Description
Description
The National Masonry 120 Series Concrete Grey Block is a 90-minute fire rated reduced core block designed for fire-rated wall applications in both residential and commercial construction across Melbourne and Victoria.
Key Features
- 90-minute fire rating (f'uc > 8MPa)
- Reduced core design for superior fire resistance
- 1 in 5 blocks is Universal — allows bolstering to ½ or ¾ on site
- Manufactured to Australian Standards by National Masonry VIC
Specifications
| Product Code | Product Name | Size (mm) | Weight (kg) | Per Pallet | Fire Rating | MPA | Notes |
|---|---|---|---|---|---|---|---|
| 12.01FR | Fire Rated Reduced Core | 390 × 190 × 110 | 13.4 | 120 | 90 minutes | f'uc > 8MPa | 1 in 5 = Universal (Bolster ½ or ¾) |
Where to Use
Fire-rated partition and external walls, rendered masonry walls, and commercial construction projects across Melbourne and Victoria.

