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| Standard depth available |
150mm |
| Standard width |
900mm |
| Non-standard widths |
in 100mm increments |
| Minimum concrete strength |
40MPa |
| Mean concrete strength |
50MPa |
| Min concrete strength at 28 days |
50MPa |
| Suggested maximum span/depth ratio |
L/30 for deflection |
| Reinforcing type |
450MPa high tensile |
| Minimum bearings |
On brickwork 60mm
On concrete beams 60mm
On steel beams 60mm |
| Fire rating |
1 Hour standard
Higher ratings are possible when a 30MPa structural topping is applied |
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