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Wondering what this is on the external brickwork
- Thread starter JustInTime2021
- Start date
Efflorescence is a crystalline deposit of salts often seen on brick, concrete, paving stones, stucco, or other building surfaces. It occurs when water leaves behind salt deposits on or in the masonry surface. It has a white or grey tint and can also appear as a powdery substance on floors or walls.
There is a leak from above running down the brickwork.
Andy
Andy
DIYnot Local
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