The acoustic behaviour of spaces, building elements and equipment are subject to national regulations under the building acoustics requirements code (RRAE) and the general noise regulations (RGR).
| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| ACL.07 | Determination of airflow resistance | ISO 9053-1:2018 | Porous materials used in acoustical applications | Method A - Static airflow method | |
| ACL.08 | Laboratory measurement of airborne sound insulation, Dn,e,w | ISO 10140-1:2021; ISO 10140-2:2021; ISO 10140-4:2021; ISO 717-1:2020 | Building elements of small dimensions | ||
| ACL.09 | Laboratory measurement of flanking transmission for airborne sound between adjoining rooms, Dn,f,w | ISO 10848-1:2017; ISO 10848-2:2017; ISO 717-1:2020 | |||
| ACL.10 | Laboratory measurement of flanking transmission for impact sound between adjoining rooms, Ln,f,w | ISO 10848-1:2017; ISO 10848-2:2017; ISO 717-2:2020 | |||
| ACL.11 | Determination of sound absorption in an impedance tube - Transfer-function method. | ISO 10534-2:2023 | Construction products | Range: 100 Hz to 6300 Hz | |
| ACL.12 | Estimate of airborne sound insulation index of windows, Rw | EN 14351-1:2006+A2:2016 (Annex B) | Windows | Calculation | |
| ACL.13 | Determination of sound transmission loss in an impedance tube | Internal procedure | |||
| ACL.14 | Laboratory measurement of noise emitted by inlet valves used in water supply installations | ISO 3822-1:1999, ISO 3822-1:1999/Amd1:2008 | Inlet valves used in water supply installations | ||
| ACL.15 | Laboratory test: Acoustic intensimetry | Internal procedure | Construction elements; machinery and equipment | ||
| ACL.16 | Laboratory test: Determination of sound power level of noise sources using sound pressure - precision method for hemi-anechoic rooms | ISO 3745:2012; ISO 3745:2012/Amd1::2017 | Noise Sources | ||
| ACL.17 | Laboratory test: Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (hemi-anechoic chamber) | ISO 3744:2010 | Noise of machinery and equipment | ||
| ACL.17.02 | Determination of sound power levels of noise sources using sound pressure - Engineering Method | ISO 3744:2010; Annex III of Portuguese Decree-Law 221/2006 | Noise of machinery and equipment | ||
| ACL.18 | Laboratory measurement of airborne sound transmission loss, TL (only applicable to building facade specimens including walls, doors, windows, and combinations thereof) | Test procedure adapted from standards ASTM E90-23; ASTM E2235-04, ASTM E413-22 and ASTM E1332-22 | Construction products | ||
| ACL.19 | Laboratory test: Determination of sound power level of noise using sound pressure - Survey method using an eveloping measurement surface over a reflecting plane (in a hemi-anechoic chamber) | ISO 3746:2010 | Noise of machinery and equipment | ||
| ACL.19.02 | Determination of the sound power level of noise using sound pressure - Survey method using an eveloping measurement surface over a reflecting plane | ISO 3746:2010 | Noise of machinery and equipment |