ArmaProtect™ MM20
ArmaProtect™ MM20 is a high-performance, fibre-free dry firestop mortar engineered to restore and maintain the fire resistance performance of walls and floors with service penetrations. Formulated as a cement-based compound, it offers high structural stability and exceptional fire protection for mixed-service openings in commercial, industrial, and residential buildings.
Key Features & Benefits
- Non-Combustible (Class A1): Provides maximum fire protection with a Class A1 reaction to fire classification according to EN 13501-1.
- Fibre-Free Formulation: Safe and clean to mix and apply, reducing environmental and airborne particle risks during handling.
- High Load-Bearing Capacity: Features M20 pressure resistance and high density (~1.75 kg/dm³ cured), ideal for heavy-duty floor and wall seals.
- Versatile Mixed Penetration Sealing: Excellent adhesion for single cables, cable bundles, trays, combustible/non-combustible pipes, and busbars.
- Third-Party Certified: Fully tested and compliant with international standards, including UL 1479 (ASTM E814).
Technical Specifications Summary
| Feature | Technical Data |
|---|---|
| Material Base | Cement-based dry firestop mortar |
| Color | Grey |
| Packaging | 25 kg bag |
| Yield | 25 kg dry powder + 4.0–5.0 L water ≈ 15–18 L wet/hardened mortar |
| Cured Density | 1.75 KG/DM3 ± 10 % |
| Pressure Resistance | M20 |
Primary Applications
- Sealing medium-to-large floor and wall openings with multiple utility penetrations.
- Mixed penetration seals (combining cables, cable trays, conduits, and piping).
- Restoring compartmentation in solid wall or concrete floor structures.
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