National Masonry 120 Series Concrete Grey Block & Brick | Fire Rated

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.