MEGA BLOK catalogue
Block B30
Choose a preliminary code. The final selection depends on the application, project conditions and approved documentation.
| Type | Modular block |
| Length × width × height | 1500 × 300 × 600 mm |
| Dimensional tolerances | D1: +3 / −5 mm |
| Class and exposure | C25/30 · XC1; XC2 C30/37 · XC1; XC2; XC3; XC4; XD1; XD2; XF1; XA1; XM1 |
| Standard referenced in the data sheet | PN-EN 771-3+A1:2015-10; EN 1996-1-1; EN 998-2, zał. C; PN-EN 1996-1-1+A1:2013 |
| Reaction to fire / fire resistance | A1 / REI 240 |
| Data sheet and drawing | Technical data sheet (PDF) Drawing (PDF) |
| Price and availability | In an individual quotation |
Parameters from the PDF data sheet. Concrete class and application must suit the project. REI 240 is stated in the sheet; classification conditions require the corresponding document.
The drawing caption differs from the sheet table.
Full properties from the PDF sheet
| Element group / strength category | 1 / II |
|---|---|
| Characteristic compressive strength | C25/30 · ≥ 30 N/mm²; C30/37 · ≥ 37 N/mm² |
| Sample type stated in the sheet | Cube specimen 15×15×15 |
| Test direction | Perpendicular to the bearing faces |
| Shape and structure | Aggregate concrete masonry unit with a tongue-and-groove system; as shown in the drawing. |
| Dimensional stability under moisture | ≤ 0.35 mm/m |
| Initial shear strength of the joint | GPM: 0.15 N/mm² |
| Joint flexural strength — perpendicular / parallel | 0.4 / 0.1 N/mm² |
| Water vapour diffusion resistance µ | 5/15 |
| Dry gross density | 2150–2350 kg/m³ |
| Thermal conductivity λ10dry,unit | 1.45 W/(m·K) |
| Hazardous substances | None according to the sheet |
Joint values apply to the conditions stated in the sheet, not to every mortarless assembly. The sheet gives density, without a numerical sound insulation rating.
The enquiry summary is neither a quotation nor an order.