Please contact a conservator who specializes in building conservation. There are commercial firms that clean marble in building structures using several different methods, some harsher than others. A qualified conservator can advise on the best method to use for your particular building. A list of conservators and guideline for selecting conservators can be found at the American Institute for Conservation web site http://aic.stanford.edu . Click on the "selecting a conservator" button. You can find conservators by specialty area, and location, anywhere in the US.

And in light of the "hosing down David" discussion, please don't. Marble sculptures are not indestructible, and there are safe and unsafe ways to clean them. Contact a sculpture conservator for advice.

Richard L. Kerschner
Director of Preservation and Conservation
Shelburne Museum
PO Box 10
Shelburne, VT.  05482

Hi,

I am the Assistant Administrator for the Lowell Historic Board (architectural
review board) in Lowell, Massachusetts. A staff person from the Planning
Department of the city approached us about appropriate ways to clean marble.
(City Hall has a couple of large sections of marble incorporated into the
wall.) I told them I would contact the list and see if you all had any
experience/ideas for us. (Especially in light of the discussion I briefly saw
about cleaning David.)

Thanks in advance!
Jillian Adams

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