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We specialize in assessing and reducing risks associated with contaminated properties that may be responsible for unresponsive or chronic inflammatory symptoms. By collaborating with you, we can, when requested, target specific triggers and contaminants linked to symptoms. Alternatively, we can provide details on the contamination found and offer support to assist in your diagnosis.

In addition to identifying triggers and causes, we provide professional guidance on risk reduction, helping you evaluate triage benefits and the most economical path forward, using our services or others.

Building Forensics partners with international laboratories, clinics, and specialized services, passing these benefits onto you through reduced fees and additional opportunities.

Recognized as the most established and qualified mould experts in the UK, we provide up-to-date information on international best practices. We also offer free training on contamination assessments and remediation.

We provide detailed training and information to assist you if requested

What is decontamination?

The term decontamination is generally used to describe the process of removing all substances present which can cause harm. Unfortunately, with water damage and mould, the contamination can include bacteria, chemicals mould spores, fragments mycotoxins and VOCS. In fact, there are over 30 specific contaminates likely to affect your health.(see our consensus document)

While some decontamination techniques would resolve all these issues, they can be at the top end of expensive protocols. Put simply, the higher the level of decontamination and evidence required, the more expensive it’s going to be.

The industry decontamination standard to medically sound requires fine particle cleaning of surfaces and air, is likely to cost five figures and almost certain to fail on its first clearance testing.

This contaminated wall was hidden and only exposed after our investigation

Risk reduction decontamination

From the forgoing it can be seen decontamination can be variable in terms of cost and end results. We provide the following extensive and some unique range of services designed to reduce exposure risks and hazards within your budget.

Why Air cleaning to reduce building related illness is imperative?

Contamination whether bacteria or mould which affect human health are found in three exposure forms, Parenteral (skin), ingestion (eating) or respiratory (breathing).While some ingestion and parenteral contamination is possible, inhaling contamination is far more likely and is possible the greatest risk. WHO state inhalation of mould spore fragments is perhaps 40 times more toxic because, and depending on particle size, can enter the blood stream through the lower respiratory system (alveoli). When people realise, they have been affected by mould they have rarely licked the mould or eaten it, leaving the 24/7 exposure risk of inhalation.It should be remembered opening up cavities or mould reservoirs can release billions of spores.Whatever form of surface cleaning is undertaken the air will still contain the inhalation risk of spores and fragments, VOCs, possible mycotoxins, hyphal fragments and of course bacteria.

What is Air Scrubbing?

This is a general term for cleaning air although there are several forms of “Air Scrubbing” which is the basis of risk reduction.

How sick you are?

This may mean we have to move from the lowest form of risk reduction to more complex multistage protocols.

What your budget is?

Cost is the determining factor in determining the most suitable action and will reflect the extent of works and services we provide, and this will of course reflect outcome.

If you have MCS (Multiple Chemical Sensitivity)

You are in a health position that may or may not be affected by our or indeed any form of works. We will only undertake works following full disclosure and at your risk.

Mould Decontamination (risk reduction)

This is a misnomer as mould is also associated with bacteria of differing types together with chemicals too. The environmental conditions required for mould growth sees bacteria growing first and these compete and act synergistically to affect health together with VOCs and chemicals such as Mycotoxins. These contaminates affect the air we breathe, surfaces and contents too. The following headings show how we resolve these issues.

1. Mechanical

This is normally provided by mechanical fans fitted with HEPA filters which trap the airborne contamination. The HSE have published a research paper which shows why this equipment has major shortfalls because all particles have different buoyancy and float at differing levels. Obviously if a collection device is located on the floor, it can’t capture particles floating higher above it, usually in the breathing zone .The HSE provide a detailed explanation of failures from Negative Pressure HEPA filer machines in their report RR988 http://www.hse.gov.uk/research/rrhtm/rr988.htmIn this paper the research found microscopic fragments float and remain airborne despite mechanical air cleaners operating, with fragments remaining in layers above the capture zone.

1. Mechanical

This is normally provided by mechanical fans fitted with HEPA filters which trap the airborne contamination. The HSE have published a research paper which shows why this equipment has major shortfalls because all particles have different buoyancy and float at differing levels. Obviously if a collection device is located on the floor, it can’t capture particles floating higher above it, usually in the breathing zone .The HSE provide a detailed explanation of failures from Negative Pressure HEPA filer machines in their report RR988 http://www.hse.gov.uk/research/rrhtm/rr988.htmIn this paper the research found microscopic fragments float and remain airborne despite mechanical air cleaners operating, with fragments remaining in layers above the capture zone.

2. Chemical neutralising

In this airborne chemical and biological contamination can be neutralised and de natured dramatically reducing inhalation risks. The chemical is atomised to submicron size where it penetrates or drill into mould particles to oxidise it. Very successful in badly contaminated properties and the chemical composition was developed by US military for WMD decontamination. All safety and efficacy data is available. In this process the empty property is sprayed with an aerosolisation of up to 400,000 microdroplets per cubic meter. A solution of Hydrogen Peroxide is electrostatically charged to drill into spores and fragments both oxidising and de naturing component parts. The property must remain unoccupied for 4 hours after treatment.Information on the product.

3. Chemical Bio Static

We use this protocol in homes that have been remediated and or, have limited health hazard presence from mould and or bacteria . The product manufactured by one of the world’s largest chemical suppliers is Hypoallergenic. Used by leading sports clothing manufacturers to prevent odour in garments and shoes it provides long lasting mechanical defence on surfaces after its major sanitation action by electrostatic actionThe chemical is electrostatically attracted to airborne particles and walls where it remains providing non chemical bio defenceSuccessfully tested against most known moulds and bacteria and all safety and efficacy data is availableThe property must remain unoccupied for 3 hours after treatment.
The defensive invisible film can last up to 2 years although laboratory confirmation only states 90 days.
  • Aspergillus niger
  • Mucor sp.
  • Aspergillus fumigatus
  • Tricophyton mentagrophytes
  • Aspergillus versicolor
  • Tricophyton interdigitalie
  • Aspergillus flavus
  • Trichoderma flavus
  • Aspergillus terreus
  • Chaetomium globusum
  • Penicillium chrysogenum
  • Rhizopus nigricans
  • Candida albicans
  • Penicillium variabile
  • Penicillium albicans
  • Cladosporium herbarum
  • Penicillium citrinum
  • Aureobasidium pullulans
  • Penicillium elegans
  • Fusarium nigrum
  • Penicillium funiculosum
  • Fusarium solani
  • Penicillium humicola
  • Gliocladium roseum
  • Penicillium notatum
  • Stachybotrys atra
  • Algae
  • Yeast
  • Saccharomyces cerevisiae

4. Electrostatic

In this protocol we install Plasma generators which can reduce airborne biological contamination by up to 99.99%. The process can take several days/weeks depending on the size of the problem and some may react to electrostatic by products such as minimal ozone release. All efficacy and safety data is available.

5. Medically Sound air scrub

Firstly, I must emphasise “medically sound decontamination” is an industry coined phrase in the USA and it refers to fine particle cleaning which is required when treating CIRS patients.It is a practical solution of removing (NOT killing) mould spores, and hyphal fragments, all of which can cause CIRS and inflammatory response.Spores and fragments can float in the air for hours to weeks depending on size influenced by electromechanical forces such as Brownian motion. While heavier, less aerodynamic spores may settle out quickly, smaller fragments < 7 micron may remain airborne for weeks and re aerosolise by the smallest of movements such as opening a door or walking around. Chemical air scrubbing has been proven to be much more effective than mechanical air cleaning typically through HEPA air filters.

Chemical air cleaning No Access to property for 4 hours post treatment.

he Airscrub process by Building Forensics is a chemical process which causes particulates to fall from the air. Sodium Borate based chemical is fogged into the air at a size of droplet that will encompass target particles and cause them to coagulate. A second chemical is fogged into the air and this causes the particles to flocculate or precipitate, basically fall out of the air due to their additional size and weight.

This produces a sacrificial glycerine film on horizontal surfaces which locks the contamination onto surfaces, decaying after 3-4 days. This delay provides the client a period to remove the sacrificial film and with it the settled contamination.

The client role in decontamination

Most clients have medical issues with mould, but we encourage them to take part in the Airscrub process because they are more likely to complete an effective clean up after the Airscrub process has been misted. Because the process is simply removing a dry film by wiping wearing gloves this is not considered a high-risk factor. Of course, you can hire people to clean up but you may need to monitor them. Moisture sensitive contents (TVs -paintings etc ) should be covered or removed. The sacrificial film which will decay after 3 or 4 days. If the film is not removed within this window, the fallen spores and detritus may re aerosolise and it is imperative thorough cleaning is undertaken to prevent re contamination.

Building Forensics only undertake the misting of the Airscrub air cleaning product but do not undertake the cleaning and removal of fallen detritus (spores) as this is labour intensive.

Protection (polythene) may be laid by the client prior to the air scrub process, and this will reduce clean up time as it can simply be rolled up and disposed. It should be noted any contamination under the sheeting will not be removed or treated within the process but remember this is an air cleaning process.

We recommend wiping down with cheap SWIFFER cloths turning to open and fold the multi fold disposable swabs. This prevents cross contamination or spreading contaminates.

Swiffer cloths are available online and in major stores and are low-cost disposable paper wipes.

The cleaning must be meticulous with every square inch being cleaned. This may require dedicated or professional cleaners used to cleaning areas with monitored results.

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Failure in treatments of Inflammatory Response (CIRS)

Paper 1110 – September 2024 Written by Jeff Charlton

Chronic health conditions like CIRS (Chronic Inflammatory Response Syndrome) can be challenging to treat—especially when the root cause remains unidentified. This paper explores why treatments may fail, highlighting the critical role of environmental factors, particularly mycotoxin exposure from mould and bacteria.

Many treatment-resistant cases may be linked to undiagnosed environmental triggers that perpetuate inflammation and compromise immune, neurological, and detox pathways.

Could Your Child’s Environment Be Affecting Their Behaviour?

Paper 1102 – September 2024 Written by Jeff Charlton

Sudden OCD, tics, or behavioural changes in children may be linked to autoimmune conditions like PANS/PANDAS—often triggered by infections or environmental stressors such as mould or bacteria.

Building Forensics identifies often hidden and invisible environmental triggers, including mould, bacteria, and toxins that may worsen or trigger immune-related conditions. Our detailed assessments go beyond basic testing, helping families and healthcare professionals reduce risks and support recovery.

Cancer and Possible Links to Mould and Biological Triggers

Rev 2 – October 2024 Written by Jeff Charlton Building Forensics

This paper explores peer-reviewed evidence suggesting links between cancer and biological hazards, particularly toxigenic moulds often found in indoor environments. Moulds can produce harmful chemicals that disrupt the endocrine and central nervous systems and may increase the risk of certain cancers.

Although most studies focus on ingesting contaminated food, many biological and chemical contaminants can be inhaled or passed through the skin.

Mould and Inflammatory Response Linked to Alzheimer’s and ALS

Paper 101 – September 2024 Written by Jeff Charlton

Growing evidence suggests that mould exposure and its byproducts, such as mycotoxins, may contribute to neurological conditions like motor neuron disease (MND), including ALS, and possibly Alzheimer’s. These toxins can trigger inflammation, oxidative stress, and immune system disruption—factors linked to neurodegeneration.

While research is ongoing, some case studies and reviews highlight potential links between chronic mould exposure in water-damaged environments and neurological decline. Assessing possible triggers in your home as early as possible may be imperative.

Mould and Inflammatory Response Linked to Alzheimer’s and ALS

Paper 101 – September 2024 Written by Jeff Charlton

Growing evidence suggests that mould exposure and its byproducts, such as mycotoxins, may contribute to neurological conditions like motor neuron disease (MND), including ALS, and possibly Alzheimer’s. These toxins can trigger inflammation, oxidative stress, and immune system disruption—factors linked to neurodegeneration.

While research is ongoing, some case studies and reviews highlight potential links between chronic mould exposure in water-damaged environments and neurological decline. Assessing possible triggers in your home as early as possible may be imperative.