[Neil Jones]

Be careful to qualify discolouration from oxidised oils that have attached to the vinyl.


[/quote]

Ok, simple terms for me please?

[Kev Martin]

Neil

What jamie means is make sure on your test area that it is dirt you are pulling off and not making the covering bleed or lose colour because of the chemicals you are using.

Kev Martin
Marblelife Ltd
Tiling Logistics

[Neil Jones]

Thought as much, would always test anyway, as with carpet cleaning. I've emailed you Kevin.

[Jamie Pearson]

Even after intensive cleaning and removing all the soil from the floor the traffic lanes may still be visibly discoloured.

On certain types of safety floor raw vinyl is used without the application of a PU wear layer such as that found on Amtico or Karndean. Oils from cheaper hard surface cleaning products and general traffic bond to the vinyl, oxidise from exposure to air and cause yellowing of the floor that can't be removed.

As Kevin suggests resist the urge to keep scrubbing and scrubbing to the point that you start to cause physical damage to the floor.

You should always qualify potential discoloration so that you can get paid at the end of the shift if this is the outcome.

For on going maintenance chemspec Neutral Floor Cleaner is perfect. It has a dry residue so won't attract soil. It dilutes at 1:60 but 1:100 is just as effective. 4x5l costs just £40 so it's not only excite its also economical. If they need disinfectant properties Prochem Protect is worth considering.

[Neil Jones]

Cheers Jamie, I will recommend both the suggested products. These associations are often very sparing with money though, even though it is economical in the long run they are likely to baulk at the initial outlay and stick to £1 bottles of flash with measurements such as 'large gluggs' or 'a splash'.
 I will also have a walk around again before cleaning to look for signs of excessive wear or yellowing.

[Jamie Pearson]

The yellowing can often be well hidden only beingreveleadwithcleaning. Justbesuretomention it"in writing" before you start