Stone weathers in a variety of ways and adds to its appeal, but sometimes it is necessary to clean stone either for aesthetic reasons or because the material is not only unsightly but damaging to the stone itself. Certain materials such as alabaster are water soluble and need to be cleaned without the use of water. Chemical cleaning can cause decay mechanisms to speed up if not used by a professional. Poultice cleaning is a skilled action carried out by an experienced mason, as is the removal of paint from freestone. Cleaning a building or monument can enhance and conserve the stone work for the future. We have vast experience in both cleaning of buildings and historical monuments 1) Headstone and Ledger Before. 2) After. 3) Pollution builds up such as this carbon deposit dirt from road traffic. It actually eats away the stonework. Notice the decayed panel above the Bay Window. 4) Cleaned and Restored. Adding value to the property... a sound investment. 5) This splendid monument had to be moved and then rebuilt and cleaned. 6) Cleaning large alabaster canopy section.