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 analysis. 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. |
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Measurement Standards
TR34 4th Edition
The Concrete Society’s TR34 Free Movement (4th Edition) Classifications
(Current Version)
Surface Regularity
can be checked to ‘BS 8204-2:2003+A2:2011’ straight edge specifications SR1, SR2 and SR3
Flatness Comparisons
Comparison table for Free Movement Specifications
TR34 3rd Edition
The Concrete Society’s TR34 Free Movement (3rd Edition) Classifications
(Previous Version)*
* The Concrete Society’s TR34 3rd edition was superseded by the 4th Edition in August 2013.
