Expert Interview

with David Haid

David Haid Experteninterview

David Haid

Since his degree (BA in Industrial Engineering), David Haid has been supervising and advising hundreds of branches with their daily and basic cleaning. Mostly he works with the retail industry across Germany, but industrial firms also make use of his wealth of experience to cut cleaning cost and improve cleaning performance.

His observations and site visits have significantly contributed to the further development of the cleaning concept of porcelain stoneware and natural stone flooring.

Mr. Haid, from your experience – what are the most common mistakes in daily cleaning?

With regard to each individual cleaning task there are three main sources of error. Firstly, it is common that an inappropriate cleaning product is used. Secondly, the cleaning machines are incorrectly or at least not optimally equipped, and thirdly the cleaning concept set by the cleaning staff is often not followed strictly.

How can these mistakes be avoided?

First of all, the object-specific cleaning task should be analysed and defined. Here the relevant general conditions on site play a significant role. This begins by establishing which type of flooring has been laid. For example, marble is cleaned differently than porcelain stoneware.

So does every type of floor require its own cleaning concept?

Yes, the cleaning concept has to be specially coordinated to each flooring. Furthermore, every object and its specific way of being use can also influence the cleaning concept. The ways different types of floors are used are just too diverse. However, crucial for success is thus the strict implementation and controlling of the concept that has been determined. Only in this way can both the saving potential and lasting, convincing cleaning results be achieved.

What constitutes a professionally implemented cleaning concept?

Success is only possible when three factors are combined: the cleaning product, the cleaning machine and the execution. Each of these three points must be optimised for the flooring, because the wrong cleaning product can damage the floor just as an incorrectly trained or negligent user can. We recommend a kind of “cleaning control”. This indeed seems to mean additional effort at first glance, but on closer consideration this can very quickly save time and costs.


When you consider that basic cleaning is very costly and, in the retail trade for example, can only be carried out outside of the opening hours with considerable staff and organisational costs, it is economically sensible to carry out this basic cleaning as infrequently as possible.

Wouldn’t that be at the expense of hygiene and cleanliness?

Not if you already succeed in gaining more effective cleaning results from daily cleaning. That is, if the daily cleaning is so effective, basic cleaning does not have to be carried out as often or even not at all.

You’re referring to the haid-tec® MelaminPlusPads?

MelaminPads are evidently capable of significantly increasing the intervals between basic cleaning or even making them superfluous. Where cleaning times are short, as in the retail industry, these special pads can facilitate a convincing deep clean thanks to their mechanical properties, as long as the correct cleaning product is used. The three factors mentioned previously; cleaning product, cleaning machine and execution are thus also necessary here.

But do higher mechanical cleaning performances not also entail lower product lifetimes, because such pads get worn out quickly?

For each pad made out of melamine foam, product lifetimes of around 10,000m2 are possible. Changing the pads only takes a short amount of time. After around one thousand inspections, I am not aware of a single case of the lifetime of these pads being criticised.


Mr. Haid, thank you for the conversation.


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