Dyfed Steels South-West 01884 266930

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Open Steel Flooring

Open Steel Flooring devon

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.

Flooring can be supplied in a number of configurations:

  • Standard - Bearer bar spacing is 40 or 41mm with the transverse bars at 100mm.
  • Narrow - Bearer bar spacing is 30 or 31mm with the transverse bars at 100mm.
  • Square - Bearer bar spacing is 30 or 41mm with the transverse bars at 38 to 50mm.

 

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

 

 

Bearer Bar
  

Weight - shown in kg/m2 Maximum Clear Span - shown in millimetres
   3kN/m2  5kN/m2  7.5kN/m2
Narrow Standard Square Narrow Standard Square Narrow Standard Square Narrow Standard Square
 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  -  46.7  -  -  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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