Moisture Matters: Understanding Alkali Staining, Efflorescence, and Prevention in Masonry
Moisture within the wall Alkali Staining Alkali stain is a common issue in limestone, appearing as discoloration ranging from light golden to dark brown. This stain is caused by alkali-charged moisture seeping into the limestone from its bottom or back bed, often originating from nearby concrete floors, walls, or ground. Moisture sources include rainwater, concrete […]
