Use the wooden scraper to remove any algae or moss growth from the surface.
Cleaning old marble tombstones.
Use the same method you would use for a granite stone.
Never use household cleaners bleach metal tools scouring pads wire brushes power tools pressure washers or nyalox brushes.
Mix 1 tablespoon of the non ionic soap with 1 gallon of water.
Cleaning more frequently can weaken the marble.
4 litres of water if the cemetery doesn t have water you can use.
Use a gentle cleaner like ivory.
Marble headstones should only be cleaned if they are in decent condition.
Q tips for cleaning any inlays and engravings.
If too much cracking or damage decay is present attempting to clean it could cause further irreparable harm.
As with interior marble cleaning soak the cemetery headstone with water before adding a cleaner.
Once the headstone is clean buff the marble dry with a dry and clean cloth.
General grime nicotine build up and fingerprints can usually be cleaned from unpainted marble using white spirit or a mixture of deionised purified water with up to 2 non ionic detergent added.
Make and apply a poultice if steps 1 to 3 fail to remove the mold and mildew stains on the marble headstone make a poultice with cotton balls hydrogen peroxide and ammonia.
I love old weathered gravestones.
Leave no residue from the cleaning agent on the stone as it could cause permanent streaking.
Cleaning gravestones posted 09 09 14 in the headstone guide people often ask me about cleaning gravestones.
217 people used more information video for how to clean old tombstones.
2 clean rags or cloths for washing the headstone.
Repeat this process approximately every 18 months.
A newer product called wet and forget has not been thoroughly tested and this is not a product we can recommend.
Be sure to locate the cemetery s water source or bring sufficient water at least a bucket since it takes a lot of water to properly clean a marble headstone.
Acid or acidic cleaning agents especially on marble or limestone should only be used by those properly trained working on non calcareous stone household cleaners including soap detergents borax tsp anything you d use to clean your home any type of sealant.
Sandstone slate and marble gravestones will gradually deteriorate after cleaning so they should be thoroughly cleaned every 7 10 years and no more.
For stubborn areas an equal mixture of water and white spirit with up to 2 non ionic detergent added may be useful.
Soak the stone with water to saturate any growth that may be present.