thermographic inspection to building

A Technical Explanation of a Thermal Imaging Survey

A Technical Explanation of a  Thermographic Imaging Survey Infrared Thermography is a type of photography which is based on infrared wavelengths, rather than visible wavelengths. Conventional photography relies on reflected […]

Posted on Apr 07, 2020

Thermographic surveys for BREEAM Compliance  

Thermographic surveys for BREEAM Compliance Thermographic building surveys, are now a feature of BREEAM – the world’s foremost environmental assessment method and rating system for buildings. BREEAM New Construction and […]

Posted on Apr 07, 2020


How Much Will a Thermal Imaging Survey Cost?

How Much Will a Thermal Imaging Survey Cost? This is one of the most popular questions that our customers ask us. You may want to have an infrared survey carried […]

Posted on Apr 06, 2020

thermal imaging camera undertaking a thermal survey to a commercial building

BREEAM Thermography Surveys in London

BREEAM Thermography Surveys in London Undertaking a thermographic survey can be one of the easiest and cost effective ways to generate BREEAM credits. Thermographic surveys are now a feature of […]

Posted on Apr 06, 2020


What are Thermal Imaging Surveys?

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 […]

Posted on Apr 06, 2020

Air source heat pump stood outside house

BS4142 Noise Survey’s for Air Source Heat Pumps

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! […]

Posted on Nov 18, 2018

UK Particle Testing Clean Rooms

Particulate Testing to Cleanrooms

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 […]

Posted on Sep 04, 2018

Close up of blue latex gloves being put on

The Four Reasons for Cleanroom Contamination

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. […]

Posted on Sep 04, 2018

Sound test Equipment

Impact Sound Testing

Impact sound testing is usually only undertaken to floors. This test is different; a calibrated Norsonic ‘tapping machine’ which comprises of five ‘hammers’ driven up and down by a cam […]

Posted on Aug 02, 2018

undertaking sound testing in London

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. The generated noise is […]

Posted on Aug 02, 2018

Unhappy man lying in bed covering ears with pillow

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 planning had been undertaken at the design […]

Posted on Jul 20, 2018

Hand holding ruler over plans

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, it may need costly remedial work […]

Posted on Jul 17, 2018

Coupled wall construction diagram thumbnail

The Four Elements to Good Sound Proofing

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 […]

Posted on Jul 16, 2018

Group of sound testing equipment

What is Sound Testing?

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 […]

Posted on Jul 12, 2018

Illustration of room showing reverberating sound

Reverberation Noise in Common Areas 

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 […]

Posted on May 15, 2018

Hand drawing room layout with pen

Improving Room Layouts Can Reduce Noise Disturbance 

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 […]

Posted on May 11, 2018

Finger pointing at paper diagram

Sound Flanking Pathways Identified During Sound Testing

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 […]

Posted on May 02, 2018

Discussing plans over a pie chart graph

Careful Acoustic Design Considerations

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 […]

Posted on Apr 30, 2018

Workers working inside of a cleanroom environment

Air Handling Systems for Clean Rooms

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 […]

Posted on Mar 19, 2018

Image of a cleanroom environment

Building a Robust Cleanroom

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 […]

Posted on Mar 19, 2018

Man in cleanroom testing environment wearing white hazmat suit

Testing Cleanroom Environments

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 […]

Posted on Mar 12, 2018

Man in blue hazad suit evaluating cleanroom

Evaluation and Certification of Cleanrooms

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 […]

Posted on Mar 07, 2018

Man in white hazad suit carrying out cleanroom testing

Our Cleanroom Validation Services

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 […]

Posted on Mar 02, 2018

Man stood in cleanroom testing environment wearing blue suit

Fume Cupboard Testing Methods

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 […]

Posted on Mar 01, 2018