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Black Slate Renovation?

Blacklab

By Blacklab
in All Things Clocks

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Lenj WRT Addict

Lenj

Posted
Posted

Hi All,

Here is something that I found on the Marblack that might be useful, I think it was from M&P.

Clockboys pdf is also very good. I was never keen on using the polyfiller to stick, I always used good quality plaster of paris.. Although NEVER use on dry slate that you have just renovated because once you put on a thin layer you don't have much time to sit and set, before the water is drawn out and it has stuck firm, you will never get it apart, I always wet and let the water soak in a few times on the slate first so that it gives a little more time to move and line up properly, don't worry about any that messes your slate it easily cleans off.

A NO NO is to never use apoxy resin, use that and make your clock worthless, no matter how hard you try to be careful it will ooze out and seal the pores of the slate and WILL show up badly when polished..

Len

 marblack1.pdf  

 

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  • 3 years later...
masonhamlin New Member

masonhamlin

Posted
Posted

First, may I apologise for posting on a rather old thread.  If anyone feels able to help with my problem, I would be most grateful.
I havde a number of black "marble" clocks with French movements, so their cases are probably Belgian Calcite.  Due to being kept in a damp room, they were attacked by mildew and peppered with white spots.  I have used "Cherry Blossom" black boot polish to remove much of the spotting, but it is still very noticeable.  "Kiwi" boot polish comes in two varieties - one is the "ordinary" type and the other "Parade Gloss".  When I last came across the latter, many years ago, I recall it having a strong smell of turpentine.  Would this "Parade Gloss" boot polish, if it is still available, be worthwhile?  The cases do not have significant white bloom, just the spotting caused by the mildew.
Any suggestions would be most welcome.

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watchweasol Distinguished Member

watchweasol

Posted
Posted

Hi  and welcome to the forum,     If the spots are well noticeable you will have to rub the cases down to remove them.  Mildew is a fungus therefore organic. You could try a propriety brand of mildew remover firstly having removed all the cover up material (boot black  etc) with white spirit. If that fails then rubbing down is the only other method.  attached document to help you.

5a663b9f0c202_MarbleCaseRestoration (1).pdf

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