What causes grout to change colour?

Lots and lots of things change the colour of grout - and the grout can end up with either a different colour altogether or an inconsistent colour which can undermine the aesthetic of your bathroom or kitchen. Most discolouration can be caused by age, mould, dirt and cleaning. Coloured grout is most susceptible to colour changes and inconsistency.

Poor installation of your tiles is another main cause

What mistakes can you avoid to ensure the colour-fastness of your grout?

  • Too much H2O in the grout mixture
  • Cleaning the grout too soon or with to much water after application
  • Not removing plastic spacers
  • Using part of one bag and part of another together (there can be slight differences in colour)
  • Grout that is used some time after the bag was opened (can have absorbed more water)
  • Adding extra water when the grout gets a little dry
  • Dirty sponges, water used in cleaning

As you can see, many of the causes of discoloured grout and inconsistently coloured grout are as a result of poor installation of your tiles. Make sure this doesn't happen by using only quality professionals to tile your bathroom or kitchen. Find them here or post a joband have them call you today.

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