We stock open bar steel flooring in the sizes shown below

For supply as:

  • Full 6m x 1m mats
  • Cut to size for you to fabricate
  • Fully fabricated to your drawings
  • A number of other sizes can be supplied to order

We also supply:

  • Universal holding down clips
  • Pyramid anti-slip nosing
  • Expanded Metal Walkways
    For more details, please ask to see our Expanded Metals brochure

Flooring can be supplied in a number of configuarations:
Standard Bearer bar spacing is 40 or 41mm with the transverse bars at 100mm
Narrow Bearer bar spacing is 30 or 33mm with the transverse bars at 100mm
Square Bearer bar spacing is 30 or 41mm with the transverse bars at 30 to 50mm

Load Application
3kN/m2 Access limited to one person
5kN/m2 Two way pedestrial traffic
7.5kN/m2 High density pedestrian traffic

The following are the typical clear spans that will give a deflection of less than 10mm or 1/200th of the span as defined in BS 4592 and BS 5950 when subject to the uniformly distributed loads shown below. For critical applications please ask for the relevant technical sheets.

Bearer Bar Weight Maximum clear span
3kN/m2
Maximum clear span
5kN/m2
Maximum clear span
7.5kN/m2
  narrow standard square narrow standard square narrow standard square narrow standard square
  kg/m2 kg/m2 kg/m2 mm mm mm mm mm mm mm mm mm
20x3 - 15.0 - - 1090 - - 920 - - 800 -
25x3 20.5 17.5 20.0 1675 1565 1600 1335 1212 1305 1090 989 1054
25x5 33.4 28.5 33.0 2000 1707 1970 1598 1322 1570 1330 1080 1320
30x3 24.0 20.6 23.6 2069 1878 2000 1602 1454 1580 1308 1187 1295
30x5 39.5 33.6 38.8 2410 2049 2390 1963 1587 1950 1602 1296 1580
35x3 - 29.7 - - 1900 - - 1600 - - 1400 -
35x5 - 39.0 - - 2190 - - 1900 - - 1675 -
40x3 - 26.7 - - 2504 - - 1939 - - 1582 -
40x5 - 43.6 - - 2732 - - 2116 - - 1728 -
Clear span is the unsupported distance between the supporting steelwork. Allow at least 30mm support on either side. For galvanised weights add 8%.

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