Cast Stone Product's Weathering and its Cleaning
Like natural stone, cast stone products will weather over time. Factors influencing this include climate, location and architectural detailing. There is a possibility that efflorescence may occur, causing temporary lightening of colour.
What is lime bloom / efflorescence?
This is a temporary natural phenomenon that can occur to a varying extent on all forms of concrete.
What methods can be used to clean cast stone?
The main methods used are water washing, mechanical cleaning and/or air abrasives.