What is Sound Insulation Testing?

Proper Way of Sound Insulation Testing

Before delving into Sound Insulation Testing, it is important to clear the concept of Sound Insulation itself. It is a way of measuring the sound which ceases due to an obstacle. In most cases, the obstacles are partition walls. It is possible to get a measurement of the sound reduction index inside the transmission suite. It comprises of multiple adjoining reverberant rooms. A measurement is taken of the contrast between the degree of sound in the source and receiver room. During this time, it is important to consider the properties of the receiver room by calculating it.

It’s Necessity:

No one performs a test in their home unless it is actually needed. Sound Insulation Testing is usually a requirement at the time of converting a building into flats. It means that, there has been a material change of use. Another case involves the building being constructed to be a purpose built flat for instance, New Build. As part of the Approved Document E of the Building Regulation, it is important for the Party Walls and Floors to have sound testing done for proving compliance having a criteria. This criteria is determined as part of a document table.

In the case of airborne walls, it is a necessity to perform Sound Testing. In such a case, it is a must to gain entry to each side of the Party Wall. It needs to be done for carrying out the sound testing. On the other hand, every window and door needs to undergo fitting if the sound testing is to be finished. In case of a party floor, it is important to undertake Sound Testing to figure out if Airborne and Impact Noise exist between flats. Just as mentioned before, there needs to be a fitting for every window and door which must work in order to complete Sound Testing.

 

 

Airborne Noises

To test airborne noise through sound insulation, it is vital to have a huge loud speaker. It is also efficient to use a dodecahedron speaker with the use of a white noise generator for creating a sound of origin. It acts as the source material and in most cases is done in the biggest of the two rooms which have to be tested.

Now, it is time to bring the sound level meter for taking noise calculation inside the source room. Of course, the calculation also happens in the receiver room which is exactly adjoining it. In addition, the tester should also measure the background noise levels. If the background noise is quite high then there is a good chance that the source noise needs to be set even higher. It becomes a case of the resulting noise level within the receiver room needing to be 10dB louder. It is all in comparison with the background noise at every calculated frequency.

Impact Sound Tests

In the case of undertaking an impact sound test, the tapping machine is put in place in the apartment above. The same can be achieved by placing it in the flat above. On the other hand, the noise level is calculated in the apartment below. The same test can be done in a flat in a room below the tapping machine. With every case, tests have to be run on the room. However, at first, it must be kept in mind that this room has to be liveable, for instance, a bedroom or living room. In addition, the rooms need to consist of a base volume of 25 m3 so that the sound testing is executed properly.

In the case of the sound test failing, the Building Control has to be informed. It will allow them a chance to give advises on the ways of proceeding. This has to be done for the tester to have a chance of working out reasons for the sound test failing. Moreover, it gives the tester enough opportunity to come with ways to deal with it professionally.

There are certain companies providing diagnostic services in case of a Sound Testing failure. The services include investigating into the place at which the unwanted noise is travelling through. In addition, the services comprise of the most plausible methods for reducing such issues. In most cases, it becomes very cheap to scrutinize whether a design complies with the building regulation. This has become a necessity before activity commences on building work.

Over the years, a lot of contractors as well as developer had to find out the hard way to deal with the Building Control Officer. It is specifically true when it comes to issuing the completion certificate. If there is no physical evidence of the sound insulation certificate then the Building Control Officer cannot and will not oblige.

There are instances of private individuals with one-off projects failing with a sound insulation test. As a matter of fact, there are also instances of regional house builders and national property builders failing the same way. To be precise, the failure with the sound insulation tests incurs a drastic loss for the budget and the program.

Nowadays, it is very crucial for some individuals to get that first-time pass. It is for such cases that certain companies like UKAS make the long journey for ensuring that the certificate is obtained. If a company has trained personnel on field for such situations then turning things around becomes easy. As a result, you will be able to obtain the sound insulation testing certificate in a very short time. When the sound insulation test engineer receives accreditation, he/she will be able to handle tricky scenarios. Everything depends on the design, because it enables the engineers to accomplish the Building Registration requirement in one try.

To conclude, although the proper way of sound insulation testing may seem difficult, there is a way around it. Basically, the best sound engineers should be able to provide quick verbal result from sound tests. In addition, they will hand over a written report on the next working day and the process will become simple.

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