Re: Stone flags in kitchen - how to treat? - revist.

Sep 01, 2003 1 Replies


Hi


>
>After a long period of being distracted by other things, like
>redecorating and doors, I'm now back onto the stone flags on the
>kitchen floor, and wondering what the dickens I'm going to do with them
>to smarten them up and make them generally more maintainable.
>
>The stone is like slate (Edinburgh New Town), and in slabs approx 30cm
>wide and varying in length from 45-90 cm.
>
>We think they are a wonderful kitchen floor surface, so made the effort
>to remove all sorts of lino, self-leveling compound and other miseries
>from the surface.
>
>In additon, the last time the stone was uncovered, painters didn't
>bother covering it up so there are rings from paint cans and paint
>splotches pretty much all over the place. On one section, I've
>successfully removed the paint with Nitromors but this has done such an
>excellent job that the thin patina of oil/grease/whatever that has
>built up over a long time has been stripped back to the (lovely) stone,
>leaving very noticable blotches.
>
>The stone surface is grey, darker in some areas than others mainly due
>to the amount of oil/covering, and varies in texture from relatively
>smooth to gritty (almost sandy) feel.
>
>What we would like to do is:
>
>1. Somehow treat it to give it a roughly similar appearance all over, >and ...
>
>2. Give it some sort of protection against spillages of anything from
>vinegar to bleach.
>
>Ideas include some sort of varnish (test patch looks good) and slate
>sealer (too light in appearance, leaves sandy feel to surface).
>
>If anybody has any suggestions/ideas regarding
>products/techniques/etc., we'd be really grateful to hear them!! >
>Many thanks
>
>Robin

Have a look on Google Groups for some of my previous postings.



If the surface has been prepared well, a good quality silicone slate sealer such as Lithofin

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will do an excellent job.



You can also use a colour enhancer to bring up the colours without creating an appalling looking gloss which is completely inappropriate to slate.


.andy



To email, substitute .nospam with .gl


Mmm.

Here are some SUGGESTIONS. Please test first.

(i) Paint and other slovent based stuff. Nitromors is a good start. Never mind the slate, if slate it is - precious little damages it. What you need its to strip it back top bare stone.

(ii) Next stage, treat with brick acid (hydrochloric) if there is any cement based stuff. Use a scourer, rubber gloves, a mask safety glasses and a lot of ventilation and try not to kneel in it. Or just be sensible and cerful and don't breathe the fumes. Rots the jeans first' knees the second. Finish with good mopping down. This will start to dissolve any grout, so be careful. You may need to regriout, byt save that for later.

(iii) Now de-grease an probably strip the patina of ages with hot caustic soda solution. See above for safety details.

With luck, and after a few washes, you will have some dull, but very clean looking slates.

You can now apply proprietary stome fisnishes - I recommmend Litho-Fin products, but only cos I have used em and they work (expensive tho) - and particularly the color enhancer stuff. Seems to be a sort of spirit varnish that soaks in.

You can use that as much as you like ,and top it off with water based acrylic sealers if you want.

If you need to regrout, do it at this stage, AFTER the tiles are sealed because it's a bitch to get off raw slate.

>

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