apply Sikacrete 213 FMY?
Step 1: Surface Preparation
Before applying, make sure the surface is:
✔ Clean – Free from dust, oil, or loose materials.
✔ Stable – No cracks or weak points.
✔ Dry or slightly damp – No standing water.
Step 2: Mixing
- Use clean water to mix Sikacrete 213 FMY.
- Follow the recommended water-to-mortar ratio.
- Mix until the mortar is smooth and lump-free using a mechanical mixer.
Step 3: Application
- Apply using wet-spray equipment for even thickness.
- Maintain a spray distance of 450–600mm from the surface.
- Apply in layers until the required thickness is reached.
- Allow each layer to set before applying the next.
Step 4: Finishing & Cleaning
- Smooth the surface if necessary.
- Clean tools immediately with water.
- If the mortar hardens on tools, remove it mechanically.
Packing Details & Storage
| Packing Size | Description |
|---|---|
| Bag Size | 9kg per bag |
| Shelf Life | 12 months from production date |
| Storage Conditions | Store in a cool, dry place |
Q&A – Frequently Asked Questions
1. How long does Sikacrete®-213 FMY provide fire resistance?
It can provide up to 4 hours of fire resistance, depending on the thickness applied.
2. Can I apply this mortar without spray equipment?
It is designed for spray application, but manual application is possible for small areas. Spraying ensures better adhesion and uniform thickness.
3. Is Sikacrete®-213 FMY suitable for outdoor use?
Yes, but it should be protected from direct rain. It is best suited for indoor and enclosed spaces.
4. How thick should I apply the mortar?
- Without reinforcement: Minimum 15mm
- With reinforcement: Minimum 25mm
- The exact thickness depends on fire protection requirements.
5. Can Sikacrete®-213 FMY be painted over?
Yes, once fully cured, you can apply a protective coating or paint.
6. Does it shrink or crack over time?
It has low shrinkage, reducing the risk of cracking. Proper application and curing ensure long-lasting performance.
7. Is it safe to use in confined spaces?
Yes, but ensure proper ventilation during application. Always wear protective gear (gloves, mask, goggles).
8. How do I clean up after application?
- Wash tools with water immediately after use.
- If mortar dries, remove it mechanically.
Conclusion
Sikacrete®-213 FMY is an advanced fire protection mortar that provides up to 4 hours of fire resistance. Its lightweight, easy spray application and excellent adhesion make it ideal for tunnels, industrial sites, and underground structures.
For bulk orders or expert advice, visit Sika Malaysia’s official website or contact an authorized distributor.
