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Effloressence

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JoeyB | 14:41 Tue 10th Mar 2009 | Property
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Why does it keep returning .It is inside my porch on original house wall which had a dampcourse injected 4 years ago.It was there before that.I keep wiping it off .
It onle affects one or two smooth facing bricks and a bit of mortar.
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It comes from the salts within either the brick of the lime in the mortar. It will eventually stop if you keep removing it but oftern takes several years. It isn't a problem, other than visually.

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Effloressence

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