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Achieve a first class finish
12 October 2015
Peter Daulby, technical services manager of Altro, provides a step-by-step guide to cleaning safety flooring
The perfect result when cleaning safety flooring does not rely on the magical properties of any specific product on the market. The key is to accurately identify the nature of the soiling and choose the most appropriate cleaning regime and equipment to tackle it. But how do you ensure you have hit on the right combination?
Step 1 – Understanding the soil
One cleaning regime for all safety flooring may seem the quickest option but, if the method is not the best match for the type of soil, it can take longer to get the desired result. Treating the site zone-by-zone according to soil type is a better solution, especially if there are wide variations. For example, safety flooring in kitchens (where greasy spills are a concern) will need a different approach to main entrances (where shoe-borne soiling predominates). To identify types of soil ask:
a) Is it organic or inorganic?
Organic soil is an ideal breeding ground for bacteria and will need disinfecting or steam cleaning.
Organic |
Inorganic |
Material that is alive: bacteria etc in food waste (in kitchens and canteens) or human waste such as skin or faeces (in bathrooms or hospitals). |
Materials that are not carbon-based such as glass, salt or brick dust. |
Material that is part of a living thing, such as food or sawdust. |
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Man-made materials (such as plastics or mineral oil) common in factories or construction sites. |
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b. Is it soluble or insoluble?
Soluble |
Insoluble |
Soil that will dissolve in water such as sugar, salt or detergent powder. |
Soil that won’t dissolve in water, such as oil and skin, that will need detergent to remove it. Other insoluble materials such as plastic fragments or wood shavings can be removed by first stage cleaning, by sweeping or vacuuming. |
c. If it is insoluble, is it greasy or particulate?
Different types of insoluble soil will demand different cleaning methods.
Insoluble and greasy |
Insoluble and particulate |
Soil which sticks to surfaces and smears when touched. Likely wherever there is food, but also carried on foot into other areas. |
Soil in powder form, such as sand, skin, washing powder and broken fibres. |
Insoluble greasy and particulate soil are typically found together as the powdery soil will stick to any grease it comes into contact with. In this category you may also encounter abrasive soil, which can scratch surfaces, and stubborn/tacky soil which sticks to the surface such as syrup, wax or glue. |
Step 2 – The right cleaning medium
Knowing the type of soil will help to identify the best detergent:
Alkaline: Detergents with PH above 9.5 (e.g. AltroClean 44). Suitable for greasy and organic soils but, their corrosiveness can damage paintwork, so thorough rinsing is important.
Acidic: PH less than 5. Good option for inorganic soils such as lime scale.
Neutral: PH of 7. Less aggressive with fewer chemicals, making them more user friendly, with less environmental impact. Effective on everyday contamination across a range of surfaces, but will not cope as well with heavy soiling, or greasy dirt and fats.
Combined disinfectant detergent/cleaning sanitiser: Reduce bacteria growth making them suitable for food or human waste.
Whatever the detergent, the dilution ratio is crucial. Unmeasured detergent use will give a disappointing finish and could waste money on cleaning chemicals. It can also leave a residue on the flooring which can undermine both its slip resistance and its aesthetic impact. A build-up of detergent residue on the surface of flooring can also attract contaminants and encourage bacteria growth.
Step 3 – The correct kit
Lastly, the surface profile of safety flooring differs significantly from the smooth surface of an ordinary vinyl floor. It incorporates surface aggregates which increase grip between foot/shoe and the floor, reducing the potential to slip. This means that some items of equipment and cleaning processes will prove more effective than others.
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