Chimney Efflorescence: What Those White Stains on Brick Actually Mean

Chimney efflorescence is a white, powdery deposit of mineral salts left behind when water moves through brick and evaporates at the surface. A Level 1 chimney inspection can confirm whether it’s cosmetic or a sign of active water intrusion. Left unaddressed, that same water can cause spalling brick and crumbling mortar over time. White, chalky […]