what tiles do you seal and how

[lendini]

hi all wandering if you lot can tell me what types of tiles need sealing ie polished porcelain ,slate etc and the ways in which you guys go about it.are they sealed to stop staining.also do you use stain stop vfor the sealing and what do you use to clean tiles if you get marks on them when you have layed them before sealing and grouting i.e coffee,finger marks and adhesive.
can all these be cut with dry cutter and wet cutter.thank you so much in advance Lee

[wetdec]

Polished porcelain : as its actually a piece of clay fired and polished - can benefit from sealing as it has pores

Glazed porcelain : has a glaze applied to the surface to fix on the pattern : the glaze covers the pores so it can't absorb and shouldn't need sealing

Imitation stone porcelain : can be glazed or unglazed generally the rough stuff is unglazed : will benefit from sealing

Ceramic tiles : As we know them range from white to any colour and don't get polished as the biscuit is not hard enough : to fix the colour and or shine these tiles must be glazed : glazing closes the surface thus the tiles do not need sealing.

Quarry tiles : basically super baked clay like the old engineering bricks : generally don’t stain but mark and were given a coat of linseed to give them some protection and sheen : have seen cheap ones take grout colour and anyone selling sealer will try sell you a topical one : can or can't be



tiler

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[lendini]

thanks a lot cheers.would you reccomend lifofin stainstop to seal and your methods of sealing would be appreciated