Laboratory for measuring the sound generated by rainfall on building components

Laboratory measurement of sound generated by rainfall on building elements for the purpose of evaluating the noise generated by rainfall; comparing the rain sound insulation of building elements and for designing building elements with appropriate rain sound insulation properties…

Content overview Test method Laboratory measurement of sound generated by rainfall on building elements

Test method name: Acoustics – Laboratory measurement of sound generated by rainfall on building elements

Test method:

ISO 140-18:2006: Acoustics – Measurement of sound insulation in buildings and of building elements – Part 18: Laboratory measurement of sound generated by rainfall on building elements[1].

Performed at: Laboratory.

1. Objectives, test objects & testing laboratory

1.1. Test objectives

ISO 140-18:2006 specifies a laboratory method to measure the impact sound insulation of roofs, roof/ceiling systems, and skylights excited by artificial rainfall. The results obtained can be used to evaluate the noise generated by rainfall on a given building element in a room or space below. The results can also be used to compare the rain sound insulation of building elements and to design building elements with appropriate rain sound insulation properties.

ISO 140-18:2006 is based on measurements with artificial raindrops under controlled conditions using a water basin in a laboratory test facility, in which flanking sound transmission is suppressed. Measurements using real rain, although a useful means for validation purposes, are not included due to the variable, unpredictable, and intermittent nature of real rain. Other mechanical simulation methods currently studied by researchers are not yet fully developed to adequately simulate real rain in both sound level and generated spectrum.

1.2. Test objects

3 main test objects of the standard

• Roof systems
• Verandas, apartment porch awnings
• Skylight systems

1.3. Standard laboratory equipment

2. Test procedure

This section describes the types of artificial rain for measurements and the artificial raindrop generation system.

2.1. Implementation steps:

+ Artificial rain

+ Artificial rain generation system

+ Sound intensity determination

+ Background noise level conditions

2.2. Data processing and reporting

Role – importance of the Test Method Laboratory measurement of sound generated by rainfall on building elements

The test method Laboratory measurement of sound generated by rainfall on building elements performed by the DASM Institute helps provide useful information, meeting all practical needs of customers and businesses wishing to:

• Evaluate the noise generated by rainfall on a given building element in a room or space below.
• Compare the rain sound insulation of building elements and to design buildings with elements possessing appropriate rain sound insulation properties.
• Proactively control noise effectively, optimize… for building elements.

If previously you had certain concerns, worries, and had to spend multiple fees for similar activities abroad, now you only need to contact DASM. The entire remaining process will be proactively handled by us as a complete package in the fastest time to enhance customer experience regarding us: DASM provides acoustic consulting services with truly superior quality, most competitive prices in the industry along with dedicated and attentive customer care policies.

Significance of acoustic testing services at DASM

Today's globalized commercial life opens up countless new markets and sources of supply across five continents. Accompanied by it are international regulations and standards that help customers easily evaluate quality – trace product origin, choose suitable/superior items. In particular, they support manufacturers to continuously improve and perfect technology, techniques, raw materials, production methods, sales… etc…

The DASM Institute is a pioneering, comprehensive, professional, and leading prestigious brand in Vietnam in the field of acoustics. On January 12, 2023, DASM was granted certificate No. 114/TĐC – HCHQ by the Directorate for Standards, Metrology and Quality (Ministry of Science and Technology), certifying registered multi-sector testing operations in the Mechanical-Physical field (registration number: 707/TN – TĐC).

Our acoustic testing services provide customers with practical professional results to meet sustainability, standard performance, optimal solutions – consulting – design adjustments… for products and services. From there, you will update, meet, and adapt to constantly changing international standards to achieve breakthroughs in revenue, profit, and elevate your brand.

Customers wishing to perform Laboratory measurement of sound generated by rainfall on building elements please contact via Hotline for detailed consultation!