Beam & Block Flooring

Beam and Block

Longley’s Beam and Block Flooring system is quick and easy to install and comprises of 175mm deep, prestressed concrete beams installed with 100mm deep building blocks laid between them.

The Benefits

  • Easy to handle, quick to install
  • Simple all weather form of construction
  • Provides an immediate working platform
  • Draught proof, rot proof and fire resistant
  • Problems caused by ground movement are eliminated
  • Good thermal insulation
  • Available in two widths, both 175mm deep
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Prestressed Beams

Our beams are manufactured with C60 (60N/mm2 at 28 days) concrete, prestressed by means of 5mm indented steel wire. Longley beams are manufactured in fixed moulds within an enclosed factory environment, giving them a superior finish and dimensional tolerance.

Floor Blocks

The infill blocks should be 100mm thick with a compressive strength of 3.5N/mm2 or 7.0N/mm2 and be able to support a minimum transverse load of 3.5kN on a 420mm span. Where blocks are built into loadbearing walls the compressive strength must not be less than that of the blocks used in the wall construction. For garage floor applications, blocks with 7.0N/mm2 compressive strength should be used.

Grouting

The floor should be thoroughly ‘wetted’ and a 3:1 sharp sand/cement grout brushed into all joints.

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