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Stained bricks problem


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Can anyone advise please on who would know about cleaning bricks that have been stained. They don’t look damaged but they have long streaks of white running down them of I don’t know what, maybe lime. Is it something a builder should know all about or someone more specialised? I obviously want to avoid approaching a cowboy who ends up taking the surface off with a wire brush on a drill.
Thanks.

 

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Edited by Deckie
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That looks like salt efflorescence. My guess is your gutter is leaking/overflowing and the rain water is washing salt out of the bricks.

 

Fix the leak and try using a stiff broom to remove the salt.  Some websites say washing the bricks with water or pressure washing can work. Others say it makes things worse.

 

Some info here..

https://prosoco.com/brick-efflorescence-removal-and-prevention-tips/

 

Personally I would avoid using chemicals as they can mark the brick work. Even scrubbing with a stiff brush can do that so try small areas first.

Edited by Temp
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Thanks but I was looking to get a specialist in to do it but I don’t know who to approach. Maybe a builder might know or claims he knows but could end up ruining them permanently which is what I want to avoid.

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