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FAQ – Do I Need To Seal My Porcelain Tiles?

The answer to this is not so simple. The key factor is the type of porcelain used. Porcelain tiles have changed a lot over time and today there are a variety of differing standards associated with them. The first generation of porcelain tiles were actually so dense that sealing was not required at any stage. However, today, not all porcelain tiles in the marketplace are so impervious to water and other liquids.So, what do you do? Well, you need to do a simple water test on your tiles. Add a few drops to the tiles and if they appear to absorb water then we would recommend that you seal them. There are many different products around that can do the job but one of the best is Sealer’s Choice 15 Gold Penetrating Sealer. You can’t really go wrong with this product.

Copyright Ian Taylor and The Tile and Stone, 2013. See copyright notice above.

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  1. Elaine | May 9, 2012 | Reply

    can you help? We have Outdoor Non Slip Tiles on our outdoor area, I do not know why but they are extremley hard to clean EVERYTHING seems to just catch oon them and anything spilt etc just sucks in and sits. Can you Please advise me what i can do to rectify this problem before i cover them with Lino or something!!
    Thanks Elaine

  2. Ian Taylor | May 11, 2012 | Reply

    Hi Elaine,

    I just answered a similar question to Paul in the UK : the two things are inexorably linked; what grips people grips dirt. The better the ‘anti-slip’ characterisitics of the tile, the more effort needed to clean them”.

    Usually you need to adopt a slightly different cleaning regime:

    Sweep or vaccum loose dirt
    Use a deck brush with long enough bristles to get into the texture frequently
    Use a high alkaline cleaner , inconjunction with a deck brush more regularly than you would for a smooth floor.

    As you appear to be in Aus, try contacting my friend A’nge at – he can advise you in real time

    Hope this helps


  3. roseline | Aug 15, 2012 | Reply

    Hi please help,
    my porceline tiles leaves water marks when cleaning them the shine is not even when clean,
    realy realy a newsence to keep clean,does it need a sealer will this help desperate need of helt just tiled out 108m2 out and feel like taking it out

  4. Ian Taylor | Aug 20, 2012 | Reply

    Hi Roseline,

    there could be a number of reasons for an uneven shine, most of which I have posted about here on the blog. But it could be simply water marks due tot he water, not the tile.

    Porcelain tiles are like glass, especially the polished ones. If you were to wash some glass (windows, car windows etc) with soap and water, you would probably use something to buff them dry afterwards, other wise you get streaks (due to detergent residue or other natural impurities in the water). Most people seem to understand this but do not realize that a porcelain floor is just the same.

    So next time you clean, try buffing the floor dry with a towel or something – see if that makes a difference. If not come back to me and we can look at other potential issues.

    Hope this helps


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