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Cleaning in schools Hygiene Compliance Cuts Risk of Infection

Regular cleaning in schools, particularly of floors, but also furniture and equipment, sanitary facilities, kitchens, sports halls and sports fields, and paths in outside areas, is not only necessary to maintain the appearance of the school, but also to meet hygiene regulations and ensure value retention. Schools are required to stipulate their internal hygiene compliance procedures in hygiene schedules in order to minimise the risk of infection.

While preventing the risk of infection is important, hygiene in general – such as floor cleaning – are also taken into account in the hygiene schedules. It is also necessary to keep outside areas looking neat and tidy, through regular sweeping for instance, and to prevent dirt from getting into the building as much as possible.

Professional, systematic cleaning and care contributes significantly to extending the life of floor coverings. It is also one of the most important tasks in building cleaning. This applies above all to the deep cleaning or stripping of resilient floor coverings for which there are two methods that differ in the use of machines and cleaning time.

One of the most common types of flooring in schools is linoleum – a resilient floor covering. Linoleum is a natural product consisting of the raw materials linseed oil, cork powder, wood flour and a jute substrate. This type of floor covering has only limited alkaline-resistance (application concentration pH 10).

Deep cleaning with a scrubber drier

The two working methods for deep cleaning or stripping involve the use of either a low-speed single-disc machine or a scrubber drier.

To begin with, the basic cleaning agent (such as the Allround Deep Cleaner RM 754 ASF, pH 10.5) is applied in straight sections with a small overlap. During the contact time, the prepared surface is cleaned several times crosswise with the scrubber drier. If required, more cleaning solution can be applied in order to prevent the agent from drying.

A very good stripping result is achieved through the strong and uniform contact pressure (up to 210 g/cm²) over the entire working width, high speed (1,100 rpm) and excellent floor contact (roller pads). Thanks to the consistent efficiency of the green roller pads as a result of the self-cleaning effect, the stripping process is significantly shorter.

Once the coating residue is completely dissolved, the next step is to vacuum the dirty water using the scrubber drier – section by section. This is also much faster than the conventional method using the wet and dry vacuum cleaner and also saves time.

The floor covering is subsequently rinsed again with clear water with the scrubber drier adding clear water using the one-step method. Additional mechanical processing using roller technology ensures that any detergent residue is optimally removed from the floor covering so that the risk of “powdering” of the new coating through the detergent residue is prevented. The floor must subsequently be allowed to dry.

The drying time for the natural product linoleum is minimum 12 hours, preferably 24 hours due to a risk of the new coating separating from the floor covering (powdering) where there is residual moisture. For this purpose, the Air Blower AB 20 can be used with sufficient ventilation. This halves the drying time.


The new coating can then be applied. The coating material must be selected to suit the floor covering. The coating material must be shaken well before use and then applied undiluted in “puddles” to the cleaned and dried floor covering.

The respective material must subsequently be distributed carefully and evenly using an “applicator” or wide mop. It is recommended to apply the product transversely to the light and spread it lengthways. This ensures that the product is applied evenly. Depending on the absorbency of the substrate and level of wear, it is recommended to apply the coating a second time.

Also, to be noted: older floor coverings have the tendency to absorb the first coating to a large extent. The first coating can be walked on carefully after about one hour in order to apply the second coating. The floor covering can be walked on after two to three hours. The coating is dry and fully resilient initially after 24 hours.

Maintenance cleaning

Maintenance cleaning can take place manually or using a machine with Wiper Care Extra RM 780 in a dosage of 0.5-3%, depending on the degree of soiling. For maintenance cleaning with a machine, which delivers a much higher area performance, a scrubber drier is required using the one-step method. It applies the wiper care to the floor covering, brushes it in and picks up the dirty water in a single pass. Floor coverings are immediately dry.

Cleaning in outside areas

Preventive cleaning is playing an increasingly important role. This concept starts with cleaning operations in outside areas: thoroughly sweeping or washing open spaces can significantly reduce the amount of dirt brought into the building. As well as the pavement and parts of the street directly in front of the entrance, other areas to consider are car parking areas, playgrounds and recreational areas. These are areas where lots of dirt collects that can be carried into corridors, stairwells and classrooms. The concept of preventative cleaning pays off very quickly. Keeping exterior surfaces clean is much quicker and requires less work than cleaning the rooms themselves thanks to the fact that sweepers and highpressure cleaners can be used.

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