Rib & block slabs remains the most cost effective solution for suspended flooring.
Through innovative design we can offer our clients the versatility for irregular shapes, excellent structural integrity and improved sound and heat insulation. These benefits together with ease and speed of erection offer substantial savings over in-situ slabs.


Prestressed Ribs

  • Normal size : 150 x 58 mm
  • Mass 21.00 kg/m
  • Concrete strength at transfer 25MPA, Ult.40 MPA @ 28 days

Concrete Hollow Blocks

  • Standard hollow block widths 440mm
  • All orders are supplied with required quantity of closed ends.
  • Extra quantities are supplied for breakage
  • Anti-crack weld mesh supplied with 12% allowance for overlap

Reinforcing Steel

  • Y10 reinforcing bars are supplied in straight lengths for all stiffener ribs

Design Parameters

  • In situ concrete 25 MPa @ 28 days
  • Prestressed wires 5.00mm diameter 1700 MPa
  • Temporary support under stiffener ribs as detailed on drawings (Maximum 1500mm)

  • It’s versatility
  • Cost effective
  • Excellent structural integrity
  • Factory controlled quality product
  • Ease of erection
  • Does not require skilled labour
  • Excellent finishing
  • Reduction in the use of form work and scaffolding
  • Flexibility
  • Electrical and plumbing services can easily be accommodated
  • Excellent insulation from heat, cold and sound
  • Lightweight
  • Deflection reduced to pre-stressing
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