Complete Guide to Removing Efflorescence From Brick Walls
White, powdery marks on brickwork are often efflorescence : soluble salts left on the surface when moisture evaporates. These deposits are common on new and established masonry, including homes, retaining walls and garden walls across Canberra, ACT. Removing them usually starts with gentle cleaning, but preventing their return requires identifying where the moisture comes from. What Causes Efflorescence on Brick Walls? Water dissolves salts within bricks, mortar, so