Coronavirus Disinfection – Frequently Asked Questions for Homeowners

Which products do you use to sanitize our home to eliminate COVID-19?
We use a highly effective and specialist product called Steri-7; a government approved certified anti-viral disinfectant. It has been proven to keep rooms and areas in commercial properties, care homes, nurseries, hospitals and homes sterilised for up to 7 days. Applying Steri-7 XTRA using our specialist Ultra Low Volume mist machines means the minimum of disruption to you and the occupants of your home. It will treat large or small areas in your  home including hard to reach or disinfect areas such as carpets, keyboards and screens, ceilings or walls in a short space of time’ coating every inch of the space with a fine invisible mist that kills viruses on contact and tested to kill 99.999% within 5 minutes.  The Steri-7 when applied by our specialist ULV and spraying equipment kills up to 99.9999% of harmful pathogens including COVID-19, Norovirus, Swine Flu, HIV, Hepatitis C, E. coli, Salmonella, Legionella and many more. This gives householders total Biosecurity and complete peace of mind.
How does it work?
The process works by filling a room with a fine mist comprising 10-micron particles. As the particles settle onto all surfaces including the ones not usually touched as part of conventional cleaning or even deep cleaning (think walls, electric switches, carpets, soft furnishings, deep inside keyboards coving, ceilings, light pendants, undersides of  worktops, desks, chairs and shelves etc) as well as all the surfaces that you would normally disinfect, Steri-7 kicks into action killing bacteria, spores and viruses fast.
How does this differ from deep cleaning?
Deep cleaning is not to be confused with infection control. Deep cleaning revolves around a visibly clean environment. Infection control cleaning is a different approach altogether because it removes, kills and prevents the things we can’t see. Bacteria and viruses live among us in their billions. They are unseen and unnoticed until they enter our bodies and make us unwell. As we are witnessing with the current global pandemic – because it is so easy to transmit from human to human via direct and indirect contact – COVID-19 is affecting millions of people worldwide and by association it is entering our homes even on peoples’ shoes. Deep cleaning will not kill all the virus in our workplaces, businesses and homes.

The Steri-7 Bio-misting method with its broad-spectrum germicide is used by our technicians to safely disinfect any room or area, killing any harmful pathogenic organisms on surfaces up to 99.9999%. Our service applies    Steri-7’s BREAK, TREAT, PREVENT principles, ideal to achieve full Biosecurity. It is not possible to accomplish this from deep cleaning alone.

Unlike wiping with a cloth, with ULV bio-misting and spraying every surface in a room is evenly covered, disinfected and protected. The mist coats the undersides of furniture, fabrics and carpets, walls, doors, ceilings, skirting boards and all the nooks and crannies that would usually escape a deep clean. All touch points in the workplace or home and the high traffic areas are coated evenly with the disinfectant mist.

What is Reactive Barrier Technology and how does it work?
Reactive Barrier Technology is a specialised micro emulsion which provides an optional sustained release system – this means that the Reactive Barrier can be turned on or offer depending on the situation. It’s simple, if you rinse Steri-7 Xtra after our technician has applied it you will remove the barrier. If you leave Steri-7 Xtra to dry you enable the Reactive Barrier Technology. This gives you added Biosecurity and protection between cleans.
Is ULV misting of harmful to health?
Most of us already use disinfectant to clean surfaces in in our home. Food preparation on freshly disinfected surfaces is much safer than undisinfected surfaces and likewise our floors and bathrooms.  The misting and spraying we undertake is a safe and proven way of infection control that will protect you, the people you live with and your pets. Because of this we advise that you do not wipe surfaces after disinfecting because this will remove some of the protection. The Steri-7 disinfectant we use is food safe, used in commercial food production, in care homes, nurseries, hospitals and offices. And the process our technicians follow is the same irrespective of the environment. The chemicals we use are the same as those used in domestic disinfectants. The specialist micro-encapsulated long-lasting form we use is what extends the protection throughout your home as opposed to just the areas you usually disinfect. Most people use disinfectant to make work and food surfaces safe for example and do not then wipe it away before preparing food or using a desk. This product is no different.
Do I have to leave our home whilst your technician is applying the treatment?
Yes. All members of your household and your pets must vacate the property for 1 hour as a precaution while the disinfectant is airborne.
We have people in our home with asthma/underlying health conditions. Will this affect them?
The disinfectant is extremely safe and undetectable once dry with no risk to respiratory conditions or other health conditions. However, if you have any concerns please talk to us as there are other ways of us carrying out this disinfection and protection. If you have any doubts please speak to your doctor. The disinfectant is non-toxic, government approved and 100% safe. The fact that it is used in hospitals to combat COVID-19 and other viruses should be reassuring.
We have elderly people living with us. Will this have a negative impact on them?
As mentioned earlier, they will have to leave your home for one hour, but they will be much better protected after the treatment.
Do I have to store electrical items and remove smoke alarms?
Electrical items are safe and can be kept in situ. Smoke alarms may on occasion go off but will not be damaged. Smoke detectors linked to fire alarms or sprinkler systems in offices for example should be turned off as a precaution against any false alarms.
Can I leave out clothes and my laptop?
Yes. And the treatment is especially effective for dirty keyboards.
Do I have to store ornaments and books away?
No. But if you do have a concern let us know and we will take steps to avoid the item or cover it up. The disinfectant is colorless, odorless and invisible once dry.
Does everything get wet?
The treatment is comparable to a mist blowing through your home. Surfaces are wet but because the coating is microscopically thin it dries very quickly (within minutes). It kills COVID-19 on contact. Disinfectants need moisture to be effective so the mist is a huge advantage when compared to wiping disinfectant onto a surface with a cloth because the latter dries much faster and may not kill all the virus. Wiping surfaces with a disinfectant cloth will often miss areas of a work surface. Our misting and spraying are much more efficient and gives 100% coverage including nooks and crannies and surfaces that cannot be wiped with disinfectant. The micro droplets produced by the machines our technicians use will reach difficult to access areas and will rapidly eradicate the viruses upon contact thereby minimising the risk of contamination. Applied in this way you and your loved ones are safeguarded.
How safe is it to let your technician into my home?
We care passionately about our staff’s safety and we know how important the service is that they are providing to households at this difficult time. The technician visiting you will be fully enclosed in PPE. This includes gloves, overalls, a full-face mask with a respirator that covers eyes as well as mouth and nose (far superior to those used in the NHS because it has been designed to protect against all pathogens and the insecticides and gases used in pest control). Essentially the technician is in a protective bubble. There is more risk from taking deliveries at your door and visiting the supermarket than allowing our technician in your home.  Your technician will of course naturally be fully coated with disinfectant when applying the mist treatment. Pest controllers are key workers and still working in homes and businesses all over the UK protecting people from disease carrying pests such as rats and mice etc. We follow all applicable rules and guidance from the UK government and agencies such as the Health and Safety Executive (HSE)at all times.
How quickly can you respond to our call?
We are offering a 24/7 service for homes and businesses in the Greater London area. We can confirm an appointment to attend your home immediately upon acceptance of our quotation.


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Whilst we have tried to make this document as comprehensive as possible, we understand that you may still have unanswered questions. Please call or email with your questions for a prompt response.