Table 1: Measurement Standards
|Free Movement Floors
|Defined Traffic Floors
|UK and areas of UK influence
|Concrete Society’s Technical Report 34 (TR34 4th Ed) Free Movement Specification Table 3.1
|Concrete Society’s Technical Report 34 (TR34 4th Ed) Defined Movement Specification Table 3.2
|USA and areas of American Influence
|ASTM F-Number system
|The ACI F-min number system
|DIN 18202, TR34 4th Ed Free Movement Specification Table 3.1
|DIN 15185, EN 15620:2008*, TR34 4th Ed Defined Movement Specification Table 3.2
|VDMA Guideline, DIN 15185, EN 15620:2008*
Measurement standards for floor flatness tolerances have only been developed to any degree of sophistication in the US, UK and Germany.
There is considerable commonality between the US and UK floor flatness standards, which are found in use throughout the world. This is unsurprising, as FACE is the common link and it is no coincidence that the designation F is found in the US standard. The higher the F-Number, the higher the floor tolerance is and the flatter and more level the floor.
The German DIN standard is unlikely to be encountered outside of Germany and some other parts of Europe.
The decision on which flatness specification to choose is usually dependent on the country of origin and there are four main floor flatness specifications used internationally.
The Full Technical data can be viewed by clicking on the relevant specifications within Table 1.* Replaced 2021. New version has no flatness requirement.
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