Chinas Moon White Onyx is a type of marble with a distinct white and gray pattern. While it is generally suitable for exterior applications, its use in very humid climates may present some challenges.
Marble, including onyx, is a porous material, which means it absorbs water and is prone to staining and weathering. In very humid climates, where moisture levels are high, the risk of water absorption becomes greater. The excess moisture can potentially cause the stone to discolor, become slippery, or develop surface damages over time.
To mitigate these issues, it is crucial to properly seal and maintain the China Moon White Onyx when used in exterior applications in very humid climates. Applying a high-quality impregnating sealer is recommended to protect the stone from moisture absorption and staining. Regularly cleaning and resealing the surface as per the manufacturers instructions is also essential to maintain its appearance and performance.
Another consideration in humid climates is the potential growth of mold, mildew, and algae on the stones surface. Regular cleaning with appropriate mildewcide or fungicide products can help prevent these growths.
Ultimately, while China Moon White Onyx can be used in exterior applications in very humid climates, proper sealing and maintenance are crucial to ensure its longevity and performance. It is advisable to consult with a professional stonemason or supplier to get specific recommendations based on the local climate conditions.