Reducing the Spread of Infection
Through Exterior Building Sanitation

CIS are SWS Sanitised Certified to carry out exterior building cleaning and sanitation, including the use of sodium hypochlorite to help reduce the spread of infections including COVID-19, according to Centre for Disease Controls (CDC) and World Health Organisation (WHO) guidelines.

In response to SARS-CoV-2, also referred to as the COVID-19 virus, the Centre for Disease Controls (CDC) and World Health Organisation (WHO) have published technical guidance on infection prevention and control (IPC).

Reviews indicate that COVID-19 can survive on durable surfaces for up to 9 days, under certain conditions. However, effective de-activation of the virus can be achieved within 1 minute, using a sodium hypochlorite solution and the following recommended process.

Using our revolutionary soft washing equipment and water-based biodegradable chemicals we can:


Removal of visible debris, dirt and dust


Reduce bacterial contamination to safe levels


Removal of any remaining viruses and fungus. In the case of COVID-19, this process breaks apart the protective fat membrane surrounding the virus, de-activating it.

“CIS offers a unique combination of services that has covered our cladding wash down, gutter inspection and window cleaning to ensure the airport remains pristine and professional looking at all times”

Phil Walker Operation Director, Sasse (Bristol Airport)

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Our Promise

CIS will offer you one guarantee – we will provide you with the most friendly, professional and reliable external building clean service you could wish for – the results will truly astonish you and all from a local family run business with over 45 years experience.

Some of Our Clients



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