What are Thermal Imaging Surveys? Thermographic Inspection Surveys or thermal inspection surveys is a type of photography which is based on infrared wavelengths, rather than visible wavelengths. Conventional photography relies…

Clients often ask us if they require a BS4142 noise survey if they are installing an air source heat pump on their project, our answer is usually a resounding yes!…

Clean room facilities such as pharmaceutical and Semiconductor and manufacturers are examples of environments that require demanding ongoing air monitoring and periodic certification.  An accurate air monitoring and testing system…

Throughout all cleanroom facilities, maintaining strict cleanliness and maintaining the highest standards is a monumental challenge. Everything, both inside and outside of the cleanroom, is a potential source of contamination.…

Impact Sound Testing  Impact sound testing is usually only undertaken to party floors. This test is different; a calibrated Norsonic ‘tapping machine’ which comprises of five ‘hammers’ driven up and…

What is Airborne Sound Testing? Airborne sound testing is undertaken to walls & floors. Firstly a controlled noise is generated by an amplifier and loudspeaker across a broad range of frequencies.…

Reduce Noise Complaints by Improving Floor Layouts Clients often contact us complaining of noise disturbance from adjoining properties. in many instances the noise problems could have been negated if careful…

Why Good Acoustic Design is Important The importance of good acoustic design and construction should never be under-estimated. If a project fails the sound insulation testing at the precompletion stage,…

Customers often ask how they can improve soundproofing on their developments. The first thing to understand is the basic of soundproofing design and construction. If you understand the basics, you’ll…

Sound insulation testing is a requirement of Approved Document E to assess the sound insulation performance of party walls and floors between dwellings. Sound testing is usually required once the…

Clients often ask us if they need to treat all the common parts within their block of flats to satisfy Requirement E3 (Reverberation in the common internal parts of buildings…

In all cases, the location and layout of rooms within dwellings will play an important role in relation to the levels of subsequent ambient or background noise that surrounds the…

Since Building Regulations Part E was introduced, we have literally undertaken thousands of sound insulation tests in London and the South East; and as such we have built up considerable…

Achieving good airborne and impact sound isolation requires careful acoustic design considerations. Two key areas that need to be addressed when improving a floor construction are the airborne aspect (TV…

Clean rooms need a lot of air and usually at a controlled temperature and humidity. This means that in most clean room facilities the Air Handling Units (AHU) consume over…

Here at APT Sound Testing we often get asked questions such as such as what is a cleanroom?  and what are the essential elements that one needs to know about…

All Cleanroom process environments must remain unfailingly clean, so merely filtering the factory’s air is inadequate. To minimise particle contamination it is important to build separate environments, called cleanrooms. These…

There are many different clean room testing certifications, all of which may occur in any of three different stages: As Built: A cleanroom certified “As-Built Facility” defines a cleanroom fully…

APT Sound Testing carries out cleanroom validation services for your facilities, in accordance with the Orange Guide and the current ISO standards. In the event of contamination it is important…

APT Sound Testing offer a wide range of testing services to meet the needs of our clients across all cleanroom industries from automotive to Nano Production. For every test we…

All fume cupboards should be maintained in line with manufactures recommendations and performance thresholds, including expected face velocity and containment values, recommended and confirmed by them at the time of…

Fume cupboards are some of most important pieces of equipment within cleanrooms. Undertaking periodic testing of fume cupboards LEV are essential when it comes to protecting your personnel from hazardous…

There are many potential hazards in clean rooms, so maintaining the health and safety and adhering to the high standards of a controlled cleanroom environment requires thorough training and routine…

Since the early invention of the assembly line, the automotive industry has made incredible strides in their manufacturing processes. Indeed, a wide range of attention is given to mass defects,…