Free Movement Floor Flatness Comparisons

Comparison table for Free Movement Specifications.

UK Concrete Society TR34 4th edition ASTM E 1155 – F Numbers DIN 18202
Flatness Levelness Datum Flatness Levelness Datum Flatness Levelness Datum
Property F Property E   FF FL   Line    
FM1 FM1 +/- 15mm 45 40 N/A 1/2 Ziele4 N/A N/A
FM2 FM2 +/- 15mm 40 35 N/A Ziele 4 N/A N/A
FM3 FM3 +/- 15mm 36 30 N/A Ziele 3 N/A N/A
FM4 FM4 +/- 15mm 32 20 N/A   N/A N/A
NotesNov-17 A direct comparison is not possible as the above specifications have different methods of data collection and analasis.
The above comparisons are not direct numerical comparisons but are based on the results of over 5 million square metres
of survey results. Only TR34 has a control to datum. DIN 18202 has no levelness control.

Measurement Standards

TR34 4th Edition

TR34 4th Edition

The Concrete Society’s TR34 Free Movement (4th Edition) Classifications

TR34 3rd Edition

TR34 3rd Edition

The Concrete Society’s TR34 Free Movement (3rd Edition) Classifications

Surface Regularity

Surface Regularity

can be checked to ‘BS 8204-2:2003+A2:2011’ straight edge specifications SR1, SR2 and SR3

Comparison table for Free Movement Specifications

Flatness Comparisons

Comparison table for Free Movement Specifications

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