ISO 717-2:2020
Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation

Standard No.

ISO 717-2:2020

Release Date

2020

Published By

International Organization for Standardization (ISO)

Latest

ISO 717-2:2020

Scope

This document a) defines single-number quantities for impact sound insulation in buildings and of floors, c) defines single-number quantities for the impact sound reduction of floor coverings and floating floors calculated from the results of measurements carried out in accordance with ISO 10140-3, and b) gives rules for determining these quantities from the results of measurements carried out in one-third-octave bands in accordance with ISO 10140-3 and ISO 16283-2, and in octave bands in accordance with that option in ISO 16283-2 for field measurements only, d) specifies a procedure for evaluating the weighted reduction in impact sound pressure level by floor coverings on lightweight floors. The single-number quantities in accordance with this document are intended for rating impact sound insulation and for simplifying the formulation of acoustical requirements in building codes. An additional single-number evaluation in steps of 0,1 dB is indicated where it is needed for the expression of uncertainty (except for spectrum adaptation terms). Numerical values of the single-number quantities are specified where required for calculations. The rating of measurements over an enlarged frequency range is given in Annex A. A method for obtaining single-number quantities for bare heavy floors according to their performance in combination with floor coverings is given in Annex B. Example calculations of single-number quantities are given in Annex C. The rating of measurements with a heavy and soft impact source (rubber ball) is given in Annex D.

ISO 717-2:2020 Referenced Document

• ISO 10140-1 Acoustics — Laboratory measurement of sound insulation of building elements — Part 1: Application rules for specific products*， 2021-05-06 Update
• ISO 10140-3:2010 Acoustics - Laboratory measurement of sound insulation of building elements - Part 3: Measurement of impact sound insulation
• ISO 10140-5 Acoustics - Laboratory measurement of sound insulation of building elements - Part 5: Requirements for test facilities and equipment*， 2021-03-31 Update
• ISO 12999-1 Acoustics — Determination and application of measurement uncertainties in building acoustics — Part 1: Sound insulation
• ISO 16283-2:2018 Acoustics - Field measurement of sound insulation in buildings and of building elements - Part 2: Impact sound insulation

ISO 717-2:2020 history

• 2020 ISO 717-2:2020 Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation
• 2013 ISO 717-2:2013 Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation
• 2006 ISO 717-2:1996/Amd 1:2006 Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation; Amendment 1
• 1996 ISO 717-2:1996 Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation
• 1982 ISO 717-2:1982 Acoustics; Rating of sound insulation in buildings and of building elements; Part 2 : Impact sound insulation