National Masonry 100 Series Concrete Grey Block

The National Masonry 100 Series Concrete Grey Block is a versatile masonry block used for internal and external walls in residential and commercial construction. Available in Hollow (60-minute fire rated) and Fire Rated Solid configurations, the 100 Series suits a wide range of structural and non-structural applications across Melbourne and Victoria. Key Features Hollow Series: 60-minute fire rating (f'uc ≥ 10MPa) Fire Rated Solid Series: 60-minute fire rating (f'uc ≥ 8MPa) Manufactured using recycled fly ash for a lightweight, high strength product Available in Standard, Three Quarter, Half, Quarter and Half Height sizes Manufactured to Australian Standards by National Masonry VIC Specifications Product Code Description Size (mm) Weight (kg) Per Pallet Fire Rating MPA 10.01AG Standard 390 × 190 × 90 11.1 149 FRL = 60 f'uc ≥ 10MPa 10.02AG Three Quarters 290 × 190 × 90 8.7 192 FRL = 60 f'uc ≥ 10MPa 10.03AG Half 190 × 190 × 90 5.5 252 FRL = 60 f'uc ≥ 10MPa 10.12AG Bond Beam 390 × 190 × 90 10.1 108 FRL = 60 f'uc ≥ 10MPa 10.71AG Standard Half Height 390 × 90 × 90 5.6 300 FRL = 60 f'uc ≥ 10MPa 10.201AG Back-up Hollow 390 × 162 × 90 10.1 172 FRL = 60 f'uc ≥ 10MPa 10.31FR Fire Rated Solid 390 × 190 × 90 11.6 139 FRL = 60 f'uc ≥ 8MPa 10.32FR Fire Rated Solid Three Quarter 290 × 190 × 90 10.2 192 FRL = 60 f'uc ≥ 8MPa 10.33FR Fire Rated Solid Half Length 190 × 190 × 90 6.8 252 FRL = 60 f'uc ≥ 8MPa 10.34FR Fire Rated Solid Quarter Length 90 × 190 × 90 3.3 504 FRL = 60 f'uc ≥ 8MPa Where to Use Internal and external residential walls, partition walls, fire-rated walls, and light commercial construction across Melbourne and Victoria.