If these are present it may be best to leave it as is.
Cleaning old marble headstones.
How to clean marble headstones.
Most common gravestones are likely to be sandstone slate marble limestone or granite although there are many other possible options.
I talked to the technical folks at wet and forget.
Cleaning weak marble can result in further irreparable damage.
Soak the stone by spraying it down with a hose or dumping a bucket of clean water over the entire surface.
Soak the stone with water to saturate any growth that may be present.
Only marble that is in good condition should be cleaned.
Headstones can be very porous and can soak up the cleaning solution before it has a chance to work.
In knowing how to clean a marble headstone properly you adopt the gentlest least invasive practices to preserve the longevity of the stone.
When the product wet and forget became available in the usa i was skeptical about using it on old sandstone or marble markers.
I tried it on some old marble foot markers.
Regardless of what kind of stone you are cleaning the first rule is always to be as gentle as possible.
How to clean a marble headstone.
Clean a marble gravestone.
Pre wet the stone with clean water.
It is important that you know what type of stone you are dealing with.
Inspect the entire headstone for cracks wear and signs of damage.
I have been cleaning and restoring old grave markers for a number of years.
Steps to clean a marble headstone.
If there is growth remove using a wooden scraper.
Rinse and wipe the marble headstone once all of the debris has been removed by the soapy water mixture rinse the entire surface of the marble headstone thoroughly with clean water and a clean cloth.
Different types will require different cleaning methods.
Marble needs to be treated even more gently than granite.
This is the opposite of an all to common assumption that extreme measures given the contaminants should be used on exterior marble cleaning.