Does steam cleaning damage grout? When done with care, steam cleaning does not normally damage grout. In fact, steam cleaning may be milder alternative to other harsher methods of cleaning grout. How Steam Cleaning Works for Grout Steam cleaning does not use caustic chemicals to clean up muck, grime and debris from grout. Instead, it…

Vinegar indeed damages tiles including porcelain tiles. Just imagine if vinegar was not damaging for tiles.