Testimonials

"UK Air Testing are a pleasure to work with. We have received a very organised and professional service from beginning to end. Everyone that we have dealt with has been very accommodating and helpful. We wouldn't hesitate in recommending them to others."
Vicky Turner, United House

"Excellent company, office always try to be accommodating, engineers excellent, helpful and user friendly on site."
Stuart, Grange Builders

"An impeccable and professional service from start to finish."
Tim Blythe, David Wilson Homes

"The booking procedure was quick and easy and the test was arranged within three days. The tester arrived punctually and carried out the test with the minimum of disruption. The test results were available the next day."
Ron Cardy, W.D Properties

"A good reliable service."
Andy Hill, Berkeley Homes Kent

"We have employed the services of UK Air Testing on a number of occasions and have found them professional, reliable and cost effective."
Rory McCormick, Durkan

"UK Air testing have provided a one stop shop for me for 5 years, very competitive and reliable service."
Allan Smith Associates

"The engineers at UK Air Testing always provide an efficient, reliable and professional service. I would have no hesitation in recommending their services. I know with confidence from the moment I book testing with them that I will receive a confirmed appointment date, and that the certification will be provided in a prompt manner."
Richard Musto

"We have used UK Air Testing on several projects recently and their response times are good, personnel, friendly and rates competitive. I would certainly use them again."
Julian Emery, Emerys of Bath

"We are pleased that we have found UK Air Testing, their engineers are friendly, punctual and efficient, they have given us some good advise on how we can improve our results and they are of course competitive."
John Shipp, ACCL

"I was very happy with the cost and level of service provided by UK Air Testing."
Andrew Temperton, Wild Boar Properties

“The UKSAPs team guided me through the water calculations for my property and advised me on how to achieve a pass”
Tara Gatt from Summerville Builder Ltd

 

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Sound Testing

sound

What is Sound Testing?

Sound Testing is a requirement to test the volume of sound measured in decibels through walls and ceilings of new structures. Tests must be carried about by a UKAS or ANC accredited body.

Why do we do Sound Testing?

Part E (2003) of the Building Regulations Approved Documents stipulates that sound insulation testing should take place in all residential developments that involve party elements (walls and/or floors). This applies to all new-build or converted residential developments in the UK, where a minimum sample of 10% of properties require sound insulation testing. The end result of sound testing is to provide the end resident with a better quality of living from reduced sound transfer through floors and walls.

The specific performance requirements for new builds and conversions are set within Approved Document E (2003 Edition) and are summarised in the following tables.

Purpose Built Dwellings Conversions
Airborne Sound Insulation(DnT,w + Ctr) > 45 dB
> 43 dB
Impact Sound Insulation
(L’nT,w) for floors only
< 62 dB
< 64 dB
Test Procedures

In order to have analysable results, two measurements are needed in order to correct the results for receiver room characteristics. These are the background noise of the receiver room and the reverberation time of the receiver room. As well as these characteristic data, the actual airborne or impact tests are undertaken.

Background Noise

The background noise in the receiver room is measured so that the sound insulation test results are corrected for external sound, such as traffic noise. The background noise is taken into account when calculating the sound insulation rating for the party element.

Reverberation Times

The reverberation time of receiver rooms is measured so that corrections can be applied to account for the characteristics and absorptiveness of the room. In each room, the reverberation time is calculated six times and an average is taken.

To measure the reverberation time, a speaker is used to generate white noise in such a way to create a diffuse field. The speaker is then instantaneously switched off, and the time taken for the noise in the room to drop by 60dB is measured. The average of the six measurements is applied to the calculations to determine the sound insulation performance.

Airborne Testing

In order to rate the airborne sound insulation of a party element, speakers are used to generate white noise, usually at levels of around 100 decibels, in the source room. Then, using a moving microphone technique, the average sound pressure level is measured. The same procedure is used to measure the average sound pressure level in the receiver room.

From these measurements, combined with the background and reverberation time measurements, the airborne sound insulation of the party element can be calculated.

Impact Testing

Impact tests require a tapping machine to create impact sound directly on the floor construction in the source room. Measurements are taken in the receiver room, in third octave bands from 100Hz to 3150Hz. The impact sound pressure level is calculated, giving the floor an impact sound insulation rating.

Measurements are taken with the tapping machine in at least four different position and at least six measurements are taken.

This gives six results which can be used along with the background noise and reverberation time of the source room, to calculate an impact sound insulation rating.

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