Outline the reasons why lime staining appears on masonry wal

Outline the reasons why lime staining appears on masonry walls and the measures that can be taken to remove it.

Solution

The lime staining is free lime, generally from mortar, which has been washed from the mortar joints on the brick face.Lime staining is the calcium carbonate deposit through the reaction to the atmosphere on the face of the masonry. The lime staining can be distinguished from the flat top to the staining stemming from the joint or, alternatively, from the cross joint, clearly associated with the horizontal or vertical joints.

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The lime is normally removed from the proprietary acid brick cleaner. Unlike the speed of efflorescence is vital and if calcium carbonate is allowed to solidify again in the limestone, only specialists will be able to remove it.