ASTM (FF/FL)

International Standard for Quantifying Floor Surface Quality (ASTM FF/FL)

The ASTM E1155 methodology establishes a globally accepted framework for evaluating concrete floor performance through measurable and comparable parameters. By analysing both local surface irregularities and overall elevation variations, this system provides a precise understanding of floor behavior under operational conditions. It enables engineers and project stakeholders to assess surface quality with objective data, ensuring compliance with performance requirements and long-term usability.

How FF and FL Values Define Floor Performance

FF (Floor Flatness) focuses on short-range surface variations such as bumps and dips, directly influencing ride quality and equipment vibration. FL (Floor Levelness), on the other hand, evaluates long-range elevation differences, ensuring proper alignment and stability across the floor surface.

FF represents local smoothness of the surface
FL defines overall level consistency
Measurements are taken at fixed intervals for accuracy
Higher values indicate superior floor performance
Supports safe and efficient equipment operation
Provides a reliable benchmark for quality control

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Perfector is a pioneer and specialist in global floor technologies. In 1989, we started our journey by providing small-scale manual floor sanding services and have made significant progress in the field of floor smoothing and sanding.

International Standard for Quantifying Floor Surface Quality (ASTM FF/FL)

How FF and FL Values Define Floor Performance

FF (Floor Flatness) focuses on short-range surface variations such as bumps and dips, directly influencing ride quality and equipment vibration. FL (Floor Levelness), on the other hand, evaluates long-range elevation differences, ensuring proper alignment and stability across the floor surface.

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