Subject	Materials Science Engineering
Specific subject area	Building acoustics; Airborne Sound insulation; Impact sound insulation; Floor constructions; Concrete floor; Timber floor;
Type of data	Table Figure
How the data were acquired	The sound insulation data of the floors were obtained in controlled laboratory conditions where the structural flanking transmission was prevented. The data describes the inherent properties of floors. The floor area was 10.2 m2. Airborne sound insulation was measured according to the ISO 10140-2 standard. Impact sound insulation was measured according to the ISO 10140-3 standard using both a tapping machine and a rubber ball. Single-number values were determined according to ISO 717-1 and ISO 717-2. Acoustic measurements were conducted using a microphone. Data are based on one-third octave band frequency analysis.
Data format	Raw
Description of data collection	The data stem from measurements of 30 wooden and 8 concrete floor constructions. The area of each floor was 10.2 m2. The floors were built and measured in a standardized sound insulation laboratory. Floor constructions represent typical constructions used in apartment buildings. Floors were designed by researchers and personnel from industry. Floors were decided and mounted by the researchers.
Data source location	Turku University of Applied Sciences Acoustics Laboratory Joukahaisenkatu 7 FI-20520 Turku Finland
Data accessibility	Repository name: Mendeley Data Data identification number: Not available Direct URL to data: https://data.mendeley.com/datasets/y83p8mpryd/2