Three Simple Steps 3
Improving Washroom
Standards Washrooms require particularly careful cleaning to maintain hygiene, health, comfort and image. Because of the often warm and damp nature of these areas, bacteria can grow quickly and easily, and cleaning must therefore address visible and non-visible dirt. As a result, aggressive cleaning agents which can damage surface materials often have to be used.
The fi ne stone tile is now a preferred building material in toilets, changing rooms and shower areas, since it has a microporous structure which gives it outstanding slip resistance. In addition, it is especially acid and alkali-resistant, and is available in almost any colour and surface structure (sanded, polished, matt, structured or natural).
However, as a result of its porous nature, fi ne stone has the capacity to hold dirt, which is then diffi cult to remove again. For this reason, fi ne stone tile fl oors in washroom areas often have a polymer coating to reduce soiling. The following cleaning method is suitable for coated or uncoated fl oors. If the coating is to be removed, just make sure to use a highly active stripping agent (pH 13) instead of the detergents mentioned...
36 | WASHROOM HYGIENE
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How to clean fi ne stone fl oor tiles:
A highly alkaline special cleaner (such as Kärcher’s RM 776) should be applied
pure and thinly with a spray bottle, section by section, and left to soak for around fi ve minutes.
After this, the surface should be scrubbed thoroughly with a Kärcher scrubber drier, featuring
roller cleaning head technology. Most Kärcher scrubber driers feature interchangeable cleaning heads, but Kärcher’s roller scrubbers also have another advantage: their unique microfi ber material can get right into the microporous surface of fi ne stone tiles to provide a superb, deep clean. Unlike microfi ber disc pads, microfi ber rollers self-clean thanks to their high rotation speed, preventing clogging and increasing productivity.
This scrubbing step should be carried out using a deep fl oor cleaner like Kärcher’s RM 752 (alkaline) or RM 751 (acid), following the dosage guidelines on the container. A deeper clean can be achieved by scrubbing the fl oor with the vacuum turned off, giving the detergent greater contact time with the fl oor, and more water to scrub with. Once the fl oor has been scrubbed, turn the vacuum back on to remove all of the cleaning solution from the fl oor.
After the deep cleaning, the surface is cleaned again with clear water (with the vacuum
turned on), in order to wash off and take in any cleaning agent residue. The fl oor will return to its original form, meaning any coating has been removed, and the natural slip resistance of the tiles returns. The only difference here is that instead of a stripping agent, a basic fl oor cleaner is used. It is essential to take care when emptying the scrubber drier tank, to ensure no detergent is spilt or splashed. Kärcher machines feature easy emptying systems - separate, easy to carry tanks on smaller models and drain hoses on larger machines. Several models now feature a built-in tank rinsing system, to ensure the dirty water tank is clean and free of bacteria after every use.
Due to the ‘self-cleaning’ nature of microfi ber rollers, and the rinsing of the fl oor in step three, the rollers should not need to be maintained after every clean. Follow these steps and you’ll be on your way to cutting costs while keeping your washroom clean.
www.karcher.co.uk
Kärcher describe how washroom floors can be cleaned effectively and safely when using the right tools for the job.
www.tomorrowscleaning.com
WASHROOM HYGIENE | 36
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