Natural stone is a proven, durable material that is available in a huge variety of options. Though it requires a minimal amount of care, it is not impervious to harm from stains, chemicals, and the like.

Sealing natural stone can help to preserve its beauty, according to Werner Nierhoff, owner of RMS Natural Stone and Ceramics. Like manufactured products such as ceramic tile, characteristics of natural stone can vary greatly. Harder, darker stone is generally less vulnerable to staining than softer, lighter stone. “Light stones, particularly…